var kTransitionDuration = 5000;
var kTransitionEasingMode = 'linear';
var kFadeinDuration = 800;
var kFadeinEasingMode = 'linear';
var kTabFadeinDuration = 200;
var kTabFadeinEasingMode = 'swing';

function log(string) {
	if (debug_mode) {
		var d = $('#debug').html();
		$('#debug').html(string + "<br/>" + d);
	}
}

var isShowingTab = 0;

function mouseEnterHeader(section) {
	log('mouseEnter:' + section);
	var subcat = $('#' + section + '.subcat');
	if (isShowingTab != section) {
		subcat.fadeIn(kTabFadeinDuration);		
		isShowingTab = section;
	}
}

function mouseLeaveHeader(section) {
	log('mouseLeave');
	isShowingTab = 0;
	setTimeout(function() {
		if (isShowingTab != section) {
			$('#' + section + '.subcat').hide(150);
			log('closetab:' + section);
		}
	}, 500);
	
}