var isIE = false;
var isOther = false;
var isNS4 = false;
var isNS6 = false;
if(document.getElementById)
{
  if(!document.all) { isNS6=true; }
  if(document.all)  { isIE=true;  }
}
else
{ if(document.layers)
  { isNS4=true; }
  else
  { isOther=true;
  }
}

function aLs(layerID)
{
  var returnLayer;
  if(isIE)  { returnLayer = eval("document.all." + layerID + ".style"); }
  if(isNS6) {	returnLayer = eval("document.getElementById('" + layerID + "').style"); }
  if(isNS4) { returnLayer = eval("document." + layerID); }
  if(isOther) 
  { returnLayer = "null";
    alert("-[Error]-\nDue to your browser you will probably not\nbe able to view all of the following page\nas it was designed to be viewed. We regret\nthis error sincerely.");
  }
  return returnLayer;
}

function HideShow(ID)
{
	if((aLs(ID).visibility == "visible") || (aLs(ID).visibility == ""))
	{ aLs(ID).visibility = "hidden";
	}
	else if(aLs(ID).visibility == "hidden")
	{ aLs(ID).visibility = "visible";
	}
}