bVer =parseInt(navigator.appVersion);
bName=navigator.appName;
if (bVer >=3 && bName=="Netscape") gSupport=1;
else if (bVer >=4) gSupport=1;
else gSupport=0;
if (gSupport==1)
  {    	img1 = new Image();
        img1.src = "img/past01.gif";
        img1a = new Image();
        img1a.src = "img/rollovers/past01foto.gif";
	img2 = new Image();
        img2.src = "img/es/past02.gif";
        img2a = new Image();
        img2a.src = "img/rollovers/past02foto.gif";
	img3 = new Image();
        img3.src = "img/es/past03.gif";
        img3a = new Image();
        img3a.src = "img/rollovers/past03foto.gif";
	img4 = new Image();
        img4.src = "img/es/past04.gif";
        img4a = new Image();
        img4a.src = "img/rollovers/past04foto.gif";
	img5 = new Image();
        img5.src = "img/es/past05.gif";
        img5a = new Image();
        img5a.src = "img/rollovers/past05foto.gif";
	img6 = new Image();
        img6.src = "img/es/past06.gif";
        img6a = new Image();
        img6a.src = "img/rollovers/past06foto.gif";
	img7 = new Image();
        img7.src = "img/es/past07_act.gif";
        img7a = new Image();
        img7a.src = "img/rollovers/past07foto.gif";
	img8 = new Image();
        img8.src = "img/es/past08.gif";
        img8a = new Image();
        img8a.src = "img/rollovers/past08foto.gif";
	img9 = new Image();
        img9.src = "img/es/past08.gif";
        img9a = new Image();
        img9a.src = "img/rollovers/past08foto.gif";

          }

function rollover(iName)
                {
                if (gSupport==1)
                         {
                                 thename = eval(iName + "a.src");
                                 document[iName].src = thename;
                }
        }
function rolloff(iName)
                {
        if (gSupport==1)
                {
                thename = eval(iName + ".src");
                document[iName].src = thename;
                }
        }