function MM_preloadImages() {
	var d = document;
	if(d.images) {
	 	if(!d.MM_p)
			d.MM_p = new Array();
		var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
		for(i=0; i<a.length; i++) {
	 		d.MM_p[j] = new Image;
			d.MM_p[j++].src=a[i];
		}
	}
}

function setImage(imgName, imgSrc){
	if (document && document.images && document.images[imgName])
		document.images[imgName].src = imgSrc;
}