pagesubmited = false;
	function login()
	{
	var err="";
	if (ValidatorTrim(document.loginform.clslogin_username.value)=="") err+="Screen Name is required field \n";
	if (ValidatorTrim(document.loginform.clslogin_password.value)=="") err+="Password is required field";
	if (err!="") {
		alert(err);
		//return false;
		}
	else
	{
		pagesubmited = true;
		document.loginform.clslogin_hdnsubmited.value="1";
		document.loginform.submit();
		}	
	}