function tellafriend(url) {
  myWin= open(url, "tellafriend",
    "width=260,height=250,status=no,toolbar=no,menubar=no");
}

var saveWidth = 0;

function scaleImg(what){
    what = document.getElementById(what);

    if (navigator.appName=="Netscape")
    winW = window.innerWidth;

    if (navigator.appName.indexOf("Microsoft")!=-1)
    winW = document.body.offsetWidth;

    if (what.width>(768) || saveWidth>(768)) {
        if (what.width==(768))
        what.width=saveWidth;
        else {
            saveWidth = what.width;
            what.style.cursor = "pointer";
            what.width=(768);
        }
    }
}