/* 
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */


function bgchange(type){
   if(type =='H' || type =='h')document.body.style.backgroundImage='url("images/h1.gif")';
   if(type =='T' || type =='t')document.body.style.backgroundImage='url("images/t1.gif")';
   if(type =='G' || type =='g')document.body.style.backgroundImage='url("images/g1.gif")';
}