if (document.images) { 

r1= new Image(70,24); 
r1.src="images/nav_home_off.gif"; 
r2= new Image(67,24); 
r2.src="images/nav_about_off.gif"; 
r3= new Image(80,24); 
r3.src="images/nav_services_off.gif"; 
r4= new Image(99,24); 
r4.src="images/nav_contact_off.gif"; 
r5= new Image(80,24); 
r5.src="images/nav_cuisine_off.gif"; 

//

rr1= new Image(70,24); 
rr1.src="images/nav_home_on.gif"; 
rr2= new Image(67,24); 
rr2.src="images/nav_about_on.gif"; 
rr3= new Image(80,24); 
rr3.src="images/nav_services_on.gif"; 
rr4= new Image(99,24); 
rr4.src="images/nav_contact_on.gif"; 
rr5= new Image(80,24); 
rr5.src="images/nav_cuisine_on.gif"; 

}


function changeImage(row,s) {

var h;

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

if (document.images) {

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

}

}