var ie  = (navigator.appName.toLowerCase().indexOf('microsoft') != -1);
var ns  = (navigator.appName.toLowerCase().indexOf('netscape') != -1);
var win = (navigator.platform.toLowerCase().indexOf('win') != -1);
var mac = (navigator.platform.toLowerCase().indexOf('mac') != -1);
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
function changeImages() {
	if (document.images) {
		for (var i=0; i < changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}
function popSlideWindow(u) {
   var w = 850; 
   var h = 602;
   var x = (screen.availWidth - w)/2;
   var y = (screen.availHeight - h)/2;
   if (ie && mac) { w -= 16; h -= 16; }
   var p = 'resizable,left=' + x + ',top=' + y + ',width=' + w + ',height=' + h;
   window.open(u, 'Slides', p);
}
var iMain = new Array();
var fMain = ['images/razzle_01.gif', 'images/razzle_02.gif', 'images/razzle_03.gif', 'images/razzle_04.gif', 'images/razzle_05.gif', 'images/razzle_06.gif', 'images/nav_01-over.gif', 'images/nav_02-over.gif', 'images/nav_01-Disabled.gif', 'images/nav_02-Disabled.gif', 'photos/europe.gif', 'photos/italy.gif', 'photos/morocco.gif', 'photos/se_asia.gif', 'photos/tahiti.gif']; 
function preloadMainImages() {
	if (document.images) {
      for(var i = 0; i < fMain.length; i++) {
         iMain[i] = newImage(fMain[i]);
      }
	}
}