function setBackground(objRef, newBackgroundImage) {
    if (objRef && objRef.style && objRef.style.backgroundImage)
    { objRef.style.backgroundImage = 'url(' + newBackgroundImage + ')'; } 
}
function setSrc(objRef, newSrc) {
    if (objRef && objRef.src)
    { objRef.src = newSrc; } 
}
function openPic(picUrl)
{ window.open('OpenPic.axd?filename=' + picUrl, 'pic', 'location = no, directories = no, location = no, menubar = no, resizable = yes, scrollbars = no, status = no, titlebar = no, toolbar = no', true); }
function toggleDisplay(id) {
    var objRef = document.getElementById(id); if (objRef) {
        if (objRef.style.display == 'none') { objRef.style.display = ''; }
        else { objRef.style.display = 'none' } 
    } 
}
function setDisplay(id, show) {
    var objRef = document.getElementById(id); if (objRef) {
        if (show) { objRef.style.display = ''; }
        else { objRef.style.display = 'none'; } 
    } 
}