/* Auto-suggest control
 *
 * (c) 2007-2009 Dmitriy Khudorozhkov (dmitrykhudorozhkov@yahoo.com)
 *
 * Latest version download and documentation:
 * http://www.codeproject.com/KB/scripting/AutoSuggestControl.aspx
 *
 * Based on "Auto-complete Control" by zichun:
 * http://www.codeproject.com/KB/scripting/jsactb.aspx
 *
 * This software is provided "as-is", without any express or implied warranty.
 * In no event will the author be held liable for any damages arising from the
 * use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source distribution.
 */ 
function ChuyenTVKhongDau(strVietNamese)  
{  
	if(!strVietNamese) return '';
	/*processing Vietnamese*/
	var FindText="áàảãạâấầẩẫậăắằẳẵặđéèẻẽẹêếềểễệíìỉĩịóòỏõọôốồổỗộơớờởỡợúùủũụưứừửữựýỳỷỹỵÁÀẢÃẠÂẤẦẨẪẬĂẮẰẲẴẶĐÉÈẺẼẸÊẾỀỂỄỆÍÌỈĨỊÓÒỎÕỌÔỐỒỔỖỘƠỚỜỞỠỢÚÙỦŨỤƯỨỪỬỮỰÝỲỶỸỴqwertyuiopasdfghjklzxcvbnm1234567890QWERTYUIOPASDFGHJKLZXCVBNM";  
	var ReplText="aaaaaaaaaaaaaaaaadeeeeeeeeeeeiiiiiooooooooooooooooouuuuuuuuuuuyyyyyAAAAAAAAAAAAAAAAADEEEEEEEEEEEIIIIIOOOOOOOOOOOOOOOOOUUUUUUUUUUUYYYYYqwertyuiopasdfghjklzxcvbnm1234567890QWERTYUIOPASDFGHJKLZXCVBNM";  
	var index=-1;  

	var tmp = strVietNamese.split("");

	var length = tmp.length;
	for(var i=0;i<length;i++){
		if(i>=tmp.length) break;
		index=FindText.indexOf(tmp[i]);
		if(index>=0){
			tmp[i]=ReplText.substr(index,1);}
		else{
			tmp[i]=" ";}
	}
    return tmp.join("");  
}

var autosuggest_url = ""; // Global link to the server-side script, that gives you the suggestion list.
			  // Used for controls that do not define their own server script urls.

function autosuggest(id, array, url, onSelect)
{
	// "Public" variables:

	this.time_out      = 0;		// autocomplete timeout, in milliseconds (0: autocomplete never times out)
	this.response_time = 0;	// time, in milliseconds, between the last char typed and the actual query
	this.entry_limit   = 10;	// number of entries autocomplete will show at a time (only if not in scroll mode)

	this.limit_start     = true;	// should the auto complete be limited to the beginning of keyword?
	this.match_first     = true;	// if previous is false, should the exact matches be displayed first?
	this.restrict_typing = false;	// restrict to existing members of array
	this.full_refresh    = false;	// should the script re-send the AJAX request after each typed character?

	this.use_iframe  = true;	// should the control use an IFrame element to fix suggestion list positioning (MS IE only)?
	this.use_scroll  = true;	// should the control use a scroll bar (true) or a up/down arrow-buttons (false)?
	this.use_mouse   = true;	// enable mouse support
	this.no_default  = true;	// should the control omit selecting the 1st item in a suggestion list?
	this.start_check = 0;		// show widget only after this number of characters is typed in (effective if >1)

	this.text_delimiter = [";", ","];	// delimiter for multiple autocomplete entries. Set it to empty array ( [] ) for single autocomplete.
	this.ajax_delimiter = "|"; 			// character that delimits entries in the string returned by AJAX call
	this.item_delimiter = ","; 			// character that delimits key and value for the suggestion item in the string returned by AJAX call

	this.selectedIndex = -1;	// index (zero-based) of the entry last selected

	// Styles:

	this.bg_color    = "#FFFFF0";	// background color for the suggestion list
	this.ar_color    = "#656291";	// background color for the "arrow" rows (used if use_scroll is false)
	this.text_color  = "#000";		// text color for the non-selected suggestions
	this.htext_color = "#F00";		// text color for the selected suggestion
	this.hcolor      = "#D6D7E7";	// background color for the selected suggestion
	this.font        = "verdana,arial,helvetica";	// font(s) of suggestion items
	this.font_size   = "10px";		// font size of suggestion items

