if (document.images) {      
img1 = new Image();      
img2 = new Image();   
img3 = new Image(); 
img4 = new Image(); 
img5 = new Image(); 
img6 = new Image(); 
img7 = new Image(); 
img8 = new Image(); 
img9 = new Image(); 
img10 = new Image(); 
img11 = new Image(); 
img12 = new Image();    
img1.src ="images/submenu_background.jpg";       
img2.src ="images/styleeyes-rollover.jpg"; 
img3.src ="images/common/logo-australian.gif";
img4.src ="images/common/logo-asava.gif";
img5.src ="images/common/logo-avba.gif";
img6.src ="images/common/logo-advance.gif";
img7.src ="images/common/logo-virbac.gif";
img8.src ="images/common/logo-pfizer.gif";
img9.src ="images/common/logo-eukanuba.gif";
img10.src ="images/common/logo-bayer.gif";
img11.src ="images/common/logo-advantage.gif";
img12.src ="images/common/logo-hills.gif";
}