$(function() {
	$("#banner1, #banner2, #banner3").hover(
		function() {$(this).css("z-index", 100); $(this).animate({"width":347, "height":213 }, "fast"); },
		function() {$(this).animate({"width":245, "height":140 }, "fast");$(this).css("z-index", 2);}
	);
});