ksykulev

	function beginningOfMonth(date){
		if(typeof date === 'undefined'){
			date = new Date();
		}
		date.setMilliseconds(0);
		date.setSeconds(0);
		date.setMinutes(0);
		date.setHours(0);
		date.setDate(1);
		return new Date(date);

ksykulev

// $('img.photo',this).imagesLoaded(myFunction)
// execute a callback when all images have loaded.
// needed because .load() doesn't work on cached images

// mit license. paul irish. 2010.
// webkit fix from Oren Solomianik. thx!

// callback function is passed the last image to load
//   as an argument, and the collection as `this`

ksykulev

# The goal is to traverse a tree and return an array A[0...h], where h is the height
# of the tree and A[i] is an array of items at height i.
# example:
# tree -> 
#                 0
#          1              2
#       3    4        5       6
#     7  8  9 10    11 12   13 14
#
# should give you: