function $(id)
{
	return document.getElementById(id);
}
var $G = {

	gIsIE: ((navigator.userAgent.toLowerCase().indexOf('msie') != -1) ? true : false),
	gIsIE6: ((navigator.userAgent.toLowerCase().indexOf('msie 6') != -1) ? true : false),
	$: function(id)
	{
		return document.getElementById(id);
	},
	rm: function(id)
	{
		if(this.$(id)) 
			this.$(id).parentNode.removeChild(this.$(id));
	},
	cover: function(color, alpha, magin)
	{
		if(typeof(color) == 'undefined') color = '#666666';
		if(typeof(alpha) == 'undefined') alpha = 40;
		if(typeof(magin) == 'undefined') magin = 0;
		
		var alpha2 = alpha / 100;
	
		if(!this.$("cover_div_dasda")) {
		
			var div = document.createElement('div'); 
			div.id = 'cover_div_dasda';
			div.style.position = 'absolute';
			var height = document.documentElement.clientHeight;
			if(height == 0) height = document.body.clientHeight;
			var sheight = document.documentElement.scrollHeight;
			if(sheight == 0) sheight = document.body.scrollHeight;
			var width = document.documentElement.clientWidth;
			if(width == 0) width = document.body.clientWidth;
			var swidth = document.documentElement.scrollWidth;
			if(swidth == 0) swidth = document.body.scrollWidth;

			if(sheight > height) height = sheight + magin;
			
			if(swidth > width) width = swidth;
			div.style.width = width + 'px';
			div.style.height = height + 'px';
			div.style.backgroundColor = color;
			div.style.left = '0px';
			div.style.top = '0px';
			div.style.zIndex = '5';
			div.style.filter = 'alpha(opacity=' + alpha + ')';
			div.style.opacity = alpha2;
			document.body.appendChild(div);
		}
	},

	uncover: function()
	{
		this.rm("cover_div_dasda");
	},
	show_div: function(id, width, height)
	{
		this.cover();
		var cwidth = document.documentElement.clientWidth;
		var ctop = document.documentElement.scrollTop;
		if(cwidth == 0) cwidth = document.body.clientWidth;
		if(ctop == 0) ctop = document.body.scrollTop;

		var cheight = document.documentElement.clientHeight;

		if(cheight == 0) cheight = document.body.clientHeight;

		var left = parseInt((cwidth-width)/2);
		var top = parseInt((cheight-height)/2) + ctop - 20;

		this.$(id).style.left = left + 'px';
		this.$(id).style.top = top + 'px';
		
		this.$(id).style.display = 'block';

		this.scroll(function(){
			var ctop = document.documentElement.scrollTop;
			if(ctop == 0) ctop = document.body.scrollTop;
			var top = parseInt((cheight-height)/2) + ctop - 20;

			document.getElementById(id).style.top = top + 'px';
		});
	},
	hide_div: function(id, p)
	{
		if(p !== false) this.uncover();
		this.$(id).style.display = 'none';
	},
	/*cookie*/
	getCookie: function(sName)
	{
		var cookie = "" + document.cookie;
		var start = cookie.indexOf(sName);
		if (cookie == "" || start == -1) 
			return "";
		var end = cookie.indexOf(';',start);
		if (end == -1)
			end = cookie.length;
		if(start+sName.length + 1>end) return "";
		return decodeURIComponent(this.trim(cookie.substring(start+sName.length + 1,end)));
	},
	delCookie: function(sName)
	{
		var expdate = new Date();
		expdate.setFullYear(expdate.getFullYear() - 1);
		document.cookie = sName + "=;path=/;expires="+expdate.toGMTString()+";domain=.fsecity.com";
	},
	setCookie: function(sName, value ,t) 
	{
		var expdate = new Date();
		if(t == 0) {
			document.cookie = sName + "=" + encodeURIComponent(value) + ";path=/;domain=.fsecity.com";
			return ;
		}
		if(typeof(t) == "undefined")
			expdate.setFullYear(expdate.getFullYear() + 1);
		else
			expdate.setTime(expdate.getTime() + 1000 * t);
		document.cookie = sName + "=" + encodeURIComponent(value) + ";path=/;expires="+expdate.toGMTString()+";domain=.fsecity.com";
	},
	trim: function(str) 
	{ 
		if(str == null || typeof(str) == "undefined") return "";
		for(var i = 0 ; i<str.length && (str.charAt(i)==" " || str.charAt(i)=="　") ; i++) ; 
		for(var j =str.length; j>0 && (str.charAt(j-1)==" " || str.charAt(j-1)=="　") ; j--) ; 
		if(i>j) return ""; 
		return str.substring(i,j); 
	},
	str_replace: function(str, s, r) 
	{
		var regex = new RegExp(s, "g");
		return str.replace(regex, r);
	},
	set_len: function(str, len, r)
	{
		if(typeof(r) == 'undefined') r = '...';
		if(str.length > len) str = str.substr(0, len - 1) + r;
		return str;
	},
	ajax: function(url, data, func, type, method)
	{
		
