/*
 * This is the pop up window for playing Vedio/Audio
 */    
 
function openwindow(url,w,h)
{
    window.open(url,"my_new_window","toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, width="+w+", height="+h);
}


 /*
 * This code is for toggleLayer
 */    
 
function toggleLayer(tLayer)
{
    var elem,vis;
    if(document.getElementById){
                elem=document.getElementById(tLayer);//for standard
    }else if(document.all){
                elem=document.all[whichLayer];//for old msie
    }else if(document.layers){
                elem=document.layers[whichLayer];//for nn4
    }

    vis = elem.style;

    if(vis.display=='' && elem.offsetWidth!=undefined && elem.offsetHeight!=undefined)
                vis.display = (elem.offsetWidth!=0 && elem.offsetHeieght!=0)?'block':'none';
                vis.display = (vis.display=='' || vis.display=='block')?'none':'block';

}//END toggleLayer