//Only works for GIFs at the moment

$(document).ready(function(){
	
	$(".form_button").hover(
		function(){
			if($(this).attr("src").indexOf("_hover") == -1) {
				var newSrc = $(this).attr("src").replace(".gif","_hover.gif");
				$(this).attr("src",newSrc);
			}
		},
		function(){
			if($(this).attr("src").indexOf("_hover.gif") != -1) {
				var oldSrc = $(this).attr("src").replace("_hover.gif",".gif");
				$(this).attr("src",oldSrc);
			}
		}
	);

});