	// "Private" variables:

	this.suggest_url = url || (array ? "" : autosuggest_url);	// URL the server-side script that gives you the suggestion list
	this.msie = (document.all && !window.opera);

	this.displayed = false;

	this.delim_words  = [];
	this.current_word = 0;
	this.delim_char   = [];

	this.current    = 0;
	this.total      = 0;
	this.range_up   = 0;
	this.range_down = 0;

	this.previous = 0;
	this.timer    = 0;
	this.rebuild  = false;

	this.bool = [];
	this.rows = [];

	this.onSelect = onSelect || null;

	this.cur_x = 0;
	this.cur_y = 0;
	this.cur_w = 0;
	this.cur_h = 0;

	this.mouse_x = 0;
	this.mouse_y = 0;

	this.mouse_on_list = 0;
	this.caret_moved = false;

	this.field_id = id;
	this.field    = document.getElementById(id);

	this.lastterm = this.field.value;

	this.keywords = [], this.keywords_init = [];
	this.values   = [], this.values_init   = [];

	this.image = ["arrow-down.gif", "arrow-down-d.gif", "arrow-up.gif", "arrow-up-d.gif"];

	return this.construct(array || []);
};

autosuggest.prototype = {

	construct: function(array)
	{
		function callLater(func, obj, param1, param2) { return function() { func.call(obj, param1 || null, param2 || null) }; }

		this.field.autosuggest = this;

		// Precache arrows:

		if(!this.use_scroll)
		{
			for(var i = 0; i < 4; i++)
			{
				var img = new Image;
				img.src = this.image[i];
			}
		}

		// Initialize the control from JS array:

		for(var i = 0, cl = array.length; i < cl; i++)
		{
			var item = array[i];			
			if(item.constructor == Array)
			{
				this.keywords[i] = this.keywords_init[i] = item[0];
				this.values[i]   = this.values_init[i]   = item[1];
			}
			else
			{
				this.keywords[i] = this.keywords_init[i] =item;
				this.values[i]   = this.values_init[i]   = "";
			}
		}

		// Create event handlers:

		this.funcClick = this.mouseClick;
		this.funcCheck = this.checkKey;

		this.funcHighlight = this.highlightTable;

		this.funcClear = callLater(this.clearEvents, this);
		this.funcPress = this.keyPress;

		this.funcUp   = callLater(this.scroll, this, true,  1);
		this.funcDown = callLater(this.scroll, this, false, 1);

		this.funcFocus   = callLater(this.focusTable,   this);
		this.funcUnfocus = callLater(this.unfocusTable, this);

		this.addEvent(this.field, "focus", callLater(this.setupEvents, this));

		return this;
	},

	setupEvents: function()
	{
		this.addEvent(document,   "keydown",  this.funcCheck);
		this.addEvent(this.field, "blur",     this.funcClear);
		this.addEvent(document,   "keypress", this.funcPress);
	},

	clearEvents: function()
	{
		// Removes an event handler:
		function removeEvent(obj, event_name, func_ref)
		{
			if(obj.removeEventListener && !window.opera)
			{
				obj.removeEventListener(event_name, func_ref, true);
			}
			else
			{
				obj["on" + event_name] = null;
			}
		}

		var event = window.event;

		if(event && this.cur_h)
		{
			var elem = event.srcElement || event.target;

			var x = this.mouse_x + (document.body.scrollLeft || 0);
			var y = this.mouse_y + (document.body.scrollTop || 0);

			if((elem.id == this.field_id) && (x > this.cur_x && x < (this.cur_x + this.cur_w)) && (y > this.cur_y && y < (this.cur_y + this.cur_h)))
			{
				this.field.focus();
				return;
			}
		}

		removeEvent(document,   "keydown",  this.funcCheck);
		removeEvent(this.field, "blur",     this.funcClear);
		removeEvent(document,   "keypress", this.funcPress);

		this.hide();
	},

	parse: function(n, plen, re)
	{
		if(!n || !n.length)	return "";
		if(!plen) return n;

		var tobuild = [], c = 0, p = n.search(re);

		tobuild[c++] = n.substr(0, p);
		tobuild[c++] = "<u><font face=\"";
		tobuild[c++] = this.font;
		tobuild[c++] = "\">";
		tobuild[c++] = n.substring(p, plen + p);
		tobuild[c++] = "</font></u>";
		tobuild[c++] = n.substring(plen + p, n.length);

		return tobuild.join("");
	},

	build: function()
	{
		if(this.total == 0)
		{
			this.displayed = false;
			return;
		}

