// JavaScript Document

if ( document.images )
{
eg12_on  = new Image ( );
eg12_off = new Image ( );
eg22_on  = new Image ( );
eg22_off = new Image ( );
eg33_on  = new Image ( );
eg33_off = new Image ( );
eg44_on  = new Image ( );
eg44_off = new Image ( );
eg55_on  = new Image ( );
eg55_off = new Image ( );
eg66_on  = new Image ( );
eg66_off = new Image ( );
eg77_on  = new Image ( );
eg77_off = new Image ( );
eg88_on  = new Image ( );
eg88_off = new Image ( );
eg99_on  = new Image ( );
eg99_off = new Image ( );
eg29_on  = new Image ( );
eg29_off = new Image ( );




eg12_off.src = "images/1.jpg";
eg12_on.src = "images/1_over.jpg";  
eg22_off.src = "images/2.jpg";
eg22_on.src = "images/2_over.jpg";  
eg33_off.src = "images/3.jpg";
eg33_on.src = "images/3_over.jpg";  
eg44_off.src = "images/4.jpg";
eg44_on.src = "images/4_over.jpg";  
eg55_off.src = "images/5.jpg";
eg55_on.src = "images/5_over.jpg"; 
eg66_off.src = "images/6.jpg";
eg66_on.src = "images/6_over.jpg"; 
eg77_off.src = "images/7.jpg";
eg77_on.src = "images/7_over.jpg"; 
eg88_off.src = "images/8.jpg";
eg88_on.src = "images/8_over.jpg"; 
eg99_off.src = "images/9.jpg";
eg99_on.src = "images/9_over.jpg"; 
eg29_off.src = "images/29.jpg";
eg29_on.src = "images/29_over.jpg"; 


}

function button_on ( imgId )
{
  if ( document.images )
  {
    butOn = eval ( imgId + "_on.src" );
    document.getElementById(imgId).src = butOn;
  }
}

function button_off ( imgId )
{
  if ( document.images )
  {
    butOff = eval ( imgId + "_off.src" );
    document.getElementById(imgId).src = butOff;
  }
}