function changeImg(obImg,sNewURL)
{
	if(sNewURL!="") obImg.src=sNewURL;
}

function isValidEmailAddress(strEmail) 
{   
	var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(strEmail)) return true;
	else return false;
}

function searchcheck()
{
	if (document.myform.keyword.value==""||document.myform.keyword.value=="请输入关键字")
	{
		alert("请输入您的搜索关键字！");
		document.myform.keyword.focus();
		return false;
	}	
	return true;
}

//选择产品尺寸,单品页
function chooseThisSize(obj,proCode,proSize)
{
    OperStyle(obj);    
    document.getElementById('yes1').onclick=null;
    $("#yes1").unbind('click');
    $("#yes1").click(function()
    {
        var urlStr = '/AddCart.asp?pid='+proCode+'&psize='+proSize;
        top.location.href = urlStr;
    });       
}
//操作样式
var OperStyle = function(obj)
{
    for(var i=0;i<obj.parentNode.childNodes.length;i++)
    {
        if(obj.parentNode.childNodes[i].className == 'current')
        {
            obj.parentNode.childNodes[i].className = '';
        }
    }    
    $('#sizeSpan1').html(obj.innerHTML);
    obj.className = "current";     
}
var NoSizeFun = function()
{
    alert('请选择尺寸');
    return false;
}
function AddToWishList(pid)
{
	location.href="AddWishList.asp?PId="+pid+"";
}
function regInput(obj, reg, inputStr)
{
	var docSel	= document.selection.createRange()
	if (docSel.parentElement().tagName != "INPUT")	return false
	oSel = docSel.duplicate()
	oSel.text = ""
	var srcRange	= obj.createTextRange()
	oSel.setEndPoint("StartToStart", srcRange)
	var str = oSel.text + inputStr + srcRange.text.substr(oSel.text.length)
	return reg.test(str)
}

function getHttpObject() 
{
	var objType = false;
    try
	{
        objType = new ActiveXObject('Msxml2.XMLHTTP');
    } 
	catch(e) 
	{
        try
		{
            objType = new ActiveXObject('Microsoft.XMLHTTP');
        } 
		catch(e) 
		{
            objType = new XMLHttpRequest();
        }
    }
    return objType;
}

function changeBanner()
{
	var theHttpRequest = getHttpObject();
	var serverAddress = "Banner.asp";
	theHttpRequest.onreadystatechange = function() {processAJAX();};
	theHttpRequest.open("POST", serverAddress, true);
	theHttpRequest.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
	theHttpRequest.send();

	function processAJAX()
	{
		if (theHttpRequest.readyState == 4) 
		{
			if (theHttpRequest.status == 200)
			{
				var data=unescape(theHttpRequest.responseText);
				if(data!="")
				{
					document.getElementById('bgtable').style.cssText=data;
				}											
			} 				
		}
	}
}

function CheckForm()
{
	if(document.Login.UserName.value=="")
	{
		alert("请输入用户名！");
		document.Login.UserName.focus();
		return false;
	}
	if(document.Login.Password.value == "")
	{
		alert("请输入密码！");
		document.Login.Password.focus();
		return false;
	}	
}