if(navigator.appVersion.charAt(0) >= 3) {
var img = new Array();


img[3] = new Image();  img[3].src="images/menu2.jpg"; 
img[4] = new Image();  img[4].src="images/menu2_over.jpg"; 
img[5] = new Image();  img[5].src="images/menu3.jpg"; 
img[6] = new Image();  img[6].src="images/menu3_over.jpg"; 
img[7] = new Image();  img[7].src="images/menu4.jpg"; 
img[8] = new Image();  img[8].src="images/menu4_over.jpg"; 
img[9] = new Image();  img[9].src="images/menu5.jpg"; 
img[10] = new Image();  img[10].src="images/menu5_over.jpg"; 
img[11] = new Image();  img[11].src="images/menu6.jpg"; 
img[12] = new Image();  img[12].src="images/menu6_over.jpg"; 




}
function change_image(nam,num) {
  if(navigator.appVersion.charAt(0) >= 3) {
    document.images[nam].src = img[num].src;
  }
}