var xmlhttp;
function logincheck1(url,divname)
{
	if (window.ActiveXObject){xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");}
	else if(window.XMLHttpRequest){xmlhttp = new XMLHttpRequest();}
	xmlhttp.onreadystatechange = function(){
		if(xmlhttp.readyState == 0)
		{document.getElementById(divname).innerHTML = "<table width='182' height='73' border='0' align='center' cellpadding='0' cellspacing='0'><tr><td><img border=0 src='/images/loading.gif' /></td></tr></table>";}
		if(xmlhttp.readyState == 1)
		{document.getElementById(divname).innerHTML = "<table width='182' height='73' border='0' align='center' cellpadding='0' cellspacing='0'><tr><td><img border=0 src='/images/loading.gif' /></td></tr></table>";}
		if(xmlhttp.readyState == 2)
		{document.getElementById(divname).innerHTML = "<table width='182' height='73' border='0' align='center' cellpadding='0' cellspacing='0'><tr><td><img border=0 src='/images/loading.gif' /></td></tr></table>";}
		if(xmlhttp.readyState == 3)
		{document.getElementById(divname).innerHTML = "<table width='182' height='73' border='0' align='center' cellpadding='0' cellspacing='0'><tr><td><img border=0 src='/images/loading.gif' /></td></tr></table>";}
		if(xmlhttp.readyState == 4)
		{
			if(xmlhttp.status == 200)
			{	//alert(xmlhttp.responseText);
				if (xmlhttp.responseText == "true")
				{window.open('MemberCenter.asp','_top');}
				else
				{
					var resptext;
					resptext=xmlhttp.responseText.toUpperCase();
					//alert(resptext.substr(0,7));
					if(resptext.substr(0,7)=="HTTP://") 
					{window.open(xmlhttp.responseText,'_top');}
					else
					{document.getElementById(divname).innerHTML = xmlhttp.responseText;}
				}
			}
			else
			{document.getElementById(divname).innerHTML = "<table width='182' height='73' border='0' align='center' cellpadding='0' cellspacing='0'><tr><td><font color=red>处理程序出现异常，验证失败!</font></td></tr></table>";}
		}
	}
	xmlhttp.open("GET","/c.asp?"+url,true);
	xmlhttp.send(null);
}					
function CheckReg()
{
	if (RegUser.u.value.length==0)
	{
		alert('请填写会员名!');
		RegUser.u.focus();
		return false;
	}
	if (RegUser.p.value.length==0)
	{
		alert('请填写登录密码!');
		RegUser.p.focus();
		return false;
	}
	if (RegUser.v.value.length==0)
	{
		alert('请填写验证码');
		RegUser.v.focus();
		return false;
	}	
}
function checksearch()
{
	if(formsearch.keyword.value=="")
	{
		alert('请输入搜索关键字！');
		formsearch.keyword.focus();
		return false;
	}
}