function toggleLayer( whichLayer )
{  
    var elem, vis;  
    if( document.getElementById ) // this is the way the standards work    
    elem = document.getElementById( whichLayer );  
    else if( document.all ) // this is the way old msie versions work      
    elem = document.all[whichLayer];  
    else if( document.layers ) // this is the way nn4 works    
    elem = document.layers[whichLayer];  
    vis = elem.style;  
    // if the style.display value is blank we try to figure it out here  
    if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)    
    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';  
    vis.display = (vis.display==''||vis.display=='block')?'none':'block';
    
    }


function showContent(vThis)
{
// http://www.javascriptjunkie.com
// alert(vSibling.className + " " + vDef_Key);
vParent = vThis.parentNode;
vSibling = vParent.nextSibling;
while (vSibling.nodeType==3) { // Fix for Mozilla/FireFox Empty Space becomes a TextNode or Something
vSibling = vSibling.nextSibling;
};
if(vSibling.style.display == "none")
{
vThis.src="images/collapse.gif";
vThis.alt = "Hide Div";
vSibling.style.display = "block";
} else {
vSibling.style.display = "none";
vThis.src="images/expand.gif";
vThis.alt = "Show Div";
}
return;
}