var onImages = new Array();
var cont = -1;
var browserName = navigator.appName;
var browserVer = parseInt(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3) version = "n3";
  else if (browserName == "Netscape" && browserVer <= 2) version = "n2";
  else if (browserName == "Microsoft Internet Explorer" && browserVer > 3) version = "e4";
  else if (browserName == "Microsoft Internet Explorer" && browserVer <= 3) version = "e3";
else version = "other";
    
function cambio(imgName1,gif1) {
    if (version == "n3" | version == "e4")
       {
            if ( (gif1<=cont) &&(cont>=0) )
	        {
            document [imgName1].src = eval("onImages["+gif1+"].src");
            }
        }
        return true;
}
              
function doload(arch) {
        cont = cont + 1;
        onImages[cont] = new Image();
        onImages[cont].src = arch;
}

function preLoad() {
        if (version!="e3")
           {       
			doload("http://www.mipunto.com/telcelnet/img_cabezal/01_sl_off.gif");
            doload("http://www.mipunto.com/telcelnet/img_cabezal/01_sl_on.gif");

            doload("http://www.mipunto.com/telcelnet/img_cabezal/01_sa_off.gif");
            doload("http://www.mipunto.com/telcelnet/img_cabezal/01_sa_on.gif");

            doload("http://www.mipunto.com/telcelnet/img_cabezal/01_ea_off.gif");
            doload("http://www.mipunto.com/telcelnet/img_cabezal/01_ea_on.gif");
            
            doload("http://www.mipunto.com/telcelnet/img_cabezal/01_au_off.gif");
            doload("http://www.mipunto.com/telcelnet/img_cabezal/01_au_on.gif");

            doload("http://www.mipunto.com/telcelnet/img_cabezal/01_d_off.gif");
            doload("http://www.mipunto.com/telcelnet/img_cabezal/01_d_on.gif");
   		  }
}