agent = navigator.userAgent;
					     yes = 0;
					     if(agent.substring(0,7) == "Mozilla")
					       {
					       if( parseInt(agent.substring(8,9)) >= 3)
					   	  {
					   	  yes = 1;
					   	  }
					       }

					     if(yes)
					       {
					         pm0n = new Image();
					         pm0n.src = "elements/top.jpg";
					         pm0h = new Image();
					         pm0h.src = "elements/top.jpg";


					         pm1n = new Image();
					         pm1n.src = "elements/private_color.jpg";
					         pm1h = new Image();
					         pm1h.src = "elements/private.jpg";


					         pm2n = new Image();
					         pm2n.src = "elements/bioinformatics_color.jpg";
					         pm2h = new Image();
					         pm2h.src = "elements/bioinformatics.jpg";


					         pm3n = new Image();
					         pm3n.src = "elements/searching_color.jpg";
					         pm3h = new Image();
					         pm3h.src = "elements/searching.jpg";


					         pm4n = new Image();
					         pm4n.src = "elements/whisky_color.jpg";
					         pm4h = new Image();
					         pm4h.src = "elements/whisky.jpg";


					        }


					     function CI(imgNum,imgName)
					   	 {
					   	    if(yes)
					   	      {
					   	           document.images[imgNum].src = eval(imgName + ".src")
					   	       }
					   	 }