<!--
function toggleDisplay(thisLayer){

	if(layerOn != thisLayer){ //not open yet, so open it...
		if(layerOn == "undefined"){//nothing currently open 
			showHideLayers(thisLayer);
			layerOn = thisLayer;
		}else{//a menu is currently open
			showHideLayers(thisLayer);
			showHideLayers(layerOn);
			layerOn = thisLayer;
		}
	}else{ //already open, so close it...
		showHideLayers(thisLayer);
		layerOn = "undefined";
	}
	
}
function showHideLayers(whichLayer){

	if (document.getElementById){
		// this is the way the standards work
		var style2 = document.getElementById(whichLayer).style;
		var style3 = document.getElementById(whichLayer+"_h").style; //for menu header background image
		style2.display = (style2.display=="none") ? "" : "none";
		style3.backgroundImage = (style3.backgroundImage=="url(../images/layout/lh_menu_top_2.gif)") ? "url(../images/layout/lh_menu_top_on.gif)" : "url(../images/layout/lh_menu_top_2.gif)";
	}
	else if (document.all){
		// this is the way old msie versions work
		var style2 = document.all[whichLayer].style;
		style2.display = (style2.display=="none") ? "" : "none";
	}
	else if (document.layers){
		// this is the way nn4 works
		var style2 = document.layers[whichLayer].style;
		style2.display = (style2.display=="none") ? "" : "none";
	}	
}
// -->