function hideLayer(whichLayer) {
        if (document.getElementById) { // standard
             document.getElementById(whichLayer).style.visibility = "hidden";
        }
        else if (document.all) {// old msie
             document.all[whichlayer].style.visibility = "hidden";
        }
        else if (document.layers) {// nn4
             document.layers[whichLayer].visibility = "hidden";
        }
}

function showLayer(whichLayer) {
        if (document.getElementById) { // standard
             document.getElementById(whichLayer).style.visibility = "visible";
        }
        else if (document.all) { // old msie
             document.all[whichlayer].style.visibility = "visible";
        }
        else if (document.layers) { // nn4
             document.layers[whichLayer].visibility = "visible";
        }
}



	var currentDiv = null;
	var currentImage = null;

	function ExpandBlock(id,image){
		/// EXPAND NEW DIV ///
		if( document.getElementById(id).style.visibility == 'hidden' ){
			document.getElementById(id).style.visibility='visible';
			document.getElementById(id).style.display='';
			document.getElementById(image).src = '/assets/images/misc/less.gif';

			/// COLLAPSE PREVIOUS DIV (IF ANY) ///
			if( currentDiv != null )
			{
				document.getElementById(currentDiv).style.visibility='hidden';
				document.getElementById(currentDiv).style.display='none';
				document.getElementById(currentImage).src = '/assets/images/misc/more.gif';
			}
			currentDiv = id;
			currentImage = image;
		}

		else{
			document.getElementById(id).style.visibility='hidden';
			document.getElementById(id).style.display='none';
			document.getElementById(image).src = '/assets/images/misc/more.gif';
			currentDiv = null;
			currentImage = null;
		}

	}