		var xmlhttp = false;
		try {
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		} 
		catch (e) {
			try {
				xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			} 
			catch (e2) {
				xmlhttp = false;
			}
		}
		if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
			xmlhttp = new XMLHttpRequest();
		}
	
		var param = "rtime=" + new Date().getTime();
		for(key in data) {
			param += "&" + key + "=" + encodeURIComponent(data[key]);
		}
		
		if(method == 'POST') {
			xmlhttp.open("POST", url, true);
			xmlhttp.setRequestHeader("Content-Length",param.length);
			xmlhttp.setRequestHeader("CONTENT-TYPE","application/x-www-form-urlencoded;");
			xmlhttp.send(param);
		} else {
			url = (url.indexOf("?") == -1)?url + "?" + param:url + "&" + param;
			xmlhttp.open("GET", url, true);
			xmlhttp.send(null);
		}
		xmlhttp.onreadystatechange = function()
		{
			if (xmlhttp.readyState == 4) {
				if(type == 'json') {
					try{
						var rs = eval('(' + xmlhttp.responseText + ')');
					} catch (e){
						var rs = xmlhttp.responseText;
					}
					func(rs);
				}
				else func(xmlhttp.responseText);
			}
		};
	},
	getJSON: function(url, func)
	{
		var jsonp = "jsonp" + (Math.random() + "").replace(".", "");
		url = url.replace("$$", jsonp);
		window[jsonp] = function(o) {
			func(o);
		}
		var s = document.createElement('script');
		s.src = url;
		document.getElementsByTagName("head").item(0).appendChild(s);
	},
	request: function(url, func)
	{
		var t = new Date().getTime();
		if(url.indexOf("?") == -1) url += "?rt=" + t;
		else url += "&rt=" + t;
		var s = document.createElement("script");
		s.src = url;
		document.documentElement.appendChild(s);
		if(this.gIsIE) {
			s.onreadystatechange = function() {
				if(s.readyState == "loaded") {
					if(func) func();
				}
			}
		} else {
			s.onload = function() {
				if(func) func();
			}
		}
	},
	getValue: function(id)
	{
		var obj = document.getElementsByName(id);
		if(obj.length == 0 || obj[0].getAttribute("id") == id) obj = document.getElementById(id);
		else obj = obj[0];
		var nodeName = obj.nodeName.toLowerCase();
		if(nodeName == "select" || nodeName == "textarea") return this.trim(obj.value);
		var type = obj.getAttribute("type");
		if(type == "radio") {
			obj = document.getElementsByName(id);
			for(var i = 0; i < obj.length; i++)
				if(obj[i].checked)
					return obj[i].value;
			return "";
		} else if(type == "checkbox") {
			obj = document.getElementsByName(id);
