if (document.images) {

	var imageURL = new Array("gfx/zippbilde1.png","gfx/zipper001.png",
				 "gfx/zipper002.png","gfx/zipper003.png",
				 "gfx/zipper004.png","gfx/zipper005.png",
				 "gfx/zipper006.png","gfx/zipper007.png",
				 "gfx/zipper008.png","gfx/zipper009.png");
	var imageInfo = new Array();

	for(i=0;i<imageURL.length;i++)
	{
		imageInfo[i] = new Image();
		imageInfo[i].src = imageURL[i];
	}

}
function rullover(id) { 
	if (document.images) {
		document.zipp1.src= eval("imageInfo[" + id + "].src");

	}
}
function rullav() {
	if (document.images) document.zipp1.src=imageInfo[0].src;
}