if (document.images) { 
r1= new Image(102,40); 
r1.src="images/nav_about_off.gif"; 
r2= new Image(82,40); 
r2.src="images/nav_my_planner_off.gif"; 
r3= new Image(103,40);
r3.src="images/nav_news_off.gif"; 
r4= new Image(102,40); 
r4.src="images/nav_event_date_off.gif"; 



//

rr1= new Image(102,40); 
rr1.src="images/nav_about_on.gif"; 
rr2= new Image(82,40); 
rr2.src="images/nav_my_planner_on.gif"; 
rr3= new Image(103,40);
rr3.src="images/nav_news_on.gif"; 
rr4= new Image(102,40); 
rr4.src="images/nav_event_date_on.gif"; 

}


function changeImage(row,s) {

var h;

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

if (document.images) {

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

}

}