YAHOO.util.Event.onDOMReady(function() {
	//they say getTimezoneOffset() is buggy sometimes, so we will use code from
	// http://www.onlineaspect.com/2007/06/08/auto-detect-a-time-zone-with-javascript/#idc-ctools
	var rightNow = new Date();
	var jan1 = new Date(rightNow.getFullYear(), 0, 1, 0, 0, 0, 0);
	var temp = jan1.toGMTString();
	var jan2 = new Date(temp.substring(0, temp.lastIndexOf(" ")-1));
	var std_time_offset = (jan1 - jan2) / (1000 * 60);

	var june1 = new Date(rightNow.getFullYear(), 6, 1, 0, 0, 0, 0);
	temp = june1.toGMTString();
	var june2 = new Date(temp.substring(0, temp.lastIndexOf(" ")-1));
	var daylight_time_offset = (june1 - june2) / (1000 * 60 * 60);
	var dst;
	if (std_time_offset == daylight_time_offset) {
		 dst = "0"; // daylight savings time is NOT observed
	} else {
		 dst = "1"; // daylight savings time is observed
	}

	var strKey = std_time_offset+","+dst;

	var tzSelect = document.getElementsByName('timezone')[0];
	for(var i=0; i<tzSelect.options.length; ++i) {
		var val = tzSelect.options[i].value;
		if(val.substring(val.indexOf(",")+1)==strKey) {
			tzSelect.selectedIndex = i;
			return;
		}
	}
});