if (document.images) { 
r1= new Image(105,24); 
r1.src="images/nav_company_off.jpg"; 
r2= new Image(105,19); 
r2.src="images/nav_clients_off.jpg"; 
r3= new Image(105,18);
r3.src="images/nav_contact_off.jpg"; 
r4= new Image(105,20); 
r4.src="images/nav_blog_off.jpg"; 



//

rr1= new Image(105,24); 
rr1.src="images/nav_company_on.jpg"; 
rr2= new Image(105,19); 
rr2.src="images/nav_clients_on.jpg"; 
rr3= new Image(105,18);
rr3.src="images/nav_contact_on.jpg"; 
rr4= new Image(105,20); 
rr4.src="images/nav_blog_on.jpg"; 

}


function changeImage(row,s) {

var h;

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

if (document.images) {

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

}

}