if (document.images)
{
  pic1= new Image(54,43); 
  pic1.src="images/all_pages/home_butt.jpg"; 

  pic2= new Image(54,43); 
  pic2.src="images/all_pages/home_buttonover.jpg"; 

  pic3= new Image(76,43); 
  pic3.src="images/all_pages/careers_butt.jpg"; 
  
  pic4= new Image(76,43); 
  pic4.src="images/all_pages/careers_buttover.jpg"; 
  
  pic5= new Image(91,43); 
  pic5.src="images/all_pages/contact_us_butt.jpg"; 
  
  pic6= new Image(91,43); 
  pic6.src="images/all_pages/contactus_buttover.jpg"; 
  
  pic7= new Image(110,43); 
  pic7.src="images/all_pages/ourcompany_butt.jpg"; 
  
  pic8= new Image(110,43); 
  pic8.src="images/all_pages/ourcompany_buttover.jpg"; 
  
  pic9= new Image(89,43); 
  pic9.src="images/all_pages/resources_butt.jpg"; 
  
  pic10= new Image(89,43); 
  pic10.src="images/all_pages/resources_buttover.jpg"; 
  
  pic11= new Image(80,43); 
  pic11.src="images/all_pages/services_butt.jpg";
  
  pic12= new Image(80,43); 
  pic12.src="images/all_pages/services_buttover.jpg";
}