function $get(id) {
    return document.getElementById(id);
}

/*Show and hide panel*/
function ShowMenu(panel){
 Menu= $get(panel);
 Menu.style.display = 'block';
 TO=setTimeout('Menu.style.display=\'none\';',2000);
}

function HideMenu(panel)
{
    Menu= $get(panel);
    TO=setTimeout('Menu.style.display=\'none\';',1500);
}

function showpanel(panel) {
    $get(panel).style.display = 'block';
}
function hidepanel(panel) {
    $get(panel).style.display = 'none';
}
function isShowPanel(panel)
{
    if($get(panel).style.display == 'block')
        return true;
    else
        return false;
}

var newwindow;
function popupWindow(url, height, width) {
    newwindow = window.open(url, 'popup', 'height=' + height + ',width=' + width + ',resizable=0,scrollbars=no,location=no');
    if (window.focus) { newwindow.focus() }
}