this.mostraImmagineNascostaAlMouseover = function() {
    /* CONFIG */

    xOffset = 50;
    yOffset = 30;

    // these 2 variable determine popup's distance from the cursor
    // you might want to adjust to get the right result

    /* END CONFIG */

    $("a.immagineNascosta").hover(function(e) {
        this.t = this.title;
        this.title = "";
        var c = (this.t != "") ? "<br/>" + this.t : "";
        $("body").append("<p id='immagineNascosta'><img src='" + this.rel.replace('~', '') + "' />" + c + "</p>");
        $("#immagineNascosta")
		    .css("top", (e.pageY - xOffset) + "px")
		    .css("left", (e.pageX + yOffset) + "px")
		    .fadeIn("fast");
    },
    function() {
        this.title = this.t;
        $("#immagineNascosta").remove();
    });
    $("a.immagineNascosta").mousemove(function(e) {
        $("#immagineNascosta")
		    .css("top", (e.pageY - xOffset) + "px")
		    .css("left", (e.pageX + yOffset) + "px");
    });
};


// starting the script on page load
//$(document).ready(function(){
//try {
//mostraImmagineNascostaAlMouseover();
//}catch (err) {return false}
//});