$(document).ready(function(){
	var offState = $("#submit").attr("src");
	$("#submit").hover(
		function(){
			var srcSplitter = new Array();
			srcSplitter = offState.split(".gif");
    		var onState = srcSplitter[0]+"_over.gif";
			$(this).attr("src", onState);
		},
		function(){
			$(this).attr("src", offState);
		}
	);
		
});