// navigation menus
ns6 = (document.getElementById) ? true : false
ns4 = (document.layers) ? true : false
ie4 = (document.all) ? true : false

function show(id,evnt) {
  if (ns4 && id != null) {
    if (evnt != null) { 
      document.layers[id].x = evnt.pageX - 10
      document.layers[id].y = evnt.pagey + 5
    }
     document.layers[id].visibility = "show"
     t = id
  }
  else if (ie4 && id != null) {
    if (evnt != null) { 
      document.all[id].style.left = (evnt.x - 10) + "px" 
      document.all[id].style.top = (evnt.y + 5) + "px"
    }
     document.all[id].style.visibility = "visible"
     t = id
  }
  else if (ns6 && id != null) {
    if (evnt != null) { 
      document.getElementById(id).style.left = evnt.pageX - 10 
      document.getElementById(id).style.top = evnt.pageY + 5
    }
    document.getElementById(id).style.visibility = "visible"
	  t = id
  }
}

function hide(id) {
  id == null ? id = t : id = id
  if (ns4) document.layers[id].visibility = "hide"
  else if (ie4) document.all[id].style.visibility = "hidden"
  else if (ns6) document.getElementById(id).style.visibility = "hidden"
}

//TD color change
function change (input, color) {
  input.bgColor = color;
  //onmouseover="change(this,'#ffcc66')"
  //onmouseout="change(this,'#ffffff')"
}