var imgPreload = new Array();
//var delay = 10000; // time delay between rotates, 1000 = 1 second
//var noOfImgs = 3; // number of images
//var imgNo=0;

function preloadImages(strPath) {

	if (document.images) {
		
		// set image url
		arrImages = new Array();
		arrImages[0] = "/images/icon_getinfo.jpg";
		arrImages[1] = "/images/icon_getinfo_over.jpg";
		arrImages[2] = "/images/icon_studentforum.jpg";
		arrImages[3] = "/images/icon_studentforum_over.jpg";
		arrImages[4] = "/images/icon_techblog.jpg";
		arrImages[5] = "/images/icon_techblog_over.jpg";
		arrImages[6] = "/images/icon_youtube.jpg";
		arrImages[7] = "/images/icon_youtube_over.jpg";
		arrImages[8] = "/images/icon_facebook.jpg";
		arrImages[9] = "/images/icon_facebook_over.jpg";
		arrImages[10] = "/images/icon_twitter.jpg";
		arrImages[11] = "/images/icon_twitter_over.jpg";
		var i = 0;
		for(i=0; i<12; i++) {
			imgPreload[i] = new Image();
			imgPreload[i].src = arrImages[i];
		}
	}
}