/*script per i tooltip*/

window.onload=enableTooltips;

function enableTooltips(){
var links=document.getElementById("titledLink");
t=links.getAttribute("title");
    if(t!=""){
        links.removeAttribute("title");
        links.style.position="relative";
        tooltip=document.createElement("em");
        tooltip.className="tooltip";
        tooltip.style.display="none";
        tooltip.appendChild(document.createTextNode(t));
        links.appendChild(tooltip);
        links.onmouseover=showTooltip;
        links.onmouseout=hideTooltip;
        }
    }


function showTooltip(event){
    this.style.zIndex="25";
    this.getElementsByTagName("em")[0].style.display="block";
    }

function hideTooltip(event){
    this.style.zIndex="24";
    this.getElementsByTagName("em")[0].style.display="none";
    }