function movepic(img_name, img_src) {
    document[img_name].src=img_src;
}				


function lightup(imageobject, opacity){
 if (navigator.appName.indexOf("Netscape")!=-1 && parseInt(navigator.appVersion)>=5)
    imageobject.style.MozOpacity=opacity/100

 else if (navigator.appName.indexOf("Microsoft")!= -1 && parseInt(navigator.appVersion)>=4)
    imageobject.filters.alpha.opacity=opacity
}