if (document.images) 
{
clickme1 = new Image; 
clickme1.src = "menu1b.jpg";
clickme2 = new Image; 
clickme2.src = "menu1a.jpg";
clickme3 = new Image; 
clickme3.src = "menu2b.jpg";
clickme4 = new Image; 
clickme4.src = "menu2a.jpg";
clickme5 = new Image; 
clickme5.src = "menu3b.jpg";
clickme6 = new Image; 
clickme6.src = "menu3a.jpg";
clickme7 = new Image; 
clickme7.src = "menu4b.jpg";
clickme8 = new Image; 
clickme8.src = "menu4a.jpg";


}

function zmiento(imgName,imgObjName) 
{
if (document.images) 
{
 document.images[imgName].src = eval(imgObjName + ".src");
 }
 }