function newImage(arg) {
    if (document.images) {
        rslt = new Image();
        rslt.src = arg;
        return rslt;
    }
}

function changeImages() {
    if (document.images) {
        for (var i=0; i<changeImages.arguments.length; i+=2) {
            document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
        }
    }
}

var preloadFlag = false;
function preloadImages() {

        preloadFlag = true;

}

var portraitwindow;
function showpicportrait(url)
{
    portraitwindow=window.open(url,'ugclpicportrait','height=370,width=270,resizable=false,scrollbars=false,toolbar=false,menubar=false,location=false,dependant=true');
    if (window.focus) {portraitwindow.focus()};
}

var landscapewindow;
function showpiclandscape(url)
{
    landscapewindow=window.open(url,'ugclpiclandscape','height=290,width=370,resizable=false,scrollbars=false,toolbar=false,menubar=false,location=false,dependant=true');
    if (window.focus) {landscapewindow.focus()};
}