		// Offset position from top of the screen
		function curPos(obj, what)
		{
			var coord = 0;
			while(obj)
			{
				coord += obj["offset" + what];
				obj = obj.offsetParent;
			}

			return coord;
		}

		this.rows = [];
		var that = this;

		this.addEvent(document, "mousemove", function(event)
		{
			event = event || window.event;

			that.mouse_x = event.x;
			that.mouse_y = event.y;
		});

		var body = document.getElementById("suggest_table_" + this.field_id);
		if(body)
		{
			this.displayed = false;
			document.body.removeChild(body);

			var helper = document.getElementById("suggest_helper_" + this.field_id);
			if(helper)
				document.body.removeChild(helper);
		}		

		var bb = document.createElement("div");
		bb.id  = "suggest_table_" + this.field_id;
		bb.style.position = "absolute";
		bb.style.border = "#000000 solid 1px";
		bb.style.zIndex = 100;

		this.cur_y = curPos(this.field, "Top") + this.field.offsetHeight;
		bb.style.top = this.cur_y + "px";

		this.cur_x = curPos(this.field, "Left");
		bb.style.left = this.cur_x + "px";

		this.cur_w = this.field.offsetWidth - (this.msie ? 2 : 6);
		bb.style.width = this.cur_w + "px";

		this.cur_h = 1;
		bb.style.height = "1px";

		var cc = null;
		if(this.msie && this.use_IFrame)
		{
			var cc = document.createElement("iframe");
			cc.id = "suggest_helper_" + this.field_id;

			cc.src = "javascript:\"<html></html>\";";
			cc.scrolling = "no";
			cc.frameBorder = "no";

			cc.style.display = "block";
			cc.style.position = "absolute";

			cc.style.zIndex = 99;
			cc.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity=0)";
		}

		var that = this;
		var showFull = (this.total > this.entry_limit);

		if(this.use_scroll && showFull)
		{
			this.cur_h = Math.ceil(this.entry_limit * parseInt(this.font_size));
			bb.style.height = this.cur_h + "px";

			bb.style.overflow = "auto";
			bb.style.overflowX = "hidden";
		}

		if(cc)
		{
			document.body.appendChild(cc);

			cc.style.top = this.cur_y + "px";
			cc.style.left = this.cur_x + "px";

			cc.style.width = bb.offsetWidth + 2;
		}

		document.body.appendChild(bb);

		var first = true, dispCount = showFull ? this.entry_limit : this.total;
		var str = [], cn = 0;

		str[cn++] = "<table cellspacing=\"1px\" cellpadding=\"2px\" style=\"width:100%;background-color:";
		str[cn++] = this.bg_color;
		str[cn++] = "\" id=\"suggest_table2_";
		str[cn++] = this.field_id;
		str[cn++] = "\">";

		bb.innerHTML = str.join("");
		var table = bb.firstChild;

		if(this.use_mouse)
		{
			table.onmouseout  = this.funcUnfocus;
			table.onmouseover = this.funcFocus;
		}

		var real_height = 0, real_width = 0;

		function createArrowRow(_img)
		{
			var row = table.insertRow(-1), rs = row.style;
			rs.backgroundColor = that.ar_color;

			var cell = row.insertCell(0), cs = cell.style;
			cs.cursor = "default";
			cs.textAlign = "center";

			var img = cell.appendChild(document.createElement("img"));
			img.src = that.image[_img];

			real_height += row.offsetHeight + 1;
			return cell;
		}

		if(!this.use_scroll && showFull)
			createArrowRow(3);

		var kl = this.keywords.length, counter = 0, j = 0;

		// For "parse" call:
		var t, plen;
		if(this.text_delimiter.length > 0)
		{
			var word = this.delim_words[this.current_word];

			   t = this.trim(this.addSlashes(word));
			plen = this.trim(word).length;
		}
		else
		{
			var word = this.field.value;

			   t = this.addSlashes(word);
			plen = word.length;
		}

		var re = new RegExp((this.limit_start ? "^" : "") + t, "i");

		function addSuggestion(index, _first)
		{
			var row = that.rows[j] = table.insertRow(-1);
			row.style.backgroundColor = (_first || (that.previous == index)) ? that.hcolor : that.bg_color;

			var cell = row.insertCell(0), cs = cell.style;
			cs.color = (_first || (that.previous == index)) ? that.htext_color : that.text_color;
			cs.fontFamily = that.font;
			cs.fontSize = that.font_size;
			cs.whiteSpace = "nowrap";

			cell.innerHTML = that.parse(that.keywords[index], plen, re);
			cell.setAttribute("pos", j++);
			cell.autosuggest = that; 

			if(that.use_mouse)
			{
				cs.cursor = this.msie ? "hand" : "pointer";
				that.addEvent(cell, "click", that.funcClick);
				cell.onmouseover = that.funcHighlight;
			}

			return [row.offsetWidth, row.offsetHeight];
		}

		for(var i = 0; i < kl; i++)
		{
			if(this.bool[i])
			{
				var dim = addSuggestion(i, (first && !this.no_default && !this.rebuild));
				first = false;

				if(counter <= this.entry_limit)
					real_height += dim[1] + 1;

				if(real_width < dim[0])
					real_width = dim[0];

				if(++counter == this.entry_limit)
				{
					++i;
					break;
				}
			}
		}

		var last = i;

