var root = "http://www.virtualsciencefair.org/2008/like8k2/";
function preloadImages(){
	if(document.images){
		var preload = new Image();
		var plImage = new Array();
		plImage[0] = "images/interface/buttons/bottomButtonOver.png";
		plImage[1] = "images/interface/buttons/middleButtonOver.png";
		plImage[2] = "images/interface/buttons/topButtonOver.png";
		plImage[3] = "images/interface/buttons/bottomButtonOver-s.png";
		plImage[4] = "images/interface/buttons/middleButtonOver-s.png";
		plImage[5] = "images/interface/buttons/topButtonOver-s.png";
		for(i=0;i<plImage.length;i++){
  			preload.src = root+plImage[i];
		}
	}
}