var isNav4 = false;
var isIE4 = false;
var isMac = false;
var isNav6 = false;

if (parseInt(navigator.appVersion.charAt(0)) >= 4) {
	isNav4 = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) != 5) ? true : false
	isNav6 = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) == 5) ? true : false
	isIE4  = (navigator.appName.indexOf("Microsoft") != -1) ? true : false
	isMac  = (navigator.platform.indexOf("Mac") != -1) ? true : false
}

function alignFooter() {	
	if(isNav6 || isNav4) {	   		
		if(document.getElementById('container').clientHeight < document.body.clientHeight) {
			document.getElementById('footer').style.marginTop = document.body.clientHeight - (document.getElementById('content').clientHeight + document.getElementById('header').clientHeight + document.getElementById('footer').clientHeight + document.getElementById('navigation').clientHeight + 12)+'px';		    
        }
	} else {
		if(document.getElementById('container').clientHeight < document.body.clientHeight) {
		
		}
		document.getElementById('footer').style.marginTop = document.body.clientHeight - (document.getElementById('content').clientHeight + document.getElementById('header').clientHeight + document.getElementById('footer').clientHeight + document.getElementById('navigation').clientHeight + 2)+'px';
	}
}

function alignSidebar() {
	document.getElementById('sidebar').style.height = (document.getElementById('container').clientHeight) + "px";
}