		if(!this.use_scroll && showFull)
		{
			var cell = createArrowRow(0);

			if(this.use_mouse)
			{
				cell.style.cursor = this.msie ? "hand" : "pointer";
				this.addEvent(cell, "click", this.funcDown);
			}
		}

		this.cur_h = real_height + 1;
		bb.style.height = this.cur_h + "px";

		this.cur_w = ((real_width > bb.offsetWidth) ? real_width : bb.offsetWidth) + (this.msie ? -2 : 2);
		bb.style.width  = this.cur_w + "px";

		if(cc)
		{
			cc.style.height = this.cur_h + "px";
			cc.style.width  = this.cur_w + "px";
		}

		this.current    = this.no_default ? -1 : 0;
		this.range_up   = 0;
		this.range_down = j - 1;
		this.displayed  = true;

		if(this.use_scroll)
		{
			setTimeout(function()
			{
				counter = 0;

				for(var i = last; i < kl; i++)
				{
					if(!that.displayed) return;

					if(that.bool[i])
					{
						addSuggestion(i);

						if(++counter == that.entry_limit)
						{
							++i;
							break;
						}
					}
				}

				last = i;

				if(j < that.total) setTimeout(arguments.callee, 25);
			},
			25);
		}
	},

	remake: function()
	{
		this.rows = [];

		var a = document.getElementById("suggest_table2_" + this.field_id);
		var k = 0, first = true;

		function adjustArrow(obj, img, cond, handler)
		{
			var hand = obj.msie ? "hand" : "pointer";

			var r = a.rows[k++];
			r.style.backgroundColor = obj.ar_color;

			var c = r.firstChild;
			c.style.cursor = "default";
			c.style.textAlign = "center";

			c.firstChild.src = obj.image[img];

			if(cond && handler && obj.use_mouse)
			{
				obj.addEvent(c, "click", handler);
				c.style.cursor = hand;
			}
		}

		if(this.total > this.entry_limit)
		{
			var b = (this.range_up > 0);
			adjustArrow(this, b ? 2 : 3, b, this.funcUp);
		}

		// For "parse" call:
		var t, plen;
		if(this.text_delimiter.length > 0)
		{
			var word = this.delim_words[this.current_word];

			   t = this.trim(this.addSlashes(word));
			plen = this.trim(word).length;
		}
		else
		{
			var word = this.field.value;

			   t = this.addSlashes(word);
			plen = word.length;
		}

		var re = new RegExp((this.limit_start ? "^" : "") + t, "i");
		var kl = this.keywords.length, j = 0;

		for(var i = 0; i < kl; i++)
		{
			if(this.bool[i])
			{
				if((j >= this.range_up) && (j <= this.range_down))
				{
					var r = this.rows[j] = a.rows[k++];
					r.style.backgroundColor = this.bg_color;

					var c = r.firstChild;
					c.style.color = this.text_color;
					c.style.fontFamily = this.font;
					c.style.fontSize = this.font_size;
					c.innerHTML = this.parse(this.keywords[i], plen, re);
					c.setAttribute("pos", j);
				}

				if(++j > this.range_down) break;
			}
		}

		if(kl > this.entry_limit)
		{
			var b = (j < this.total);
			adjustArrow(this, b ? 0 : 1, b, this.funcDown);
		}

		if(this.msie)
		{
			var helper = document.getElementById("suggest_helper_" + this.field_id);
			if(helper) helper.style.width = a.parentNode.offsetWidth + 2;
		}
	},

	startTimer: function(on_list)
	{
		if(this.time_out > 0)
			this.timer = setTimeout(function() { this.mouse_on_list = on_list; this.hide(); }, this.time_out);
	},

	stopTimer: function()
	{
		if(this.timer)
		{
			clearTimeout(this.timer);
			this.timer = 0;
		}
	},

	getRow: function(index)
	{
		if(typeof(index) == "undefined") index = this.current;

		return (this.rows[index] || null);
	},

	fixArrows: function(base)
	{
		if(this.total <= this.entry_limit) return;

		var table = base.firstChild, at_start = (this.current == 0), at_end = (this.current == (this.total - 1));
		var hand = (this.msie ? "hand" : "pointer");

		var cell = table.rows[0].firstChild;
		cell.firstChild.src = this.image[at_start ? 3 : 2];
		cell.style.cursor = at_start ? "default" : hand;

		cell = table.rows[this.entry_limit + 1].firstChild;
		cell.firstChild.src = this.image[at_end ? 1 : 0];
		cell.style.cursor = at_end ? "default" : hand;
	},

	scroll: function(direction, times)
	{
		if(!this.displayed) return;

		this.field.focus();
		if(this.current == (direction ? 0 : (this.total - 1))) return;

		if(!direction && (this.current < 0))
		{
			this.current = -1;
		}
		else
		{
			var t = this.getRow();

