//SCRIPT language="JavaScript">
//        <!-->
var testVar = 0;
VerNav=parseInt(navigator.appVersion)
        if ((VerNav >=3 )  & navigator.appName == "Netscape") testVar = 1;
        if (VerNav >= 4) testVar = 1;
        
         if (testVar == 1) {
                email11 = new Image(180,40);
                email12 = new Image(180,40);
                email11.src = "Imagenes/email11.gif";
		email12.src = "Imagenes/email12.gif";
		email21 = new Image(180,40);
		email22 = new Image(180,40);
                email21.src = "Imagenes/email21.gif";
		email22.src = "Imagenes/email22.gif";
		email31 = new Image(180,40);
		email32 = new Image(180,40);
		email31.src = "Imagenes/email31.gif";
		email32.src = "Imagenes/email32.gif";

   }
function toggle (a,b) {
     if (testVar == 1) {
          document.images[a].src = eval(a + b + ".src")
          return true; 
     }
}