JSArr = new Array;

JSArr[0] = 'images/building.gif';
JSArr[1] = 'images/over1.jpg';
JSArr[2] = 'images/over2.jpg';
JSArr[3] = 'images/over3.jpg';
JSArr[4] = 'images/over4.jpg';
JSArr[5] = 'images/building.gif';
JSArr[6] = 'images/building.gif';

JSImg = new Array;
function JSimageload(){
    for (i=0; i<JSArr.length; i++){
        JSImg[i] = new Image();
        JSImg[i].src = JSArr[i];
    }
}

JSApp = navigator.appName;

if (JSApp == "Netscape"){
    JSBVer = parseInt(navigator.appVersion.substring(0,4));
}

if (JSApp == "Microsoft Internet Explorer"){
    JSBVer = parseInt(navigator.appVersion.substring(21,25));
}

JSBok = ((JSApp == "Netscape" || JSApp == "Microsoft Internet Explorer") && JSBVer >= 3);

function JSIShow(i, mo_img) {
    if (self.document.images && JSBok){
        self.document.images[mo_img].src = JSImg[i].src;
    }
    return true;
}