{        
  Maanoff=new Image(0,0);                            
  Maanoff.src="pics/menu-maan1.gif";
  Maanon=new Image(0,0);
  Maanon.src="pics/menu-maanon1.gif";
  Nowoff=new Image(0,0);                            
  Nowoff.src="pics/menu-now1.gif";
  Nowon=new Image(0,0);
  Nowon.src="pics/menu-nowon1.gif";
  Photooff=new Image(0,0);                            
  Photooff.src="pics/menu-photo1.gif";
  Photoon=new Image(0,0);
  Photoon.src="pics/menu-photoon1.gif";
  Exhibitoff=new Image(0,0);                            
  Exhibitoff.src="pics/menu-exhibit1.gif";
  Exhibiton=new Image(0,0);
  Exhibiton.src="pics/menu-exhibiton1.gif";
  Historoff=new Image(0,0);                            
  Historoff.src="pics/menu-histor1.gif";
  Historon=new Image(0,0);
  Historon.src="pics/menu-historon1.gif";
  Directoff=new Image(0,0);                            
  Directoff.src="pics/menu-direct1.gif";
  Directon=new Image(0,0);
  Directon.src="pics/menu-directon1.gif";
  Catalogueoff=new Image(0,0);                            
  Catalogueoff.src="pics/menu-catalogue1.gif";
  Catalogueon=new Image(0,0);
  Catalogueon.src="pics/menu-catalogueon1.gif";
  Wetodoff=new Image(0,0);                            
  Wetodoff.src="pics/menu-wetod1.gif";
  Wetodon=new Image(0,0);
  Wetodon.src="pics/menu-wetodon1.gif";
  Mediaoff=new Image(0,0);                            
  Mediaoff.src="pics/menu-massmedia1.gif";
  Mediaon=new Image(0,0);
  Mediaon.src="pics/menu-massmedia2.gif";
  Pressoff=new Image(0,0);                            
  Pressoff.src="pics/menu-press1.gif";
  Presson=new Image(0,0);
  Presson.src="pics/menu-presson1.gif";
  Demoff=new Image(0,0);                            
  Demoff.src="pics/menu-dem1.gif";
  Demon=new Image(0,0);
  Demon.src="pics/menu-demon1.gif";
      
 }
 function change(img,imgObjName)
 {
      document.images[img].src = eval(imgObjName + ".src")
 }
//-->

var cur_menu_id="";
var hide_cur_menu="";
var HM_handler;

function Hide_Menu () {
  window.clearInterval(HM_handler);
//  alert("Hide_Menu " + hide_cur_menu);
  if (hide_cur_menu == "Y") {
    hide_cur_menu = "";
    if (cur_menu_id > "") {
      eval(cur_menu_id+ ".style.visibility = 'hidden';");
      cur_menu_id = "";
    }
  }
  return 0;
}

function Over_Menu (menu_id) {
//alert("Over_Menu: " +menu_id);
//alert(document.main_menu_reg.id);
  if (hide_cur_menu == "Y") {
    window.clearInterval(HM_handler);
    hide_cur_menu = "";
  }
  if (cur_menu_id > "" && menu_id != cur_menu_id) {
    eval(cur_menu_id+ ".style.visibility = 'hidden';");
  }
  eval(menu_id+ ".style.visibility = 'visible';");
  cur_menu_id = menu_id;
  return 0;
}

function Check_Menu_Out (menu_id) {
//alert("Check_Menu_Out: " +menu_id);
  o_menu = document.getElementById(menu_id);
  div_rects = o_menu.getClientRects();
//alert(self.event.clientY + "  " + div_rects[0].top);
//alert(self.event.clientX + "  " + div_rects[0].left);
  if (self.event.clientX < div_rects[0].left || self.event.clientX >= (div_rects[0].right) ||
      self.event.clientY < div_rects[0].top || self.event.clientY >= (div_rects[0].bottom)) {
//    eval(menu_id+ ".style.visibility = 'hidden';");
//    cur_menu_id = "";
    if (hide_cur_menu == "Y") {
      window.clearInterval(HM_handler);
      hide_cur_menu = "";
    }
    hide_cur_menu = "Y";
    HM_handler = window.setInterval("Hide_Menu()", 800);
  }
  return 0;
}
function rollHandler() {
 var srcElement = window.event.srcElement;
 if(srcElement.className=='hov' || srcElement.className=='hov2') {
  if(srcElement.style.backgroundColor=='') {
   srcElement.style.backgroundColor = '#eeffff';
  } 
  else {
   srcElement.style.backgroundColor = ''; 
  } 
 }		
}
document.onmouseover = rollHandler;
document.onmouseout = rollHandler;