// JavaScript Document

 if (document.images)
   {
	   
	
	 pic1on= new Image(47,27);
     pic1on.src="images/menu1-o.jpg";
     
     pic1off= new Image(47,27);
     pic1off.src="images/menu1.jpg";
	 
     pic2on= new Image(103,27);
     pic2on.src="images/menu2-o.jpg";
     
     pic2off= new Image(103,27);
     pic2off.src="images/menu2.jpg";
	 
	 pic3on= new Image(72,27);
     pic3on.src="images/menu3-o.jpg";
     
     pic3off= new Image(72,27);
     pic3off.src="images/menu3.jpg";
	 
	 pic4on= new Image(78,27);
     pic4on.src="images/menu4-o.jpg";
     
     pic4off= new Image(78,27);
     pic4off.src="images/menu4.jpg";
	 
	 pic5on= new Image(78,27);
     pic5on.src="images/menu5-o.jpg";
     
     pic5off= new Image(78,27);
     pic5off.src="images/menu5.jpg";
	 
	 piccityon= new Image(91,17);
     piccityon.src="images/city-chi-o.jpg";
     
     piccityoff= new Image(91,17);
     piccityoff.src="images/city-chi.jpg";
	 
	 picwickeron= new Image(138,17);
     picwickeron.src="images/wicker-o.jpg";
     
     picwickeroff= new Image(138,17);
     picwickeroff.src="images/wicker.jpg";
	 
	 picschoolon= new Image(99,17);
     picschoolon.src="images/chi-school-o.jpg";
     
     picschooloff= new Image(99,17);
     picschooloff.src="images/chi-school.jpg";
	 
	 piclocon= new Image(91,17);
     piclocon.src="images/school-loc-o.jpg";
     
     piclocoff= new Image(91,17);
     piclocoff.src="images/school-loc.jpg";
	 
	 
	 
	 
	 pictimeon= new Image(78,27);
     pictimeon.src="images/travel-times-o.gif";
     
     pictimeoff= new Image(78,27);
     pictimeoff.src="images/travel-times.gif";
	 
	  picchion= new Image(78,27);
     picchion.src="images/chicago_transit-o.gif";
     
     picchioff= new Image(78,27);
     picchioff.src="images/chicago_transit.gif";
	 
	 piclinkson= new Image(78,27);
     piclinkson.src="images/local-links-o.gif";
     
     piclinksoff= new Image(78,27);
     piclinksoff.src="images/local-links.gif";
	 
	 picweatheron= new Image(78,27);
     picweatheron.src="images/local-weather-o.gif";
     
     picweatheroff= new Image(78,27);
     picweatheroff.src="images/local-weather.gif";
	 
	 
	
	
   }

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

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