// define images

if(document.images) {

  news_off = new Image;
  news_on = new Image;
  
  concert_off = new Image;
  concert_on = new Image;
  
  support_off = new Image;
  support_on = new Image;
  
  friends_off = new Image;
  friends_on = new Image;
  
  sing_off = new Image;
  sing_on = new Image;
  
  infoblank = new Image;

// source images
 news_off.src = '/graphics/nav/news_off.gif';
 news_on.src = '/graphics/nav/news_on.gif';
 
 concert_off.src = '/graphics/nav/concert_off.gif';
 concert_on.src = '/graphics/nav/concert_on.gif';

 support_off.src = '/graphics/nav/support_off.gif';
 support_on.src = '/graphics/nav/support_on.gif';
   
 friends_off.src = '/graphics/nav/friends_off.gif';
 friends_on.src = '/graphics/nav/friends_on.gif';
 
 sing_off.src = '/graphics/nav/sing_off.gif';
 sing_on.src = '/graphics/nav/sing_on.gif'; 
 
 infoblank.src = '/graphics/no.jpg';

}

// MouseOver Function

function swapOn(imgLocation) {
  if(document.images) {
    infoLoc = new String;
	infoLoc = imgLocation + 'info';
	document.images[imgLocation].src = eval(imgLocation + '_on.src');
  }
}

// MouseOut Function

function swapOff(imgLocation) {
  if(document.images) {
	  document.images[imgLocation].src = eval(imgLocation + '_off.src');
  }
}