			if(t && t.style)
			{
				t.style.backgroundColor = this.bg_color;
				t.firstChild.style.color = this.text_color;
			}
		}

		this.current += times * (direction ? -1 : 1);
		if(direction)
		{
			if(this.current < 0)
				this.current = 0;
		}
		else
		{
			if(this.current > (this.total - 1))
				this.current = this.total - 1;
		}

		var t = this.getRow(), base = document.getElementById("suggest_table_" + this.field_id);

		if(this.use_scroll && t)
		{
			if(direction)
			{
				if(t.offsetTop < base.scrollTop)
					base.scrollTop = t.offsetTop;
			}
			else
			{
				if((t.offsetTop + t.offsetHeight) > (base.scrollTop + base.offsetHeight))
				{
					var ndx = this.current - this.entry_limit + 1;
					if(ndx > 0)
						base.scrollTop = this.getRow(ndx).offsetTop;
				}
			}
		}
		else
		{
			if(direction)
			{
				if(this.current < this.range_up)
				{
					this.range_up -= times;
					if(this.range_up < 0) this.range_up = 0;

					this.range_down = this.range_up + this.entry_limit - 1;

					this.remake();
				}
				else this.fixArrows(base);
			}
			else
			{
				if(this.current > this.range_down)
				{
					this.range_down += times;
					if(this.range_down > (this.total - 1)) this.range_down = this.total - 1;

					this.range_up = this.range_down - this.entry_limit + 1;

					this.remake();
				}
				else this.fixArrows(base);
			}

			t = this.getRow();
		}

		if(t && t.style)
		{
			t.style.backgroundColor = this.hcolor;
		    t.firstChild.style.color = this.htext_color;
		}

		this.stopTimer();
		this.startTimer(1);

		this.field.focus();
	},

	mouseClick: function(event)
	{
		event = event || window.event;
		var elem = event.srcElement || event.target;

		if(!elem.id) elem = elem.parentNode;

		var obj = elem.autosuggest;

		if(!obj)
		{
			var tag = elem.tagName.toLowerCase();
			elem = (tag == "tr") ? elem.firstChild : elem.parentNode;

			obj = elem.autosuggest;
		}

		if(!obj || !obj.displayed) return;

		obj.mouse_on_list = 0;
		obj.current = parseInt(elem.getAttribute("pos"), 10);
		obj.choose();
	},

	focusTable: function()
	{
		this.mouse_on_list = 1;
	},

	unfocusTable: function()
	{
		this.mouse_on_list = 0;

		this.stopTimer();
		this.startTimer(0)
	},

	highlightTable: function(event)
	{
		event = event || window.event;
		var elem = event.srcElement || event.target;

		var obj = elem.autosuggest;
		if(!obj) return;

		obj.mouse_on_list = 1;

		var row = obj.getRow();
		if(row && row.style)
		{
			row.style.backgroundColor = obj.bg_color;
			row.firstChild.style.color = obj.text_color;
		}

		obj.current = parseInt(elem.getAttribute("pos"), 10);

		row = obj.getRow();
		if(row && row.style)
		{
			row.style.backgroundColor = obj.hcolor;
			row.firstChild.style.color = obj.htext_color; 
		}

		obj.stopTimer();
		obj.startTimer(0);
	},
 
 	choose: function()
	{
		if(!this.displayed) return;
		if(this.current < 0) return;

		this.displayed = false;

		var kl = this.keywords.length;

		for(var i = 0, c = 0; i < kl; i++)
		{
			if(this.bool[i] && (c++ == this.current))
			{
				break;
			}
		}

		this.selectedIndex = i;
		this.insertWord(this.keywords[i]);

		if(this.onSelect)
			this.onSelect(i, this);
	},

	insertWord: function(a)
	{
		// Sets the caret position to l in the object
		function setCaretPos(obj, l)
		{
			obj.focus();

			if(obj.setSelectionRange)
			{
				obj.setSelectionRange(l, l);
			}
			else if(obj.createTextRange)
			{
				var m = obj.createTextRange();
				m.moveStart("character", l);
				m.collapse();
				m.select();
			}
		}

		if(this.text_delimiter.length > 0)
		{
			var str = "", word = this.delim_words[this.current_word], wl = word.length, l = 0;

			for(var i = 0; i < this.delim_words.length; i++)
			{
				if(this.current_word == i)
				{
					var prespace = "", postspace = "", gotbreak = false;

					for(var j = 0; j < wl; ++j)
					{
						if(word.charAt(j) != " ")
						{
							gotbreak = true;
							break;
						}

						prespace += " ";
					}

					for(j = wl - 1; j >= 0; --j)
					{
						if(word.charAt(j) != " ")
							break;

						postspace += " ";
					}

					str += prespace;
					str += a;
					l = str.length;

