function sub_form() {
	error_msg = "";
	destination = document.getElementById("hd").value;
	hn = document.getElementById("hname").value;

	if(destination=="" && hn=="") { error_msg += "<li>Please Specify a Destination or a Hotel name</li>";} 
	if(destination.length < 3 && hn=="") { error_msg += "<li>The Destination must have at least 3 characters</li>";} 
	if(error_msg!="") { open_error_win(error_msg); return false;}
	else return true;	
}