var currentDocument = document;

var dom=(currentDocument.getElementById && !currentDocument.all) //NN6
var IE=(currentDocument.getElementById && currentDocument.all) //IE4 and+
var ns4=(currentDocument.layers)?1:0; //the only browser that uses Layers
var ie4=((currentDocument.all)&&(!currentDocument.getElementById))?1:0;
var ie5up=((currentDocument.all)&&(currentDocument.getElementById))?1:0;
var dom=((currentDocument.getElementById)&&(!currentDocument.all))?1:0;
var ns4up=((currentDocument.getElementById)&&(!currentDocument.all))?1:0;

function show(object) 
{
	if (ns4)
  	currentDocument.layers[object].visibility = 'visible';
  else if (ie4)
  	currentDocument.all[object].style.visibility = 'visible';
	else if (ie5up)
		currentDocument.getElementById(object).style.visibility = 'visible';
	else if (ns4up)
		currentDocument.getElementById(object).style.visibility = 'visible';
	else if (dom)
		currentDocument.getElementByID(object).style.visibility = 'visible';
}
function hide(object) 
{
	if (ns4)
  	currentDocument.layers[object].visibility = 'hidden';
  else if (ie4)
  	currentDocument.all[object].style.visibility = 'hidden';
	else if (ie5up)
		currentDocument.getElementById(object).style.visibility = 'hidden';
	else if (ns4up)
		currentDocument.getElementById(object).style.visibility = 'hidden';
	else if (dom)
		currentDocument.getElementByID(object).style.visibility = 'hidden';
} 
function colorg(object) 
	{
		if (ns4)
  		currentDocument.layers[object].style.color = '#ff7f50';
	  else if (ie4)
  		currentDocument.all[object].style.color = '#ff7f50';
		else if (ie5up)
			currentDocument.getElementById(object).style.color = '#ff7f50';
	else if (ns4up)
		currentDocument.getElementById(object).style.color = '#ff7f50';
			
		else if (dom)
			currentDocument.getElementByID(object).style.color = '#ff7f50';
	}
function colorb(object)
	{
		if (ns4)
  		currentDocument.layers[object].style.color = '#666794';
	  else if (ie4)
  		currentDocument.all[object].style.color = '#666794';
		else if (ie5up)
			currentDocument.getElementById(object).style.color = '#666794';
		else if (ns4up)
			currentDocument.getElementById(object).style.color = '#666794';			
		else if (dom)
			currentDocument.getElementByID(object).style.color = '#666794';
	}
function coloro(object)
	{
		if (ns4)
  		currentDocument.layers[object].style.color = '#8fbc8f';
	  else if (ie4)
  		currentDocument.all[object].style.color = '#8fbc8f';
		else if (ie5up)
			currentDocument.getElementById(object).style.color = '#8fbc8f';
		else if (ns4up)
			currentDocument.getElementById(object).style.color = '#8fbc8f';
			
		else if (dom)
			currentDocument.getElementByID(object).style.color = '#8fbc8f';
	}

function setDocument(doc) {
	currentDocument = doc;
}