function checkit(e,f) {
	if (e.which) Key = e.which;
	else Key = e.keyCode;
	if(Key==13) {
		if(f=="advhtl") sub_form();
	}
} 
function sub_form() {	
	error_msg = "";	
	destination = document.getElementById("hotel_new_destination").value;	
	hotel_name = document.getElementById("hotel_name").value;
	
	checkin = document.getElementById("hotel_checkin_day").value+"/"+document.getElementById("hotel_checkin_months").value+"/"+document.getElementById("hotel_checkin_years").value;
	checkout = document.getElementById("hotel_checkout_day").value+"/"+document.getElementById("hotel_checkout_months").value+"/"+document.getElementById("hotel_checkout_years").value;
	
	if(document.getElementById("hotel_checkin_months").value<10) hcm = "0"+document.getElementById("hotel_checkin_months").value;
	else hcm = document.getElementById("hotel_checkin_months").value;
	if(document.getElementById("hotel_checkin_day").value<10) hcd = "0"+document.getElementById("hotel_checkin_day").value;
	else hcd = document.getElementById("hotel_checkin_day").value;
	hcy = document.getElementById("hotel_checkin_years").value;
	
	if(document.getElementById("hotel_checkout_months").value<10) hom = "0"+document.getElementById("hotel_checkout_months").value;
	else hom = document.getElementById("hotel_checkout_months").value;
	if(document.getElementById("hotel_checkout_day").value<10) hod = "0"+document.getElementById("hotel_checkout_day").value;
	else hod = document.getElementById("hotel_checkout_day").value;
	hoy = document.getElementById("hotel_checkout_years").value;
	
	chi = hcy+hcm+hcd;
	cho = hoy+hom+hod;
	
	cy = eval("year_"+hcy+"["+hcm+"][1]");
	if(hcd>cy) {error_msg += "<li>Please Check your dates. "+calendar_months_array[document.getElementById("hotel_checkin_months").value-1]+" "+hcy+" have "+cy+" days </li>";} 
		
	co = eval("year_"+hoy+"["+hom+"][1]");;
	if(hod>co) {error_msg += "<li>Please Check your dates. "+calendar_months_array[document.getElementById("hotel_checkout_months").value-1]+" "+hoy+" have "+co+" days </li>";} 
	
	if(chi>=cho && (hod!=0 || hcd!=0)) {error_msg +="<li>Please Check your dates. Checkin must be less than checkout</li>";} 
	
	if(hcd==0 || hcd=="") checkin="";
	if(hod==0 || hod=="") checkout="";
	
	destination_id = document.getElementById("hotel_destination_id").value;
		
	if(destination_id!="") destination="";
	
	if(document.getElementById("ai").checked==false) ai = 0;
	else ai = 1;
	if(document.getElementById("new").checked==false) new1 = 0;
	else new1 = 1;
	if(document.getElementById("sug").checked==false) sug = 0;
	else sug = 1;	
	if(document.getElementById("sp").checked==false) sp = 0;
	else sp = 1;	
	
	optional = ai+","+new1+","+sug+","+sp;
	
	chain = document.getElementById("chain").value;
	category = document.getElementById("category").value;
	type = document.getElementById("type").value;
	
	amenities ="";
		
	if(destination_id=="") {
		if(destination=="" && hotel_name=="") { error_msg += "<li>Please Specify a Destination or a Hotel name</li>";} 
		if(destination.length < 3 && hotel_name=="") { error_msg += "<li>The Destination must have at least 3 characters</li>";} 
	}

	
	if(error_msg!="") { open_error_win(error_msg);}
	else {document.location.href="advhtl.php?prms="+destination+"|"+hotel_name+"|"+checkin+"|"+checkout+"|"+destination_id+"|"+optional+"|"+chain+"|"+category+"|"+type+"|"+amenities;}
}