some minor enhancements

added option to click timeline elements
	this will jump directly to show details
	addresses issue #1

changed time selection combo
	added some more entries..
	maybe it would be better to make it completely flexible? (e.g. textbox)

changed timeline
	added option to select the time-frame to show the timeline for
	(in the past this was always "now")

minor template fixes / enhancements
	moved search options up and reduced size
	now always visible, even when scrolling