function DoLogin(){
	var loginname = document.getElementById("loginname").value;
	var loginpwd = document.getElementById("loginpwd").value;
	if (loginname=="" || loginpwd=="")
	{
		document.getElementById("loginerrordiv").style.display="block";
		return;
	}

	$("#login_button").addClass("btn_login02");

	var url = "checklogin.php";
			$.ajax({
			type:'post',
			url:url,
			data:{action:"login",loginname:$("#loginname").val(),loginpwd:$("#loginpwd").val()},
			timeout:90000,
			beforeSend:function(){
				document.getElementById("loginerrordiv").style.display="none";
			},
			success:function(text){
				
				if (text=="ok"){
					
					//if (document.getElementById("chkremeberpwd").checked == true)
					//{
						SetCookie("loginname", loginname,60 * 24 * 365);
					//	SetCookie("loginpwd", loginpwd,60 * 24 * 365);
					//}
					//else{
					//	DelCookie("loginpwd");
					//}
				 	var redirecturl= GetCookie("redirecturl");
					if (redirecturl=="")
					{
						redirecturl="home.php";
					}
					window.location.href=redirecturl;
					SetCookie("redirecturl", "",60 * 24 * 365);
				}
				else{
					document.getElementById("login_button").className = "btn_login";
					document.getElementById("loginerrordiv").style.display="block";
					return;
				}
			},
			complete:function(){
			},
			error:function(){
				document.getElementById("login_button").className = "btn_login";
			}
		});
}