if (document.all) 
	{ 
		layerRef='document.all' 
		styleRef='.style.' 
	} 
	else if (document.layers) 
	{ 
		layerRef='document.layers' 
		styleRef='.' 
	}
	
	// show DIV
	function showLayerTo(lname) {
		
		eval(layerRef+'["'+lname+'"]'+styleRef+'display="block"');
	}
		
	// hide DIV
	function hideLayerTo(lname) {
		
		eval(layerRef+'["'+lname+'"]'+styleRef+'display="none"');
	}
	
	function toggleLayer(lname) {

		var layerName = "opinion"+lname+"conts";

		if (document.all["opinion"+lname+"conts"].style.display == "none") {

			showLayerTo(layerName);

		} else if (document.all["opinion"+lname+"conts"].style.display == "block") {

			hideLayerTo(layerName);
		}
		
		//hideNum(lname);	     // ÇØ´ç ÇÔ¼ö CS¿¡ Á¤ÀÇ
	}