function CheckSearch(theForm) {
    if (theForm.Text.value == null)
        lsText = ""
    else
        lsText = theForm.Text.value;

    if (lsText == "")
        return false;

    return true;
}

function DoSearch() {
    if (CheckSearch(document.Search)) {
        document.Search.submit();
    }
}

function ChangeImage(img_name, img_src, title) {
   document[img_name].src = img_src;
   document[img_name].title = title;
}
function ReverseContentDisplay(d) {
   if(d.length < 1) { return; }
   if(document.getElementById(d).style.display == "none") { document.getElementById(d).style.display = "block"; }
   else { document.getElementById(d).style.display = "none"; }
}
function HideContent(d) {
    document.getElementById(d).style.display = "none";
}
function ShowContent(d) {
    document.getElementById(d).style.display = "block";
}