// JavaScript Document
// EVENT HANDLERS for buttons with 3 states, i.e. Mouse Outside the button, 
// Mouse ON the button and Mouse button pressed.

function pressButton(btName) {
 if (document.images)
  eval('document.'+btName+'.src='+btName+'_down.src');
}

function releaseButton(btName) {
 if (document.images)
  eval('document.'+btName+'.src='+btName+'_up.src');
}

function releaseButtonFocusOut(btName) {
 if (document.images)
  eval('document.'+btName+'.src='+btName+'_out.src');
}