String.prototype.trim = function(){ return this.replace(/^\s+|\s+$/g,"")} 
var bSubmit = true;
function SearchClick(e)
{
    var ev = window.event||e;
    var keyCode = ev.keyCode;
    bSubmit = false;
    var strSearchValue = document.getElementById("txtKeyWord").value;
    if(strSearchValue.trim() == ""){alert("搜索内容不能为空！");return false;}
    else{document.location= GetRequestUrl+"/Product/ProductSearch.aspx?keyword=" +escape(strSearchValue);return false;}
    return true;
}
function EnterClick(e)
{
    var ev = window.event||e;
    var keyCode = ev.keyCode ;
    bSubmit = false;
    var strSearchValue = document.getElementById("txtKeyWord").value;
    if((keyCode>=16 && keyCode<=18) || keyCode==8 || keyCode==20){return false;}
    if(strSearchValue.trim() == "")
    {
        if(keyCode!=32 && keyCode<65 && keyCode<48 && keyCode>57){alert("搜索内容不能为空！");}return false;
    }
    return false;
}
function EnterKeyDown(e)
{
    bSubmit = false;
    var ev = window.event||e;
    var keyCode = ev.keyCode;
    var strSearchValue = document.getElementById("txtKeyWord").value;
    if(keyCode==13)
    {
        if(strSearchValue.trim() == ""){alert("搜索内容不能为空！");return false;}
        else{document.location= GetRequestUrl+"/Product/ProductSearch.aspx?keyword=" +escape(strSearchValue);}
    }
}
function DivShow(i){document.getElementById("div"+i).style.display="block";}
function DivNone(i){document.getElementById("div"+i).style.display="none";}
function IsSubmit(){if(bSubmit){return true;}else{return false;}}
function GetUserLogin()
{
    $.ajax
    ({ 
        type: "get", 
        url: GetRequestUrl+"/AjaxCommon.aspx",
        data: "RequestType=GetUserLogin",
        dataType: "xml",
        cache: false,
        async: true,
        error: function(xml){
            alert('Error loading XML document'+xml);
        },
        success: function(data)
        {
            if($(data).find("Item:eq(0)").text()=="0")
            {
                $("div[id$='plLogin']").hide();
                $("div[id$='plLogout']").show();
                $("label[id$='lbEmail']").html($(data).find("Item:eq(1)").text());
            }
            else
            {
                $("div[id$='plLogin']").show();
                $("div[id$='plLogout']").hide();
            }
        }
    });
}