var staturl = "";
var staturl2 = "";

var bName = navigator.appName;
var bVer = parseInt(navigator.appVersion);
var ver = navigator.appVersion; 
var MacPPC = (navigator.platform=='MacPPC') ? true : false;
var netscapeDOM = (document.layers) ? true : false;
var microsoftDOM = (document.all) ? true : false;
var geckoDOM = (document.getElementById && microsoftDOM != true) ? true : false;

if(geckoDOM) { netscapeDOM = false; microsoftDOM = false; }

var suppDHTML = ((bVer >= 4) && (netscapeDOM || microsoftDOM || geckoDOM)) ? true : false;

var hidestr = null;
var showstr = null;
var domstr = null;
var prestr = null;
var poststr = null;

if (microsoftDOM) { 

	hidestr = "hidden";
	showstr = "visible";
	prestr = "document.all.";
	poststr = ".style";
}
else if (netscapeDOM) { 

	hidestr = "hide";
	showstr = "show";
	prestr = "document.layers.";
	poststr = "";
	
}
else if (geckoDOM) {

	hidestr = "hidden";
	showstr = "visible";
	prestr = "document.getElementById('";
	poststr = "').style";	

}

var style_s = '<span class=\"bigRed\">';
var style_e = '<\/span>'

function writeToLayer(layername, writestring) {

	var style_s = '<span class=\"bigRed\">';
	var style_e = '<\/span>'
	
	writestring = style_s + writestring + style_e;

	if(microsoftDOM) { 
				
		eval(prestr + layername).innerHTML = writestring;
		
	}
	else if(netscapeDOM) {
	
		eval(prestr + layername).document.open();
		eval(prestr + layername).document.writeln(writestring);
		eval(prestr + layername).document.close();
									
	}
	else if(geckoDOM) {
	
		document.getElementById(layername).innerHTML = writestring;
				
	}

}

function checkAnswer() {
	
	var correctnum = 0;
	var radioButtons = document.forms['quiz'].radioGroup;
	var answers = new Array('Correct!', 'Wrong, try again', 'Nope, not this one', 'Incorrect, guess again', 'Survey says...no!');
	
	for ( var i = 0; i < radioButtons.length; i++ ) {
		
		if ( radioButtons[i].checked ) {

			writeToLayer('answer', '<b>' + answers[radioButtons[i].value] + '</b>');
		
		}
	
	}
	
}

function showPage(url) {

	staturl = url;

	if (suppDHTML && !geckoDOM) {
	
		if (microsoftDOM) {
		
			document.all.quickstats.src = staturl;		
		
		}
		else if (netscapeDOM) {
		
			document.layers['ilayer1'].document.layers['layer1'].src = staturl;
			document.layers['ilayer1'].document.layers['layer1'].document.close();
			
		}	
	}
	else {
	
		if(geckoDOM) {
			
			document.getElementById("quickstats").src = staturl;
			
		}
		else {
			
			var statWindow = window.open(staturl,"statWindow","width=770, height=234");
			statWindow.focus();	
			
		}
		
	}

}

function showPage2(url) {

	staturl2 = url;

	if (suppDHTML && !geckoDOM) {
	
		if (microsoftDOM) {
		
			document.all.quickstats2.src = staturl2;		
		
		}
		else if (netscapeDOM) {
		
			document.layers['ilayer2'].document.layers['layer2'].src = staturl2;
			document.layers['ilayer2'].document.layers['layer2'].document.close();
			
		}	
	}
	else {
	
		if(geckoDOM) {
			
			document.getElementById("quickstats2").src = staturl2;
			
		}
		else {
			
			var statWindow2 = window.open(staturl2,"statWindow2","width=770, height=234");
			statWindow2.focus();	
			
		}
		
	}

}