function smartRollover() {   
    if(document.getElementsByTagName) {   
        var images = document.getElementsByTagName("img");   
        for(var i=0; i < images.length; i++) {   
            if(images[i].getAttribute("src").match("_off."))   
            {   
                images[i].onmouseover = function() {   
                    this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));   
                }   
                images[i].onmouseout = function() {   
                    this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));   
                }   
            }   
        }   
    }   
}   
if(window.addEventListener) {   
    window.addEventListener("load", smartRollover, false);   
}   
else if(window.attachEvent) {   
    window.attachEvent("onload", smartRollover);   
}

 
<!--
/* for iframe disp auto Height size */
function GetHeight(IFID,NAME){
    var app = navigator.appName.charAt(0);
    if(navigator.userAgent.indexOf('Safari') != -1){
        document.getElementById(IFID).height = parent.frames[NAME].document.body.scrollHeight + 80;
    }else if (app == "N")
    {
        document.getElementById(IFID).height = parent.frames[NAME].document.height +1;
    }
    else
    {
        document.getElementById(IFID).height = parent.frames[NAME].document.body.scrollHeight + 1;
    }
}
/* for window of girl's photo */
function disp(url){
	window.open(url,"photo","width=900,height=665");
}
// -->