var img_star = new Image();
img_star.src='/img/star2.gif';

var img_star_a = new Image();
img_star_a.src='/img/star_a.gif';


function Show_Img(i) {
    
 document[i].src='/img/star2.gif';
    
}


function Show_Img_A(i) {
    
  document[i].src='/img/star_a.gif';

    
}