			var arr = new Array();
			for(var i = 0; i < obj.length; i++)
				if(obj[i].checked)
					arr.push(obj[i].value);
			return arr;
		} else {
			return this.trim(obj.value);	
		}
	},
	setValue: function(id, value)
	{
		if(typeof(value) == "undefined") value = "";
		var obj = document.getElementsByName(id);
		if(obj.length == 0) obj = document.getElementById(id);
		else obj = obj[0];
		var nodeName = obj.nodeName.toLowerCase();
		if(nodeName == "select") {
			if(this.trim(value) != '') obj.value = this.trim(value); 
			else obj.options.selectedIndex = 0;
			return ; 
		}
		var type = obj.getAttribute("type");
		if(type == "radio") {
			obj = document.getElementsByName(id);
			for(var i = 0; i < obj.length; i++) {
				obj[i].checked = false;
				if(obj[i].value == value)
					obj[i].checked = true;
			}
		} else if(type == "checkbox") {
			obj = document.getElementsByName(id);
			for(var i = 0; i < obj.length; i++) {
				if(value === 1) { obj[i].checked = true; continue; }
				obj[i].checked = false;
				for(var j = 0; j < value.length; j++) {
					if(value[j] == obj[i].value)
						obj[i].checked = true;
				}
			}
		} else {
			obj.value = this.trim(value); 	
		}
	},
	show: function(id, type)
	{
		if(typeof(type) == "undefined") type = 'block';
		document.getElementById(id).style.display = type;
	},
	hide: function(id)
	{
		document.getElementById(id).style.display = "none";
	},
	disable: function(id)
	{
		document.getElementById(id).disabled = true;
	},
	enable: function(id)
	{
		document.getElementById(id).disabled = false;
	},
	pageHTML: function(page, pagecount, url, N)
	{
		var html = "";
		if(page != 1) {
			html += '<a href="' + url.replace("%s", (page - 1)) + '" class="nostyle"><img src="http://pic.hjsm.tom.com/hj_site/huodong/gaoxiao/images/fy_s.gif" align="absmiddle" /></a>';
		} else {
			html += '<a class="nostyle"><img src="http://pic.hjsm.tom.com/hj_site/huodong/gaoxiao/images/fy_s.gif" align="absmiddle" /></a>';
		}
		var n = parseInt((N - 1) / 2);
		var pos1 = page - n;
		var pos2 = page + n;
		if(N % 2 == 0) pos2++;
		if(pos1 <= 0) {
			pos2 += Math.abs(pos1) + 1;
			pos1 = 1;
		}
		if(pos2 > pagecount) {
			pos1 -= (pos2 - pagecount);
		}
		for(var i = pos1; i <= pos2; i++) {
			if(i >= 1 && i <= pagecount) {
				if(page == i) {
					html += '<a class="cur">' + i + '</a>';
				} else {
					html += '<a href="' + url.replace("%s", i) + '">' + i + '</a>';
				}
			}
		}
		
