function Request(strName)
{
    var strHref = window.document.location.href;
    var intPos = strHref.indexOf("?");
    var strRight = strHref.substr(intPos + 1);

    var arrTmp = strRight.split("&");
    for(var i = 0; i < arrTmp.length; i++)
    {
        var arrTemp = arrTmp[i].split("=");

        if(arrTemp[0].toUpperCase() == strName.toUpperCase()) return arrTemp[1];
    }
    return "";
}
function getCookie(name)//取cookies函数        
{
    var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
    if(arr != null) return unescape(arr[2]); return null;
}

function createCookie(name,value,days) { 
    if (days) { 
        var date = new Date(); 
        date.setTime(date.getTime()+(days*24*60*60*1000)); 
        var expires = "; expires="+date.toGMTString(); 
    } 
    else var expires = ""; 
    document.cookie = name+"="+escape(value)+expires+"; path=/"; 
}
function readCookie(name) { 
    var nameEQ = name + "="; 
    var ca = document.cookie.split(';'); 
    for(var i=0;i < ca.length;i++) { 
        var c = ca[i]; 
        while (c.charAt(0)==' ') c = c.substring(1,c.length); 
        if (c.indexOf(nameEQ) == 0) return unescape(c.substring(nameEQ.length,c.length)); 
    } 
    return null; 
}

function checkAll(name)
{
	$("[id="+name+"]:checkbox").attr("checked","true");
}
function clearAll(name)
{
	$("[id="+name+"]:checkbox").attr("checked","");
}
function ReverseCheck(name)
{
	$("[id="+name+"]:checkbox").each(function(){this.checked=!this.checked;});
}

function IsEmail(str)
{
	if (str.length > 100)
	{
		return false;
	}
	var regu = "^(([0-9a-zA-Z_.]+)|([0-9a-zA-Z]+[_.0-9a-zA-Z-]*[0-9a-zA-Z_.]+))@([a-zA-Z0-9-]+[.])+([a-zA-Z]{2}|net|NET|com|COM|gov|GOV|mil|MIL|org|ORG|edu|EDU|int|INT)$"
	var re = new RegExp(regu);
	if (str.search(re) != -1) 
	return true;
	else 
	return false;
}

function GetRandomNum(Min,Max)	//获取随机数
{
var Range = Max - Min;
var Rand = Math.random();
return(Min + Math.round(Rand * Range));
}

function Menu(m,i)
{
	if(i=="Up")
	{
		$("#"+m).removeClass("MenuDown").addClass("MenuUp");
	}
	else
	{
		$("#"+m).removeClass("MenuUp").addClass("MenuDown");
	}
}

function errimg(obj, image) {
 obj.src = image;
 obj.onerror = null;
}