if (document.images)
{
  pic1= new Image(189,50); 
  pic1.src="../images/nav/home_over.gif"; 
  
  pic2= new Image(189,50); 
  pic2.src="../images/nav/about_us_over.gif"; 
  
  pic3= new Image(189,50); 
  pic3.src="../images/nav/portfolio_over.gif"; 
  
  pic4= new Image(189,50); 
  pic4.src="../images/nav/contact_over.gif";
  
  pic5= new Image(189,50); 
  pic5.src="../higherground/images/nav/home_over.gif"; 
  
  pic6= new Image(189,50); 
  pic6.src="../higherground/images/nav/about_us_over.gif"; 
  
  pic7= new Image(189,50); 
  pic7.src="../higherground/images/nav/portfolio_over.gif"; 
  
  pic8= new Image(189,50); 
  pic8.src="../higherground/images/nav/contact_over.gif"; 

}