var pic0 = new Image() ;pic0.src = 'images/jpg/330/20_11_330.jpg';
var pic1 = new Image() ; 
var pic2 = new Image() ; 
var pic3 = new Image() ; 
var pic4 = new Image() ; 
var pic5 = new Image() ; 
var pic6 = new Image() ; 
var pic7 = new Image() ; 
function swapImage(imagevar) { 
switch(imagevar){ 
case "pic1": 
pic1.src = 'images/jpg/330/20_11_330.jpg'; 
break; 
case "pic2": 
pic2.src = 'images/jpg/330/20_12_330.jpg'; 
break; 
case "pic3": 
pic3.src = 'images/jpg/330/20_13_330.jpg'; 
break; 
case "pic4": 
pic4.src = 'images/jpg/330/20_14_330.jpg'; 
break; 
case "pic5": 
pic5.src = 'images/jpg/330/20_15_330.jpg'; 
break; 
case "pic6": 
pic6.src = 'images/jpg/330/20_16_330.jpg'; 
break; 
case "pic7": 
pic7.src = 'images/jpg/330/20_17_330.jpg'; 
break; 
} 
document['I1'].src = window[imagevar].src; 
}