var isIe4=false,isDom=false, isMac=false, isWin=false, isNs=false, isFlash=-1, isLoaded=false, isIe=false;
var isIe50=false, isNs4=false, isImg=false, fNum=0, direction="up", timer, lastNum=1, gPage="normal";

function init()
{
	if (isDom)
	{
		isLoaded=true;
		hideAnswers();
	}
}

function showMe(divID)
{
	if (isLoaded) document.getElementById(divID).style.display='block';
}
function hideMe(divID)
{
	if (isLoaded) document.getElementById(divID).style.display='none';
}

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 showQuestion(num)
{
	hideAnswers();
	showMe('q'+num);
}

function hideAnswers()
{
	for(i=1;i<9;i++)
	{
		hideMe("q"+i);
	}
}


isMac=(navigator.platform=="MacPPC")? true:false;
isWin=(navigator.appVersion.indexOf("Win")!=-1)? true:false;
isIe=(navigator.appName=="Microsoft Internet Explorer")? true:false;
isNs=(navigator.appName.indexOf=="Netscape")? true:false;
isIe4=(document.all)? true:false;
isDom=(document.getElementById)? true:false;

if (isIe)
{
	if ((navigator.appVersion.charAt(0)=="5")&&(navigator.appVersion.charAt(2)=="0"))
	{
		isIe50=true;
	}
}

if ((parseInt(navigator.appVersion)==4) && (navigator.appName=="Netscape"))
{
	isNs4 = true;
	isImg = true;
}

window.onload=init;