$(document).ready(function(){
	setWindow();
	$(window).resize(function(){
		setWindow();
	});
});

function setWindow()
{
	var wheight = $(window).height();
	var contentY = $('div#content').get(0).offsetTop;
	if ($('div#content').height()< (wheight-contentY))
	{
		$('div#content').css('height', (wheight-contentY));
	}
}