					if(gotbreak) str += postspace;
				}
				else
				{
					str += this.delim_words[i];
				}

				if(i != this.delim_words.length - 1)
					str += this.delim_char[i];
			}

			this.field.value = str;
			setCaretPos(this.field, l);
		}
		else
		{
			this.field.value = a;
		}

		this.mouse_on_list = 0;
		this.hide();
	},

	hide: function()
	{
		if(this.mouse_on_list == 0)
		{
			this.displayed = false;

			var base = document.getElementById("suggest_table_" + this.field_id);
			if(base)
			{
				var helper = document.getElementById("suggest_helper_" + this.field_id);
				if(helper)
					document.body.removeChild(helper);

				document.body.removeChild(base);
			}

			this.stopTimer();

			this.cur_x = 0;
			this.cur_y = 0;
			this.cur_w = 0;
			this.cur_h = 0;

			this.rows = [];
		}
	},

	keyPress: function(event)
	{
		// On firefox there is no way to distingish pressing shift-8 (asterix)
		// from pressing 8 during the keyDown event, so we do restrict_typing
		// whilest handling the keyPress event

		event = event || window.event;

		var code = window.event ? event.keyCode : event.charCode;
		var obj = event.srcElement || event.target;

		obj = obj.autosuggest;

		if(obj.restrict_typing && !obj.suggest_url.length && (code >= 32))
		{
			var keyw_len = obj.keywords.length;
			var new_term = obj.field.value + String.fromCharCode(code);
			new_term = new_term.toLowerCase();

			for(var i = 0; i < keyw_len; i++)
				if(obj.keywords[i].toLowerCase().indexOf(new_term) != -1)
					break;

			if(i == keyw_len)
			{
				obj.stopEvent(event);
				return false;
			}
		}

		if(obj.caret_moved) obj.stopEvent(event);
		return !obj.caret_moved; 
	},

	checkKey: function(event)
	{
		event = event || window.event;

		var code = event.keyCode;
		var obj = event.srcElement || event.target;

		obj = obj.autosuggest; 
		obj.caret_moved = 0;

		var term = "";

		obj.stopTimer();

		switch(code)
		{
			// Up arrow:
			case 38:
				if(obj.current <= 0)
				{
					obj.stopEvent(event);
					obj.hide();
				}
				else
				{
					obj.scroll(true, 1);
					obj.caret_moved = 1;
					obj.stopEvent(event);
				}
				return false;

			// Down arrow:
			case 40:
				if(!obj.displayed)
				{
					obj.timer = setTimeout(function()
					{
						obj.preSuggest(-1);
					},
					25);
				}
				else
				{
					obj.scroll(false, 1);
					obj.caret_moved = 1;
				}
				return false;

			// Page up:
			case 33:
				obj.scroll(true, (obj.use_scroll || (obj.getRow() == obj.rows[obj.range_up])) ? obj.entry_limit : (obj.current - obj.range_up));

				obj.caret_moved = 1;
				break;

			// Page down:
			case 34:
				obj.scroll(false, (obj.use_scroll || (obj.getRow() == obj.rows[obj.range_down])) ? obj.entry_limit : (obj.range_down - obj.current));

				obj.caret_moved = 1;
				break;

			// Home
			case 36:
				obj.scroll(true, obj.total);

				obj.caret_moved = 1;
				break;

			// End
			case 35:
				obj.scroll(false, obj.total);

				obj.caret_moved = 1;
				break;

			// Esc:
			case 27:
				term = obj.field.value;

				obj.mouse_on_list = 0;
				obj.hide();
				break;

			// Enter:
			case 13:
				if(obj.displayed)
				{
					obj.caret_moved = 1;
					obj.choose();
					return false;
				}
				break;

			// Tab:
			case 9:
				if((obj.displayed && (obj.current >= 0)) || obj.timer)
				{
					obj.caret_moved = 1;
					obj.choose();

					setTimeout(function() { obj.field.focus(); }, 25);
					return false;
				}
				break;

			case 16: //shift
				break;

			default:
				obj.caret_moved = 0;
				obj.timer = setTimeout(function()
				{
					obj.preSuggest(code);
				},
				(obj.response_time < 10 ? 10 : obj.response_time));
				break;
		}

		if(term.length) setTimeout(function() { obj.field.value = term; }, 25);
		return true;
	},

	preSuggest: function(kc)
	{
		if(!this.timer)
			return;

		this.stopTimer();

		if(this.displayed && (this.lastterm == this.field.value)) return;
		this.lastterm = this.field.value;

		if(kc == 38 || kc == 40 || kc == 13) return;

		var c = 0;
		if(this.displayed && (this.current >= 0))
		{
			for(var i = 0; i < this.keywords.length; i++)
			{
				if(this.bool[i]) ++c;

