var explorer, netscape4, netscape6;
var theDOM, theSuffix, hiddenKeyword, dhtml;

if (document.all) {explorer = true;}
else if (document.layers) {netscape4 = true;} 
else {netscape6 = true;}

if(explorer)
{
   theDOM = "document.all";
   theSuffix = ".style";
   hiddenKeyword = "hidden";
   dhtml = true;
}

if(netscape4)
{
   theDOM = "document";
   theSuffix = "";
   hiddenKeyword = "hide";
   dhtml = true;
}

if (netscape6)
{
  theDOM = "document.getElementsByTagName('*')";
  theSuffix = ".style";
  hiddenKeyword = "hidden";
  dhtml = true;
}

function showIt(theObject)
{
   if(dhtml){
		var theObjectReference = eval(theDOM + "." + theObject + theSuffix);
		theObjectReference.visibility = "visible";
		theObjectReference.display = "block";
	}
}

function hideIt(theObject)
{
   if(dhtml){
		var theObjectReference = eval(theDOM + "." + theObject + theSuffix);
		theObjectReference.visibility = hiddenKeyword;
		theObjectReference.display = "none";
	}
}