function fontSize(w) {
    var defaultSize = "12px";
    var sizes = Array("12px", "16px", "20px");
    var size = document.body.style.fontSize;
    var changed = false;
    if (!size) size = defaultSize;
    if (w == "+") {
        for (i = 0; i < sizes.length; i++) {
            if (size == sizes[i]) {
                var next = sizes.length - 1;
                if (i < sizes.length - 2) next = i + 1;
                document.body.style.fontSize = sizes[next];
            }
        }
    } else {
        for (i = sizes.length - 1; i >= 0 ; i--) {
            if (size == sizes[i]) {
                var prev = i - 1;
                if (prev < 0) prev = 0;
                document.body.style.fontSize = sizes[prev];
            }
        }
        
    }
    return false;
}

function PopupPic(sPicURL) {
       window.open("popup.html?"+sPicURL, "",  "resizable=1,HEIGHT=200,WIDTH=200");
}