		if(page != pagecount && pagecount != 0) {
			html += '<a href="' + url.replace("%s", (page + 1)) + '" class="nostyle"><img src="http://pic.hjsm.tom.com/hj_site/huodong/gaoxiao/images/fy_x.gif" align="absmiddle" /></a>';
		} else {
			html += '<a class="nostyle"><img src="http://pic.hjsm.tom.com/hj_site/huodong/gaoxiao/images/fy_x.gif" align="absmiddle" /></a>';
		}
		return html;
	},
	
	str_width: function(str)
	{
		var sum=0;
		str = str.replace(/\&nbsp\;/gi, " ");
		for(var i=0;i<=str.length-1;i++)
		{
			if(str.charCodeAt(i)>=0 && str.charCodeAt(i)<128)
				sum += 1;
			else
				sum += 2;
		}
		return sum;
	},
	
	setWidth: function(str, len)
	{
		if(len <= 0) return "";
		var p = 0;
		while(str_width(str) >= len) {
			p = 1;
			str = str.substr(0, str.length - 1);
		}
		if(p == 1) str += "..";
		return str;
	
	},
	
	write_flash: function(src,width,height,id)
	{
		var str = "";
		if(typeof(id) == "undefined") id = "";
		if(typeof(transparent) == "undefined") transparent = true;
		str += '<object style="width:' + width + 'px" id="' + id + '" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="flash/swflash.cab#version=9,0,28,0 width="'+width+'" height="'+height+'">';
		str += '<param name="movie" value="' + src + '" />';
		str += '<param name="quality" value="high" />';
		if(transparent) str += '<param name="wmode" value="transparent" />';
		str += '<embed name="'+id+'" src="' + src + '" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="'+width+'" height="'+height+'"';
		if(transparent) str += ' wmode="transparent" ';
		str += '></embed></object>';
		document.write(str);
	},
	json_encode: function(input)
	{ 
		if (typeof(input) == 'undefined' || input == null) return 'null' ;
		switch (input.constructor) { 
		  case String: return '"' + this.addslashes(input) + '"';
		  case Number: return input.toString();
		  case Boolean: return input.toString();
		  case Array : 
			var buf = [];
			for (i in input) 
			  buf.push(this.json_encode(input[i]));
				return '[' + buf.join(', ') + ']';
		  case Object: 
			var buf = [];
			for (k in input) 
			  buf.push('"' + k + '" : ' + this.json_encode(input[k]));
				return '{' + buf.join(', ') + '} ';
		  default: 
			return 'null';
		} 
	},
	addslashes: function(str)
	{
		str = str.replace(/\\/g, "\\\\");
		str = str.replace(/\//g, "\\/");
		str = str.replace(/"/g, "\\\"");
		str = str.replace(/\r\n/g, "\\r\\n");
		str = str.replace(/\n/g, "\\r\\n");
		return str;
	},

	get_flash: function(id) 
	{
	  if(this.gIsIE) 
		 return window[id];
	  else 
		 return document[id];
	},
	
	Enter: function(e,str)
	{
		e=e||event;
		if(e.keyCode==13)
		{ 
			eval(str);
			return false; 
		}  
	},
	check_date: function(date)
	{
		var reg = /^(\d){4}-(\d){2}-(\d){2}$/;
		if(!date.match(reg)) {
			return false;
		}
		var arr = date.split("-");
		
		if(arr[0].length != 4) return false;
		if(Number(arr[1]) > 12 || Number(arr[1]) <= 0) return false;
		if(Number(arr[2]) > 31 || Number(arr[2]) <= 0) return false;
		return true;
	},
	check_time: function(time)
	{
		var reg = /^(\d){4}-(\d){2}-(\d){2} (\d){2}:(\d){2}:(\d){2}$/;
		if(!time.match(reg)) {
			return false;
		}
		var arr1 = time.split(" ");
		var arr2 = arr1[0].split("-");
		var arr3 = arr1[1].split(":");
		if(Number(arr2[1]) > 12 || Number(arr2[1]) <= 0) return false;
		if(Number(arr2[2]) > 31 || Number(arr2[2]) <= 0) return false;
		if(Number(arr3[0]) >= 24 || Number(arr3[0]) < 0) return false;
		if(Number(arr3[1]) >= 60 || Number(arr3[1]) < 0) return false;
		if(Number(arr3[2]) >= 60 || Number(arr3[2]) < 0) return false;
		return true;
	},
	
	check_int: function(str, fu)
	{
		if(str == '0') return true;
		if(fu) var reg = /^(\-)?[1-9][0-9]*$/;
		else var reg = /^[1-9][0-9]*$/;
		if(!str.match(reg)) {
			return false;
		}
		return true;
	},
	
