var h,w
	h = screen.height
	w = screen.width

	function boo()
	{
	alert()
	}

	function open_popunder(url, title, width, height) 
	{		
		var h,w
		h = screen.height
		w = screen.width		
		
		// if the width and height are bs, then default
		if((width < 5) || (height < 5))
		{
			width = 640
			height = 480
		}
		
		// center the popunder based on popunder size 
		var l,t
		l = parseInt((w-width)/2)
		t = parseInt((h-height)/2)		
		win = window.open(url, '' ,'scrollbars=yes,resizable=yes,toolbar=no,menubar=no,status=no,location=no,width='+width+',height='+height+',left='+l+', top='+t+'')			
			
		// this check is necesary for pop blockers
		if((win != null) && (!win.closed))
		{
			win.blur();
		}
	}

	// js for redirecting to the landing page. defaulting the size to 800 by 600
	function open_landing(link) 
	{
		location.href = link
		
		var l,t
		l = parseInt((w-800)/2)
		t = parseInt((h-600)/2)		

		window.moveTo(l,t);
		window.resizeTo(800, 600);
		focus();
	}