function entsub(myform) {
  if (window.event && window.event.keyCode == 13)
  	uservalidation();
  else
    return true;
}
function uservalidation()
{
	var username=document.getElementById("uname").value;
	var userpass=document.getElementById("userpassword").value;
	
	if(username=="")
	{
		alert("Please Enter Your User Name");
		return (false);
	}
	else if(userpass=="")
	{
		alert("Please Enter Your Password");
		return (false);
	}
	else
	{
		//window.location.href="../includes/checkin.php?uname="+username+"&upassword="+userpass;
		return true;
	}
	
}