//for preloading images,
//ex: preload('quickCarOn','img/obe/tab_car_on.gif'); 
function preload(imgObj,imgSrc) {
	if (document.images) {
		eval(imgObj+' = new Image()');
		eval(imgObj+'.src = "'+imgSrc+'"');
	}
}


//swap image
function rolla(bild,ny) {
	if (document.images) {
		document.images[bild].src = eval(ny+'.src');
	}
}

// create an array from a list oc comma separated values
function makeArray() {
     for (i = 0; i<makeArray.arguments.length; i++)
          this[i + 1] = makeArray.arguments[i];
}