function make_the_max ()  {
	if (document.getElementById 
		&& document.getElementById ('mastercontainer') 
		&& document.getElementById ('mastercontainer').offsetHeight
	)  {
		var current_height = document.getElementById ('mastercontainer').offsetHeight;
		
		var win_height = current_height;
		if (window.innerHeight)  {
			win_height = window.innerHeight
		}  else if (document.documentElement && document.documentElement.clientHeight)  {
			win_height = document.documentElement.clientHeight;
		}  else if (document.body && document.body.clientHeight)  {
			win_height = document.body.clientHeight;
		}
		
		if (current_height < win_height)  {
			document.getElementById ('mastercontainer').style.height = win_height+"px";
		}
	}
}