<!--
String.prototype.trim = function()
{
	return this.replace(/(^\s*)|(\s*$)/g, "");
}

function GE(a){return document.getElementById(a);}

function log_out(f)
{
	ht = document.getElementsByTagName("body");
	ht[0].style.filter = "progid:DXImageTransform.Microsoft.BasicImage(grayscale=1)";
	if (confirm('您确定要退出登陆吗？'))
	{
		if(f)	// 首页退出
			window.location.href="/Programs/login.php?do=logout";
		else	// 用户中心退出
			window.frames["ajax_run"].location.href="/manage/ajax_manage_login.php?do=logout";
		ht[0].style.filter = "";
	}
	else
	{
		ht[0].style.filter = "";
	}
}

// *************************
// 只允许输入数字
function input_only_number(obj)
{
	if(event.keyCode == 13)
		return true;
	if(event.keyCode <48 || event.keyCode >57)
		return false;
	else
		return true;
}

function IsColor(color){
	var temp=color;
	if (temp=="") return true;
	if (temp.length!=7) return false;
	return (temp.search(/\#[a-fA-F0-9]{6}/) != -1);
}

function IsDigit(){
  return ((event.keyCode >= 48) && (event.keyCode <= 57));
}

// ********** 常用判断函数 **********
function IsURL(url){
	var sTemp;
	var b=true;
	sTemp=url.substring(0,7);
	sTemp=sTemp.toUpperCase();
	if ((sTemp!="HTTP://")||(url.length<10)){
		b=false;
	}
	return b;
}

function IsExt(url, opt){
	var sTemp;
	var b=false;
	var s=opt.toUpperCase().split("|");
	for (var i=0;i<s.length ;i++ ){
		sTemp=url.substr(url.length-s[i].length-1);
		sTemp=sTemp.toUpperCase();
		s[i]="."+s[i];
		if (s[i]==sTemp){
			b=true;
			break;
		}
	}
	return b;
}

function IsEmail(varEmail)
{
//	varEmail = varEmail.trim();
	if(varEmail == "") return false;
	if(varEmail.indexOf("@") < 0 || varEmail.indexOf(".") < 0) return false;
	return true;
}

function IsNumber(oNum) 
{ 
	if(!oNum) return false; 
	var strP=/^\d+(\.\d+)?$/; 
	if(!strP.test(oNum)) return false; 
	try{ 
		if(parseFloat(oNum)!=oNum) return false; 
	} 
	catch(ex) 
	{ 
		return false; 
	} 
	return true; 
}

// ajax窗口
function show_ajax_dialog(o,cid,p)
{
	initfunction(o,cid,p);
}

// 投票
function index_vote1(o)
{
	var c = document.frmvote;
	var ret = '';
	if(c.is_many.value == 1)			// 多选
	{
		var elements=c.elements;
		var counter=elements.length;
		for(i=0;i<counter;i++)
		{
			var element=elements[i];
			if(element.type=="checkbox" && element.checked == true)
			{
				ret += element.value;
			}
		}
	}
	else
	{
		var r=c.vote1;
		for(i=0;i<r.length;i++)
		{
			if(r[i].checked) ret = r[i].value;
		}
	}

	if(ret.length == 0)
	{
		alert("请至少选择一种投票项目!");
		return false;
	}
	else
	{
		c.submit();
	}

}

function index_vote2(o)
{
	var c = document.frmvote.id;
	window.open("/Programs/vote.php?id="+c.value);
}

function img_zoom(o)
{
	alert(o.src);
	var zoom=parseInt(o.style.zoom, 10)||100;zoom+=event.wheelDelta/12;if (zoom>0) o.style.zoom=zoom+'%';
	return false;
}

// 判断客户端使用的浏览器
function browseinfo()
{
	if (window.navigator.userAgent.indexOf("MSIE")>=1)
	{
		return "ie";
	}
	else if(window.navigator.userAgent.indexOf("Firefox")>=1)
	{
		return "firefox";
	}
	else if(window.navigator.userAgent.indexOf("opera")>=1)
	{
		return "opera";
	}
	else
	{
		setActiveStyleSheet("newsky.css");
	}
}
-->