function changeOpac(opacity) {
    var object = document.getElementById('TopBar').style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";

    var zcoverobject = document.getElementById('ContentDiv').style;
    zcoverobject.opacity = (opacity / 100);
    zcoverobject.MozOpacity = (opacity / 100);
    zcoverobject.KhtmlOpacity = (opacity / 100);
    zcoverobject.filter = "alpha(opacity=" + opacity + ")";
//    document.getElementById('CurrOpacity').value=opacity;
}

function opacity(opacStart, opacEnd, millisec) {

    var speed = Math.round(millisec / 60);

	if (opacEnd>opacStart){

       i = opacStart;
       i = (i+5);
       changeOpac(i);
       setTimeout("opacity("+i+", "+opacEnd+", "+millisec+")",speed);
  }
  if (opacEnd==opacStart) {
//    document.getElementById('chk_menuOpen').value="Y";
  }
}

function fShowMenu() {
//  if (document.getElementById('chk_menuOpen').value!="Y") {
//      zstartopacity=document.getElementById('CurrOpacity').value;
  zstartopacity=(document.getElementById('TopBar').style.opacity*100);
/*
      var zstartobject = document.getElementById('TopBar').style;
      zstartobject.opacity = (0 / 100);
      zstartobject.MozOpacity = (0 / 100);
      zstartobject.KhtmlOpacity = (0 / 100);
      zstartobject.filter = "alpha(opacity=" + 0 + ")"; 
      zstartobject.display = "block";
  
  
      var zstartzoverobject = document.getElementById('ContentDiv').style;
      zstartzoverobject.opacity = (0 / 100);
      zstartzoverobject.MozOpacity = (0 / 100);
      zstartzoverobject.KhtmlOpacity = (0 / 100);
      zstartzoverobject.filter = "alpha(opacity=" + 0 + ")"; 
      zstartzoverobject.display = "block";
*/
      opacity(zstartopacity, 100, 55);
//  }
}