ns4 = document.layers
			ie4 = document.all 
			nn6 = document.getElementById && !document.all 
			function hideObject(id) {
				   if (ns4) {
				      document.id.visibility = "hide";
				   }
				   else if (ie4) {
				      document.getElementById(id).style.visibility = "hidden";
				   }
				   else if (nn6) {
				      document.getElementById(id).style.visibility = "hidden";
				   }
				}


				function showObject(id) {
				   if (ns4) {
				      document.id.visibility = "show";
				   }
				   else if (ie4) {
				      bublina=document.getElementById(id);
				      bublina.style.visibility = "visible";
					pozicex=(event.screenX);
					pozicey=(event.screenY);
					vyskam=(screen.height);
  					bublina.style.top=-131+"px";
					bublina.style.left=-150+"px"; 		
		    

				   }
				   else if (nn6) {
				      document.getElementById(id).style.visibility = "visible";
				   }
				}