function checkfield(url)
{
	var err="";
	
	if (ValidatorTrim(document.loginform.cls_client_login_userName.value)=="")
		err+="User ID is required field \n";
	if (ValidatorTrim(document.loginform.cls_client_login_password.value)=="")
		err+="Password is required field";
	
	if (err!="") 
	{
		alert(err);
		return false;
	}
	else
	{
		document.loginform.cls_client_login_hdnSubmited.value="1";
		document.loginform.cls_client_login_hdnAction.value="LI";
		document.loginform.submit();
		return true;
	}
}