/**
 * LoadListener
 */
function addLoadListener( fn )
{
  if( typeof window.addEventListener != 'undefined' )
    window.addEventListener( 'load',fn,false )
  else if( typeof document.addEventListener != 'undefined' )
    document.addEventListener( 'load',fn,false )
  else if( typeof window.attachEvent != 'undefined' )
    window.attachEvent( 'onload',fn )
  else
  {
    var oldfn = window.onload
    if( typeof window.onload != 'function' )
      window.onload = fn
    else
    {
      window.onload = function()
      {
        oldfn()
        fn()
      }
    }
  }
}

/**
 * Clikc back to main page
 */
function mainpage()
{
  try {
    var link = document.getElementById( 'backToMain' )
  } catch ( e ) { return }
  link.onclick = function() {
    window.location.href = location.protocol +'//'+ location.hostname +':'+ location.port
  }
  link.onmouseover = function() {
    link.style.cursor = 'pointer'
  }
}
addLoadListener( mainpage )