var isIe4=false, isDom=false, isMac=false, isWin=false, isNs=false, isNs4=false, isFlash=-1, isLoaded=false, isIe=false, isIe50=false;
var lastId="li1";
function init()
{
	if (isDom)
	{
		isLoaded=true;
	}
}

function showMe(divID)
{
	if (isLoaded) document.getElementById(divID).style.visibility='visible';
}
function hideMe(divID)
{
	if (isLoaded) document.getElementById(divID).style.visibility='hidden';
}
function writeMe(divID,divText)
{
	if (isLoaded)
	{
		document.getElementById(divID).innerHTML=divText;
	}
	if (isNs4)
	{
		document.layers[divID].document.open()
		document.layers[divID].document.write(divtext)
		document.layers[divID].document.close()
	}
}
function setActiveLI(liID) { 

for(i=1;i<4;i++)
{
	flipLi = document.getElementById("li"+i);
	flipLi.setAttribute("class", ""); 
	flipLi.setAttribute("className", ""); 
}

var currLI = document.getElementById(liID); 

currLI.setAttribute("class", "active"); 
currLI.setAttribute("className", "active"); 

return; 
} 

function showImage(imgURL,liId)
{
	if(lastId!=liId)
	{
		imgString = "<img src='"+imgURL+"' />";
		writeMe('imageSwap',imgString);
		setActiveLI(liId);
		lastId = liId;
	}
}

isMac=(navigator.platform=="MacPPC")? true:false;
isWin=(navigator.appVersion.indexOf("Win")!=-1)? true:false;
isIe=(navigator.appName=="Microsoft Internet Explorer")? true:false;
isIe4=(document.all)? true:false;
isDom=(document.getElementById)? true:false;
if ((parseInt(navigator.appVersion)==4) && (navigator.appName=="Netscape"))
{
	isNs4 = true;
	isImg = true;
}
window.onload=init;