var ie4=document.all;
var ns6=document.getElementById&&!document.all;

objPreviousMenu = new Object;
timer = 5000;
objPreviousMenu="";
intOpacity = 100;


function fnSwitchMenu(objSwitch, strMode, blnTimeout)
{
  if ((objPreviousMenu!="")&&(objPreviousMenu!=objSwitch))
    fnRemoveMenu();
  
  fnFindBrowserStyle(document.getElementById(objSwitch)).display=strMode;
  fnFindBrowserStyle(document.getElementById(objSwitch)).filter = "progid:DXImageTransform.Microsoft.Alpha(opacity=100)"
  intOpacity = 100;
  
  if (blnTimeout)
    objPreviousMenu="";
  else
    clearTimeout(timer);
  
  objPreviousMenu = objSwitch;
}

function fadeMenu()
{
  
  intOpacity-=20;
  
  if (ie4)
    fnFindBrowserStyle(document.getElementById(objPreviousMenu)).filter = "progid:DXImageTransform.Microsoft.Alpha(opacity="+intOpacity+")"
  
  if (intOpacity <= 0)
    fnRemoveMenu();    
  else
    timer=setTimeout('fadeMenu()', 50);
}

function fnRemoveMenu()
{
  fnFindBrowserStyle(document.getElementById(objPreviousMenu)).display="none";
  fnFindBrowserStyle(document.getElementById(objPreviousMenu)).filter = "progid:DXImageTransform.Microsoft.Alpha(opacity=100)"
  intOpacity = 100;
}


function openDoc(URI)
{
	documentWin = window.open(URI, "documentWin", "location=0,status=0,scrollbars=1,width="+screen.width+",height="+screen.height);
    documentWin.moveTo(0,0);
}

function highlightMenu(menuId)
{  document.getElementById(menuId).className="menOver";	 }

function unHighlightMenu(menuId)
{  document.getElementById(menuId).className="";  }

function fnFindBrowserStyle(objIdent)
{ return ((ie4||ns6) ? objIdent.style : objIdent); }