var isDOM=document.getElementById?1:0;
var isIE=document.all?1:0;
var isNS4=navigator.appName=='Netscape'&&!isDOM?1:0;

var preloaded = new Array(); 
 function preload_images() { 
     for (var i = 0; i < arguments.length; i++){ 		
		     preloaded[i] = document.createElement('img'); 
         preloaded[i].setAttribute('src',arguments[i]); 
     }; 
 }; 
 
 preload_images( 
		'images/menu/biljetter_off.gif',
		'images/menu/biljetter_on.gif',
		'images/menu/biljetter_sel.gif',
		'images/menu/matdryck_off.gif',
		'images/menu/matdryck_on.gif',
		'images/menu/matdryck_sel.gif',
		'images/menu/moteplast_off.gif',
		'images/menu/moteplast_on.gif',
		'images/menu/moteplast_sel.gif',
		'images/menu/omoss_off.gif',
		'images/menu/omoss_on.gif',
		'images/menu/omoss_sel.gif',
		'images/menu/startsida_off.gif',
		'images/menu/startsida_on.gif',
		'images/menu/startsida_sel.gif',
		'images/menu/upplevelser_off.gif',
		'images/menu/upplevelser_on.gif',
		'images/menu/upplevelser_sel.gif',
		'images/dot_yellow.gif'
 );