function display(a) 
        {
     	if (navigator.appName.indexOf("Netscape")>-1)  
     	 {
          document.getElementById(a).style.left=a.pageX+50;
       	  document.getElementById(a).style.top=a.pageY+10;      	
          document.getElementById(a).style.visibility="visible";
         }      	
     	else
     	 {document.getElementById(a).style.left=event.clientX+50;
       	  document.getElementById(a).style.top=event.clientY+document.body.scrollTop+10;
          document.getElementById(a).style.visibility="visible";	
          }        
        }

function hide(a) 
        {
	document.getElementById(a).style.visibility="hidden";
        }