if (document.images) {
  
  var menu_02 = new Image()
  menu_02.src = "./images/main_menu_02.gif"
  var menu_02_on = new Image()
  menu_02_on.src = "./images/main_menu_on_02.gif"
  
  var menu_03 = new Image()
  menu_03.src = "./images/main_menu_03.gif"
  var menu_03_on = new Image()
  menu_03_on.src = "./images/main_menu_on_03.gif"
  
  var menu_04 = new Image()
  menu_04.src = "./images/main_menu_04.gif"
  var menu_04_on = new Image()
  menu_04_on.src = "./images/main_menu_on_04.gif"
  
  var menu_05 = new Image()
  menu_05.src = "./images/main_menu_05_2.gif"
  var menu_05_on = new Image()
  menu_05_on.src = "./images/main_menu_on_05_2.gif"
  
  var menu_06 = new Image()
  menu_06.src = "./images/main_menu_06.gif"
  var menu_06_on = new Image()
  menu_06_on.src = "./images/main_menu_on_06.gif"
  
  var menu_07 = new Image()
  menu_07.src = "./images/main_menu_07.gif"
  var menu_07_on = new Image()
  menu_07_on.src = "./images/main_menu_on_07.gif"
  
  var menu_08 = new Image()
  menu_08.src = "./images/main_menu_08.gif"
  var menu_08_on = new Image()
  menu_08_on.src = "./images/main_menu_on_08.gif"

  }
  function act(imgOn) 
	{
 	 if (document.images) 
   	 document[imgOn].src = eval(imgOn + '_on.src')
	}
  function inact(imgOn)
	{
 	 if (document.images) 
   	 document[imgOn].src = eval(imgOn + '.src')
	}
	
	
function openWin( windowURL, windowName, windowFeatures ) { 
	return window.open( windowURL, windowName, windowFeatures ) ; 
}