function checkIE6(){
	// adds content to the page for IE6 users.
	if(Browser.Engine.trident && Browser.Engine.version == 4 ){
		var txt = new Element('div', {'id':'ie6Warning','html':'<h2>Time to upgrade your browser!</h2><p>You are using Internet Explorer 6, an out-dated browser that cannot cope with the demands of the modern internet.</p><p>We recommend upgrading to <a href="http://www.getfirefox.com/">Mozilla Firefox</a>, <a href="http://www.apple.com/safari/">Apple Safari</a>, <a href="http://www.google.com/chrome">Google Chrome</a>, <a href="http://www.opera.com/">Opera</a> or the latest version of <a href="http://www.microsoft.com/windows/downloads/ie/getitnow.mspx">Internet Explorer</a>.</p><p>For more information, please visit <a href="http://www.browserupgrade.info/ie6/">browserupgrade.info</a>.</p>'});
		$(document.body).grab(txt);
	}
}

function logoToolTip(){
	// Hover effect for Logo link
	var logoLink = $('atm-link');
	
	//create the tooltip DIV
	var toolTip = $('atm-info');
	toolTip.setStyles({'opacity':0,'right':'0px'});
	//alert(Browser.Engine.name);
	
	if(Browser.Engine.name == 'webkit'){
		// safari, chrome
		toolTip.setStyles({'top':'-95%'});
	}
	
	//create morph obj
	tooltipMorph = new Fx.Morph(toolTip,{'link':'cancel','duration': 'normal', 'transition': Fx.Transitions.Sine.easeInOut});
	
	var showTooltip = function(){
		var dest = 127;
		if(Browser.Platform.win && Browser.Engine.name == 'trident' && Browser.Engine.version<='5'){
			var dest = 120;
		}
		
		//clear timer
		if(this.timeoutID!==undefined) $clear(this.timeoutID);
		
		this.start({
			'opacity': 1   
		});
		
	}
	var hideTooltip = function(){
		// fade out
		this.start({
				'opacity': 0   
		});
	}
	
	var startHideTooltipTimer = function(){
		//begin timer to fade out
		this.timeoutID = hideTooltip.delay(1000,this);
	}
	
	var clearTimer = function(){
		//clear timer
		if(this.timeoutID!==undefined) $clear(this.timeoutID);
	}
	
	//console.log(hideTooltip);
	
	logoLink.addEvent('mouseenter', showTooltip.bind(tooltipMorph));
	logoLink.addEvent('mouseleave', startHideTooltipTimer.bind(tooltipMorph));
	
	toolTip.addEvent('mouseenter', clearTimer.bind(tooltipMorph));
	toolTip.addEvent('mouseleave', startHideTooltipTimer.bind(tooltipMorph));
	
}