	check_number: function(str)
	{
		if(str == '0') return true;
		var reg = /^[1-9][0-9]*(\.\d+)?$/;
		if(str.match(reg)) {
			return true;
		}
		return false;
	},
	scroll: function(func)
	{
		if(this.gIsIE) window.attachEvent("onscroll", func);
		else window.addEventListener("scroll", func, false);
	},
	load: function(func)
	{
		if(this.gIsIE) window.attachEvent("onload", func);
		else window.addEventListener("load", func, false);
	},
	dateToStr: function(date, type)
	{
		if(!date) return "";
		var y = date.getFullYear()+"";
		var m = (date.getMonth()+1)+""; if(m.length == 1) m = "0" + m;
		var d = date.getDate()+""; if(d.length == 1) d = "0" + d;
		var h = date.getHours()+""; if(h.length == 1) h = "0" + h;
		var i = date.getMinutes()+""; if(i.length == 1) i = "0" + i;
		var s = date.getSeconds()+""; if(s.length == 1) s = "0" + s;
		if(!type) {
			return  y + "-" + m + "-" + d + " " + h + ":" +i + ":" +s;
		} else {
			return 	y + "-" + m + "-" + d;
		}
	},
	getStrTime:function(str)
	{
		str = str.replace(/ /g, "-");
		str = str.replace(/:/g, "-");
		var a = str.split("-");
		if(a.length == 3) {
			if(a[0].length != 4) return false;
			if(a[1].length == 1) a[1] = "0" + a[1];
			if(a[1].length != 2) return false;
			if(a[2].length == 1) a[2] = "0" + a[2];
			if(a[2].length != 2) return false;
			var s1 = a[0] + "/" + a[1] + "/" + a[2];
			var s2 = a[0] + "-" + a[1] + "-" + a[2];
			var date = new Date(Date.parse(s1));
			var y = date.getFullYear()+""; if(y.length != 4) return false;
			var m = (date.getMonth()+1)+""; if(m.length == 1) m = "0" + m;
			var d = date.getDate()+""; if(d.length == 1) d = "0" + d;
			var s = y + "-" + m + "-" + d;
			if(s == s2) return date;
			else return false;
		} else if(a.length == 6) {
			if(a[0].length != 4) return false;
			if(a[1].length == 1) a[1] = "0" + a[1];
			if(a[1].length != 2) return false;
			if(a[2].length == 1) a[2] = "0" + a[2];
			if(a[2].length != 2) return false;
			if(a[3].length == 1) a[3] = "0" + a[3];
			if(a[3].length != 2) return false;
			if(a[4].length == 1) a[4] = "0" + a[4];
			if(a[4].length != 2) return false;
			if(a[5].length == 1) a[5] = "0" + a[5];
			if(a[5].length != 2) return false;
			var s1 = a[0] + "/" + a[1] + "/" + a[2] + " " + a[3] + ":" +a[4] + ":" +a[5];
			var s2 = a[0] + "-" + a[1] + "-" + a[2] + " " + a[3] + ":" +a[4] + ":" +a[5];
			
			var date = new Date(Date.parse(s1));
			var y = date.getFullYear()+""; if(y.length != 4) return false;
			var m = (date.getMonth()+1)+""; if(m.length == 1) m = "0" + m;
			var d = date.getDate()+""; if(d.length == 1) d = "0" + d;
			var h = date.getHours()+""; if(h.length == 1) h = "0" + h;
			var i = date.getMinutes()+""; if(i.length == 1) i = "0" + i;
			var s = date.getSeconds()+""; if(s.length == 1) s = "0" + s;
			var s3 = y + "-" + m + "-" + d + " " + h + ":" + i + ":" + s;
			if(s2 == s3) return date;
			else return false;
		}
		return false;
	},
	getTimeStr: function ()
	{
		var date = new Date();
		var y = date.getFullYear()+""; if(y.length != 4) return false;
		var m = (date.getMonth()+1)+""; if(m.length == 1) m = "0" + m;
		var d = date.getDate()+""; if(d.length == 1) d = "0" + d;
		var h = date.getHours()+""; if(h.length == 1) h = "0" + h;
		var i = date.getMinutes()+""; if(i.length == 1) i = "0" + i;
		var s = date.getSeconds()+""; if(s.length == 1) s = "0" + s;
		return y + "-" + m + "-" + d + " " + h + ":" + i + ":" + s;
	},
	add_p: function (name, v)
	{
		var href = location.href;
		var idx = href.indexOf("?"+name+"=");
		if(idx == -1) idx = href.indexOf("&"+name+"=");
		if(idx != -1) {
			var idx2 = href.indexOf("&", idx+1);
			if(idx2 == -1) {
				href = href.substr(0, idx);
			} else {
				href = href.substr(0, idx) + href.substr(idx2);
			}
		}
		if(href.indexOf("?") == -1) href = href.replace("&", "?");
		if(href.substr(href.length-1) == "?") href = href.substr(0, href.length-1);
		if(v != '') {
			if(href.indexOf("?") == -1) href+="?"+name+"="+v;
			else href+="&"+name+"="+v;
		}
		location.href = href;
	},
	httpPost: function(URL, PARAMS, target) {
		var temp = document.createElement("form");
		temp.action = URL;
		temp.method = "post";
		temp.target = target;
		temp.style.display = "none";

		for (var x in PARAMS) {
			var opt = document.createElement("textarea");
			opt.name = x;
			opt.value = PARAMS[x];
			temp.appendChild(opt);
		}

		document.body.appendChild(temp);
		temp.submit();

		return temp;
	}
};