function get_random(n)
        {
            var ranNum=1+ Math.floor(Math.random()*n);
            return ranNum;
        }
        function randomBackground_old(){
            var bgndUrl=contextPath+"/applications/webwork/site_fabbrica_europa/media/fondi_scheda/";
            var  n= get_random(3);
            document.body.style.backgroundColor="white" ;
            document.body.style.backgroundImage="url("+bgndUrl+n+".jpg)" ;
            document.body.style.backgroundPosition="center center" ;
            document.body.style.backgroundAttachment="fixed" ;
        }
        
                function randomBackground(){
            var bgndUrl=contextPath+"/applications/webwork/site_fabbrica_europa/media/fondi_scheda/Sfondo_Home.jpg";
            var  n= get_random(3);
            document.body.style.backgroundColor="white" ;
            document.body.style.backgroundImage="url("+bgndUrl+")" ;
            document.body.style.backgroundPosition="center center" ;
            document.body.style.backgroundAttachment="fixed" ;
        }

        window.onload=randomBackground;

 /*       function fixPNG(myImage) {
            try {
                var arVersion = navigator.appVersion.split("MSIE")
                var version = parseFloat(arVersion[1])
                if ((version >= 5.5) && (version < 7) && (document.body.filters))
                {
                    var imgID = (myImage.id) ? "id='" + myImage.id + "' " : ""
                    var imgClass = (myImage.className) ? "class='" + myImage.className + "' " : ""
                    var imgTitle = (myImage.title) ?
                                   "title='" + myImage.title  + "' " : "title='" + myImage.alt + "' "
                    var imgStyle = "display:inline-block;" + myImage.style.cssText
                    var strNewHTML = "<span " + imgID + imgClass + imgTitle
                            + " style=\"" + "width:" + myImage.width
                            + "px; height:" + myImage.height
                            + "px;" + imgStyle + ";"
                            + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
                            + "(src=\'" + myImage.src + "\', sizingMethod='scale');\"></span>"
                    myImage.outerHTML = strNewHTML
                }
            } catch(e) { return false; }
        }
 */