img01=new Image();
      img01.src="images/menu_buttons/001.gif";
      img02=new Image();
      img02.src="images/menu_buttons/001_h.gif"
	  img03=new Image();
      img03.src="images/menu_buttons/002.gif";
      img04=new Image();
      img04.src="images/menu_buttons/002_h.gif"
	  img05=new Image();
      img05.src="images/menu_buttons/003.gif";
      img06=new Image();
      img06.src="images/menu_buttons/003_h.gif"
	  img07=new Image();
      img07.src="images/menu_buttons/004.gif";
      img08=new Image();
      img08.src="images/menu_buttons/004_h.gif"
	  img09=new Image();
      img09.src="images/menu_buttons/005.gif";
      img10=new Image();
      img10.src="images/menu_buttons/005_h.gif"
	  img11=new Image();
      img11.src="images/menu_buttons/006.gif";
      img12=new Image();
      img12.src="images/menu_buttons/006_h.gif"
	  img13=new Image();
      img13.src="images/menu_buttons/007.gif";
      img14=new Image();
      img14.src="images/menu_buttons/007_h.gif"
	  img15=new Image();
      img15.src="images/content_images/prod_001.jpg";
      img16=new Image();
      img16.src="images/content_images/prod_001_h.jpg"
	  img17=new Image();
      img17.src="images/content_images/prod_002.jpg";
      img18=new Image();
      img18.src="images/content_images/prod_002_h.jpg"
	  img19=new Image();
      img19.src="images/content_images/prod_003.jpg";
      img20=new Image();
      img20.src="images/content_images/prod_003_h.jpg"
	  img21=new Image();
      img21.src="images/content_images/prod_004.jpg";
      img22=new Image();
      img22.src="images/content_images/prod_004_h.jpg"
	  img23=new Image();
      img23.src="images/content_images/prod_005.jpg";
      img24=new Image();
      img24.src="images/content_images/prod_005_h.jpg"
	  		
	 function Over(id,number){
 			document.images[id].src=eval('img'+number+'.src');
		}