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scroll.js

+var header 	= document.getElementById("header");
+var title 	= document.getElementById("title");
+var content	= document.getElementById("container");
+
+var minPad = 20;
+
+header.style.position 	= "fixed";
+
+function resize()
+{
+	pad = window.innerHeight*.28 - title.clientHeight/2;
+
+	content.style.marginTop 	= window.innerHeight*2/3 + "px";
+	content.style.paddingTop 	= window.innerHeight*2/5 + "px";
+
+	scroll();
+}
+
+function scroll()
+{
+	var scrolled = document.documentElement.scrollTop;
+	var top =	 pad 	- scrolled;
+	var bottom = pad*2 	- scrolled;
+
+	header.style.paddingTop = ( top < minPad ? minPad : top ) + "px";
+	header.style.paddingBottom = ( bottom < minPad ? minPad : ( pad < bottom ? pad : bottom ) ) + "px";
+}
+
+onresize = resize;
+onscroll = scroll;
+
+resize();