Make Div 100% height even when scrolling

Hi

Im having problems making an overlay div 100% height of body.
When you scroll down it stops. The ovelay is positioned absolute

How can i make it 100% height? I dont want to use position fixed because then i cant scroll dowon to see all content on the overlay?

Click "login" on this link to see overlay:
http://dev.openwaterdesign.com/channel/

Thanks
coolispaulAsked:
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Kyle HamiltonData ScientistCommented:
you have to make the overlay the height of the document, not the window, adjust your javascript:

$(document).ready(function() {
	$(".login").click(function() {
			//console.log(2);
	        var height = $(document).height();
		$(".overlay").css({"height": height}).fadeIn();
	});
	$(".close-link").click(function() {
		$(".overlay").fadeOut();
	});

});

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coolispaulAuthor Commented:
great thanks that works

Is there a way to do this with css?

Ta
0
Kyle HamiltonData ScientistCommented:
np. and, not really.
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