if( document.images )
{      
  img01on = new Image();
  img01on.src = "../images/layout/menu01a.gif";
  img02on = new Image();
  img02on.src = "../images/layout/menu02a.gif";
  img03on = new Image();		
  img03on.src = "../images/layout/menu03a.gif";
  img04on = new Image();
  img04on.src = "../images/layout/menu04a.gif";
  img05on = new Image();
  img05on.src = "../images/layout/menu05a.gif";
  img06on = new Image();		
  img06on.src = "../images/layout/menu06a.gif";
  img07on = new Image();		
  img07on.src = "../images/layout/menu07a.gif";
  img08on = new Image();		
  img08on.src = "../images/layout/menu08a.gif";
  img09on = new Image();		
  img09on.src = "../images/layout/menu09a.gif";

  img01off = new Image();          
  img01off.src = "../images/layout/menu01.gif";
  img02off = new Image();          
  img02off.src = "../images/layout/menu02.gif";
  img03off = new Image();		  	
  img03off.src = "../images/layout/menu03.gif";
  img04off = new Image();          
  img04off.src = "../images/layout/menu04a.gif";
  img05off = new Image();          
  img05off.src = "../images/layout/menu05.gif";
  img06off = new Image();		  	
  img06off.src = "../images/layout/menu06.gif";
  img07off = new Image();		  	
  img07off.src = "../images/layout/menu07.gif";
  img08off = new Image();		  	
  img08off.src = "../images/layout/menu08.gif";
  img09off = new Image();		  	
  img09off.src = "../images/layout/menu09.gif";
}

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