function processMenu(mnu) {
 document.getElementById('navau').style.display='none';
 document.getElementById('navea').style.display='none';
  document.getElementById('navha').style.display='none';
  document.getElementById('navhi').style.display='none';
  document.getElementById('navir').style.display='none';
  if (mnu != '') {
    document.getElementById('submenu').style.display='block';
    document.getElementById('nav'+mnu).style.display='block';
    document.getElementById('spacer').style.display='none';
  }
  return false;
}

function showMenu() {
  if (location.search != "") {
    var x = location.search.substr(1).split(";")
    for (var i=0; i<x.length; i++) {
	  var y = x[i].split("=");
	  if (y[0] == "menu") {
		document.getElementById('submenu').style.display='block';
		document.getElementById('nav'+y[1]).style.display='block';
	  }	
    }
  }
}

function prH(mnu)   { document.getElementById("navlia"+mnu).style.backgroundImage = "url(images/mi_s.gif)";}
function prO(mnu)   { document.getElementById("navlia"+mnu).style.backgroundImage = "url(images/mi.gif)";}
function prsH(mnu)  { document.getElementById(mnu).style.backgroundImage = "url(images/msi_s.gif)";}
function prsO(mnu)  { document.getElementById(mnu).style.backgroundImage = "url(images/msi.gif)";}
function prslH(mnu) { document.getElementById(mnu).style.backgroundImage = "url(images/msil_s.gif)";}
function prslO(mnu) { document.getElementById(mnu).style.backgroundImage = "url(images/msi56.gif)";}
function prmH(mnu)  { document.getElementById(mnu).src = "images/login_s.gif";}
function prmO(mnu)  { document.getElementById(mnu).src = "images/login.gif";}