				if(c == this.current)
				{
					this.previous = i;
					break;
				}
			}
		}
		else
		{
			this.previous = -1;
		}

		if(!this.field.value.length && (kc != -1))
		{
			this.mouse_on_list = 0;
			this.hide();
		}

		var ot, t;

		if(this.text_delimiter.length > 0)
		{
			var caret_pos = this.getCaretEnd(this.field);

			var delim_split = "";
			for(var i = 0; i < this.text_delimiter.length; i++)
				delim_split += this.text_delimiter[i];

			delim_split = this.addSlashes(delim_split);
			var delim_split_rx = new RegExp("([" + delim_split + "])");
			c = 0;
			this.delim_words = [];
			this.delim_words[0] = "";

			for(var i = 0, j = this.field.value.length; i < this.field.value.length; i++, j--)
			{
				if(this.field.value.substr(i, j).search(delim_split_rx) == 0)
				{
					var ma = this.field.value.substr(i, j).match(delim_split_rx);
					this.delim_char[c++] = ma[1];
					this.delim_words[c] = "";
				}
				else
				{
					this.delim_words[c] += this.field.value.charAt(i);
				}
			}

			var l = 0;
			this.current_word = -1;

			for(i = 0; i < this.delim_words.length; i++)
			{
				if((caret_pos >= l) && (caret_pos <= (l + this.delim_words[i].length)))
					this.current_word = i;

				l += this.delim_words[i].length + 1;
			}

			ot = this.trim(this.delim_words[this.current_word]); 
			 t = this.trim(this.addSlashes(this.delim_words[this.current_word]));
		}
		else
		{
			ot = this.field.value;
			 t = this.addSlashes(ot);
		}

		if(ot.length == 0 && (kc != -1))
		{
			this.mouse_on_list = 0;
			this.hide();
		}
		else if((ot.length == 1) || this.full_refresh ||
		       ((ot.length > 1) && !this.keywords.length) ||
		       ((ot.length > 1) && (this.keywords[0].charAt(0).toLowerCase() != ot.charAt(0).toLowerCase())))
		{
			var ot_ = ((ot.length > 1) && !this.full_refresh) ? ot.charAt(0) : ot;

			if(this.suggest_url.length)
			{
				// create xmlhttprequest object:
				var http = null;
				if(typeof XMLHttpRequest != "undefined")
				{
					try
					{
						http = new XMLHttpRequest();
					}
					catch (e) { http = null; }
				}
				else
				{
					try
					{
						http = new ActiveXObject("Msxml2.XMLHTTP") ;
					}
					catch (e)
					{
						try
						{
							http = new ActiveXObject("Microsoft.XMLHTTP") ;
						}
						catch (e) { http = null; }
					}
				}

				if(http)
				{
					// Uncomment for local debugging in Mozilla/Firefox:
					// try { netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead"); } catch (e) { }

					if(http.overrideMimeType)
						http.overrideMimeType("text/xml");

					http.open("GET", this.suggest_url + ot_, true);

					var that = this;
					http.onreadystatechange = function(n)
					{
						if(http.readyState == 4)
						{
							if((http.status == 200) || (http.status == 0))
							{
								var text = http.responseText;

								var index1 = text.indexOf("<listdata>");
								var index2 = (index1 == -1) ? text.length : text.indexOf("</listdata", index1 + 10);

								index1 += (index1 != -1) ? 10 : 1;

								var tmpinfo = text.substring(index1, index2);

								if(tmpinfo)
								{
									that.keywords = tmpinfo.split(that.ajax_delimiter);

									if(that.item_delimiter && that.item_delimiter.length)
									{
										var keyword_number = that.keywords.length;
										for(var i = 0; i < keyword_number; i++)
										{
											var ca = that.keywords[i], comma = ca.indexOf(that.item_delimiter);

											if(comma != -1)
											{
												var ci = ca.split(that.item_delimiter);

												that.keywords[i] = that.keywords_init[i] = ci[0];
												that.values[i]   = that.values_init[i]   = ci[1];
											}
											else
											{
												that.values[i] = that.values_init[i] = "";										
											}
										}
									}

									that.suggest(ot_, t);
								}
							}
						}
					}

					http.send(null);
				}
			}
			else this.suggest(ot, t);
		}
		else this.suggest(ot, t);
	},

	suggest: function(ot, t)
	{
		if(ot.length < this.start_check) return;

		var al = this.keywords.length;
		this.total = 0, this.rebuild = false;

		if(!this.field.value.length)
		{
			this.total = al;

			for(var i = 0; i < al; i++)
			{
				this.keywords[i] = this.keywords_init[i];
				this.values[i] = this.values_init[i];
				this.bool[i] = true;
			}
		}
		else
		{
			var re1 = new RegExp(((!this.limit_start && !this.match_first) ? "" : "^") + t, "i");
			var re2 = new RegExp(t, "i");

