/**
 * rollOver on jQuery
 * rollOver tag:img,input
 * rollOver class:Over
 * rollOver FileName:*_o.*
 * Last modify:20081210
 * Licensed:MIT License
 * @author AkiraNISHIJIMA(http://nishiaki.probo.jp/)
 */

function rollOver(){
	var preLoad = new Object();
	$('img.Over,input.Over').not("[src*='_o.']").each(function(){
		var imgSrc = this.src;
		var fType = imgSrc.substring(imgSrc.lastIndexOf('.'));
		var imgName = imgSrc.substr(0, imgSrc.lastIndexOf('.'));
		var imgOver = imgName + '_o' + fType;
		preLoad[this.src] = new Image();
		preLoad[this.src].src = imgOver;
		$(this).hover(
			function (){
				this.src = imgOver;
			},
			function (){
				this.src = imgSrc;
			}
		);
	});
}
$(document).ready(rollOver);