// This script is intended for use with a minimum of Netscape 4 or IE 4.
var ie4=document.all&&!document.getElementById;
var ns4=document.layers;
var DOM2=document.getElementById;
var opera=(navigator.userAgent.indexOf("Opera")!=-1)?true:false

if (document.layers) {
	visible = 'show';
	hidden = 'hide';
}
else if (document.all) {
	visible = 'visible';
	hidden = 'hidden';
}
else if (DOM2) {
	visible = "visible";
	hidden = "hidden";	
}
 

var isNav, isIE;
if (parseInt(navigator.appVersion) >= 4)
{ if (navigator.appName == "Netscape")
   { isNav = true }
   else
   { isIE = true }
}

function thumb1swap(newmain,caption) 
{ 	
	document.images["mainimg"].src=newmain;
 
	if (DOM2){
		document.getElementById("caption").innerHTML = caption;
	}
	else if (ie4)
		document.all.help.innerHTML = caption;
	else if (ns4){
		document.layers.caption.document.write(caption);
		document.layers.caption.document.close();
	}	
}

function hotdetswap(newmain) 
{ 	
	document.images["mainimg"].src=newmain;
}

function printPage() {
  if (window.print)
    window.print()
  else
    alert("Sorry, your browser doesn't support this feature.");
}

function HotelSel(){
	if (document.HotelSelect.Reference.value == "")
	{
	alert("Please Select a hotel");
	return false;
	}
}

var newwin;

function launchwin(winurl,winname,winfeatures)
{
	//This launches a new window and then
	//focuses it if window.focus() is supported.
	newwin = window.open(winurl,winname,winfeatures);
	if(javascript_version > 1.0)
	{
		//delay a bit here because IE4 encounters errors
		//when trying to focus a recently opened window
 		setTimeout('newwin.focus();',250);
	}
}

function showLayer(layername)
{		
	if(opera) 
	{ document.getElementById(layername).style.visibility = visible;}
	else if (DOM2)
	{ document.getElementById(layername).style.visibility = visible; }
	else if (isNav)
	{ document.layers[layername].visibility = visible;}
	else //Must be IE
	{ document.all[layername].style.visibility = visible;}
} 
 
function hideLayer(layername)
{	
	if(opera)
	{ document.getElementById(layername).style.visibility = hidden;}
	else if (DOM2)
	{ document.getElementById(layername).style.visibility = hidden;}
	else if (isNav)
	{ document.layers[layername].visibility = hidden;	}
	else //Must be IE	
	{ 	document.all[layername].style.visibility = hidden;}
}

function checkAll(field)
{
for (i = 0; i < field.length; i++)
	field[i].checked = true ;
}

function uncheckAll(field)
{
for (i = 0; i < field.length; i++)
	field[i].checked = false ;
}