if (document.images) {
		  var imagesNormal = new Object();
		  imagesNormal["need"] = new Image(132,28);
		  imagesNormal["need"].src = "i/attorney.gif";
		  imagesNormal["basic"] = new Image(132,28);
		  imagesNormal["basic"].src = "i/basics.gif";
		  imagesNormal["join"] = new Image(170,28);
		  imagesNormal["join"].src = "i/join.gif";
		  imagesNormal["article"] = new Image(132,28);
		  imagesNormal["article"].src = "i/articles.gif";
		  var imagesHilite = new Object();
		  imagesHilite["need"] = new Image(132,28);
		  imagesHilite["need"].src = "i/hattorney.gif";
		  imagesHilite["basic"] = new Image(132,28);
		  imagesHilite["basic"].src = "i/hbasics.gif";
		  imagesHilite["join"] = new Image(170,28);
		  imagesHilite["join"].src = "i/hjoin.gif";
		  imagesHilite["article"] = new Image(132,28);
		  imagesHilite["article"].src = "i/harticles.gif";
	  }

      function RollOn(imgName){
	      document.images[imgName].src = imagesHilite[imgName].src;
	      return true;
      }
      function RollOff(imgName){
	      document.images[imgName].src = imagesNormal[imgName].src;
	      return true;
      }