{
if(document.images)
   {

emenu1on = new Image;
emenu1on.src="images/toplinks_09.jpg";
emenu1off = new Image(50,50);
emenu1off.src="images/toplinks_09_2.jpg";

emenu2on = new Image;
emenu2on.src="images/toplinks_10.jpg";
emenu2off = new Image(50,50);
emenu2off.src="images/toplinks_10_2.jpg";

emenu3on = new Image;
emenu3on.src="images/toplinks_11.jpg";
emenu3off = new Image(50,50);
emenu3off.src="images/toplinks_11_2.jpg";

emenu4on = new Image;
emenu4on.src="images/toplinks_12.jpg";
emenu4off = new Image(50,50);
emenu4off.src="images/toplinks_12_2.jpg";

}

function img_act(imgName)
{
if(document.images)
    {
    imgOn = eval(imgName + "on.src");
    document [imgName].src = imgOn;
     }
}

function img_inact(imgName)
{        
   imgOff = eval(imgName + "off.src");
   document [imgName].src = imgOff;  
} 

}