function initRollOverImages() {
	var image_cache = new Object();
	$("img.roll").each(function(i) {
		var imgsrc = this.src;
		var dot = this.src.lastIndexOf('.');
		var imgsrc_on = this.src.substr(0, dot) + '_on' + this.src.substr(dot, 4);
		image_cache[this.src] = new Image();
		image_cache[this.src].src = imgsrc_on;
		$(this).hover(
		function() { this.src = imgsrc_on; },
		function() { this.src = imgsrc; });
	});
}
/*
function picZoomUp() {
	$('.picGallery a').lightBox();
}
*/
$(document).ready(initRollOverImages);
//$(document).ready(picZoomUp);