//swapIMG
if (document.images) { 

var img0 = new Image();
img0.src = "news/img/banner_thumb1.jpg";

var img01 = new Image();
img01.src = "news/img/banner_thumb2.jpg"; 

}

// mouseOver
 function On(name) { 
 if (document.images) { 
 document.images['def'].src = eval(name + '.src'); 
 } 
} 

// mouseOut
function Off() {
if (document.images) {
document.images['def'].src = img0.src;
}
}