// JavaScript Document

function adjustScrollHeight() {
	var screenH = screen.height;
	var screenW = screen.width;

	if (screenH <= 500) {
		// very small screen, remove overflow scroll and use main browser scroll
		$('scroll').style.height = $('scroll').scrollHeight+20+'px';
	} else if (screenH <= 768) {
		// small laptop screen, adjust overflow scroll bar
		$('scroll').style.height = '540px';
	}
}
// Setup repeated call via setInterval
Event.observe(window, 'load', function (e) {adjustScrollHeight();});