/**
 * Simple Rollover[single]
 * @author Tenderfeel(tenderfeel@gmail.com)
 * @ver 1.1
 * @HOME http://tenderfeel.xsrv.jp/javascript/271/
 * @license The MIT License
 */
window.onload =function(){
    var myImg = document.getElementById("thumb").getElementsByTagName("img");
    var regrep = "_thumb";
    var newimg = [];
    var  replaceImage = function(e){
        var el = e.target || e.srcElement;
        var href = el.src.replace(regrep,"");
        document.getElementById('rollover_view').src = href;
        if(e.preventDefault){ e.preventDefault(); }
        return false;
    };
    
    for (var i = 0; i <myImg.length; i++) {
        newimg[i] = new Image();
        newimg[i].src = myImg[i].src;
        
        if(myImg[i].addEventListener){
            myImg[i].addEventListener("mouseover", replaceImage, false);
        }else{
            myImg[i].attachEvent("onmouseover", replaceImage);
        }
    }
};