if (document.images) {
				
                mlk1on = new Image();
                mlk1on.src = "images/1.jpg";
                mlk1off = new Image();
                mlk1off.src = "images/1b.jpg";

				mlk2on = new Image();
                mlk2on.src = "images/2.jpg";
                mlk2off = new Image();
                mlk2off.src = "images/2b.jpg";

				mlk3on = new Image();
                mlk3on.src = "images/3.jpg";
                mlk3off = new Image();
                mlk3off.src = "images/3b.jpg";

				mlk4on = new Image();
                mlk4on.src = "images/4.jpg";
                mlk4off = new Image();
                mlk4off.src = "images/4b.jpg";
				
				mlk5on = new Image();
                mlk5on.src = "images/5.jpg";
                mlk5off = new Image();
                mlk5off.src = "images/5b.jpg";
				
				mlk6on = new Image();
                mlk6on.src = "images/6.jpg";
                mlk6off = new Image();
                mlk6off.src = "images/6b.jpg";				
					
				mlk8on = new Image();
                mlk8on.src = "images/8.jpg";
                mlk8off = new Image();
                mlk8off.src = "images/8b.jpg";	
												
                 }

     function img_act(imgName) { if (document.images) 
	 { imgOn = eval(imgName + "on.src");
	 document [imgName].src = imgOn; }

     	}

     function img_inact(imgName) { if (document.images)
	 { imgOff = eval(imgName + "off.src");
     document [imgName].src = imgOff; }

     	}