if (document.images) { 

r1= new Image(201,23); 
r1.src="images/nav_about_off.gif"; 
r2= new Image(201,29); 
r2.src="images/nav_window_tint_off.gif"; 
r3= new Image(201,27); 
r3.src="images/nav_services_off.gif"; 
r4= new Image(201,24); 
r4.src="images/nav_news_off.gif"; 
r5= new Image(201,29); 
r5.src="images/nav_locations_off.gif"; 
r6= new Image(201,53); 
r6.src="images/nav_contact_off.gif"; 



//

rr1= new Image(201,23); 
rr1.src="images/nav_about_on.gif"; 
rr2= new Image(201,29); 
rr2.src="images/nav_window_tint_on.gif"; 
rr3= new Image(201,27); 
rr3.src="images/nav_services_on.gif"; 
rr4= new Image(201,24); 
rr4.src="images/nav_news_on.gif"; 
rr5= new Image(201,29); 
rr5.src="images/nav_locations_on.gif"; 
rr6= new Image(201,53); 
rr6.src="images/nav_contact_on.gif"; 


}


function changeImage(row,s) {

var h;

h= (s==1)? "r":"";

if (document.images) {

document.images[row].src = eval(h+row + ".src");

}

}