img01=new Image();
      img01.src="../i/b1.gif";
      img02=new Image();
      img02.src="../i/b1on.gif"
      img03=new Image();
      img03.src="../i/b2.gif";
      img04=new Image();
      img04.src="../i/b2on.gif"
	  img05=new Image();
      img05.src="../i/b3.gif";
      img06=new Image();
      img06.src="../i/b3on.gif"
	  img07=new Image();
      img07.src="../i/b4.gif";
      img08=new Image();
      img08.src="../i/b4on.gif"
	  img09=new Image();
      img09.src="../i/b5.gif";
      img10=new Image();
      img10.src="../i/b5on.gif"
	  img11=new Image();
      img11.src="../i/b6.gif";
      img12=new Image();
      img12.src="../i/b6on.gif"
	  img13=new Image();
      img13.src="../i/b7.gif";
      img14=new Image();
      img14.src="../i/b7on.gif"
	  img15=new Image();
      img15.src="../i/bt1.gif";
      img16=new Image();
      img16.src="../i/bt1on.gif"
	  img17=new Image();
      img17.src="../i/bt2.gif";
      img18=new Image();
      img18.src="../i/bt2on.gif"
	  img19=new Image();
      img19.src="../i/bt3.gif";
      img20=new Image();
      img20.src="../i/bt3on.gif"
	
	 function Over(name,number){
 			document.images[name].src=eval('img'+number+'.src');
		}