function detectversion() 
{ 
	var NomNav = navigator.appName; // place le nom du navigateur dans la variable NomNav
	var VersNav = navigator.appVersion; // place la version du navigateur dans la variable VersNav
	var NumVers = parseFloat(VersNav); // transforme en numérique flottant

	//if (NumVers >= 4) { // teste si version >= à 4
	
	    if (NomNav == "Netscape") 
	    { // teste si NS
	    	return NomNav;
	    }
	    if (NomNav == "Microsoft Internet Explorer") 
	    { 
	    	// teste si MIE vers >=4
	    	return "ie6";
	    }
	    else return 0;
}


function getWindowHeight() {
		var windowHeight = 0;
		if (typeof(window.innerHeight) == 'number') {
			windowHeight = window.innerHeight;
		}
		else {
			if (document.documentElement && document.documentElement.clientHeight) {
				windowHeight = document.documentElement.clientHeight;
			}
			else {
				if (document.body && document.body.clientHeight) {
					windowHeight = document.body.clientHeight;
				}
			}
		}
		return windowHeight;
	}
	function setFooter() {
		if (document.getElementById) {
			var windowHeight = getWindowHeight();
			if (windowHeight > 0) {
				var contentHeight = document.getElementById('nofooter').offsetHeight;
				var footerElement = document.getElementById('footer');
				var footerHeight  = footerElement.offsetHeight;
				if (windowHeight - (contentHeight + footerHeight) >= 0) {
					footerElement.style.position = 'relative';
					var navi = detectversion();
					//alert(navi);
					//if(navi == "ie6")
					//	footerElement.style.top = ((windowHeight - (contentHeight + footerHeight)) + footerHeight) + 'px';
					//else
						footerElement.style.top = (windowHeight - (contentHeight + footerHeight)) + 'px';
					//alert("window: "+windowHeight + " content: "+ contentHeight + " top: "+footerElement.style.top);
				}
				else {
					//alert("static");
					//footerElement.style.position = 'static';
				}
			}
		}
	}
	window.onload = function() {
		setFooter();
	}
	window.onresize = function() {
		setFooter();
	}