			var after = (!this.limit_start && this.match_first);

			var matchArray = [], matchVArray = [];
			var afterArray = [], afterVArray = [];
			var otherArray = [], otherVArray = [];

			for(var i = 0; i < al; i++)
			{
				var key = this.keywords[i];
				var value = this.values[i];

				if(re1.test(key))
				{
					++this.total;

					matchArray[matchArray.length] = key;
					matchVArray[matchVArray.length] = value;
				}
				else if(after && re2.test(key))
				{
					++this.total;

					afterArray[afterArray.length] = key;
					afterVArray[afterVArray.length] = value;
				}
				else
				{
					otherArray[otherArray.length] = key;
					otherVArray[otherVArray.length] = value;
				}
			}

			this.keywords = matchArray.concat(afterArray).concat(otherArray);
			this.values = matchVArray.concat(afterVArray).concat(otherVArray);

			for(i = 0; i < al; i++)
				this.bool[i] = (i < this.total);
		}

		if(this.previous != -1)
			this.rebuild = true;

		this.startTimer(0);
		this.build();
	},

	// Utility methods:

	// Setup an event handler for the given event and DOM element
	// event_name refers to the event trigger, without the "on", like click or mouseover
	// func_name refers to the function callback that is invoked when event is triggered
	addEvent: function(obj, event_name, func_ref)
	{
		if(obj.addEventListener && !window.opera)
		{
			obj.addEventListener(event_name, func_ref, true);
		}
		else
		{
			obj["on" + event_name] = func_ref;
		}
	},

	// Stop an event from bubbling up the event DOM
	stopEvent: function(event)
	{
		event = event || window.event;

		if(event)
		{
			if(event.stopPropagation) event.stopPropagation();
			if(event.preventDefault) event.preventDefault();

			if(typeof event.cancelBubble != "undefined")
			{
				event.cancelBubble = true;
				event.returnValue = false;
			}
		}

		return false;
	},

	// Get the end position of the caret in the object. Note that the obj needs to be in focus first.
	getCaretEnd: function(obj)
	{
		if(typeof obj.selectionEnd != "undefined")
		{
			return obj.selectionEnd;
		}
		else if(document.selection && document.selection.createRange)
		{
			var M = document.selection.createRange(), Lp;

			try
			{
				Lp = M.duplicate();
				Lp.moveToElementText(obj);
			}
			catch(e)
			{
				Lp = obj.createTextRange();
			}

			Lp.setEndPoint("EndToEnd", M);
			var rb = Lp.text.length;

			if(rb > obj.value.length)
				return -1;
		
			return rb;
		}

		return -1;
	},

	// String functions:

	addSlashes: function(str) { return str.replace(/(["\\\.\|\[\]\^\*\+\?\$\(\)])/g, "\\$1"); },

	trim: function(str) { return str.replace(/^\s*(\S*(\s+\S+)*)\s*$/, "$1"); }
};

 var province_array = ['An Giang','Bà Rịa - Vũng Tàu','Bạc Liêu','Bắc Cạn','Bắc Giang','Bắc Ninh','Bến Tre','Bình Dương','Bình Phước','Bình Thuận','Bình Định','Cà Mau','Cao Bằng','Cần Thơ','Đà Nẵng','Đắc Lắc','Đắc Lông','Đồng Nai','Đồng Tháp','Gia Lai','Hà Nam','Hà Nội','Hà Tĩnh','Hải Dương','Hải Phòng','Hậu Giang','Hòa Bình','Hồ Chí Minh ','Hưng Yên','Khánh Hòa','Kiên Giang','Kon Tum','Lai Châu','Lạng Sơn','Lào Cai','Lâm Đồng','Long An','Nam Định','Nghệ An','Ninh Bình','Ninh Thuận','Phú Thọ','Phú Yên','Quảng Bình','Quảng Nam','Quảng Ngãi','Quảng Ninh','Quảng Trị','Sóc Trăng',
'Sơn La','Tây Ninh','Thái Bình','Thái Nguyên','Thanh Hóa','Thừa Thiên Huế','Tiền Giang','Trà Vinh','Tuyên Quang','Vĩnh Long','Vĩnh Phúc','Yên Bái','Hà Giang','Điện Biên'];
 
 var nganhnghe=['Điện tử','Điện lạnh','Kỹ thuật số','Thời trang','Mỹ phẩm','Vật liệu xây dựng','Cửa hàng dược','Giầy dép','Quần áo','Trang sức','Viễn thông','Điện thoại','Sim thẻ','Máy tính','Máy in','Gia dụng','Tạp hóa','Siêu thị','Máy phụ tùng','Gas','Nước uống','Văn phòng phẩm','Khác'];