/**
 * Grid-A-Licious(tm)
 * Copyright (c) 2008 Suprb - info(at)suprb(dot)com
 *
 * License Agreement: By downloading Grid-A-Licious(tm),
 * you agree to the following: The copyright information 
 * must remain intact in the product.
 *
 * The product may be used for personal use only, no 
 * commercial projects. You are not free to remove the 
 * copyright information (anywhere).
 * 
 * You are not free to use or copy any of the 
 * "grid-a-licious.js" (this file) code on your own products
 * without asking for permission.
 * 
 * Thanks for understanding.
 */

	var MIN_COLS = 3;
	var COL_WIDTH = 220;
	var GAP = 10;
	if (!TOP) {
		var TOP =  -30;
	}
	var offx = 0;
	var offy = TOP;
	maxy = new Array();
	boxHeight = new Array();
	var columsHeight = 0;
	
	Array.prototype.sum = function() {
	  return (! this.length) ? 0 : this.slice(1).sum() +
		  ((typeof this[0] == 'number') ? this[0] : 0);
	};
	
	Array.prototype.max = function () {
		if (this.length == 0) return undefined;
		var n = Number(this[0]);
		for (var i=1; i<this.length; i++) {n = Math.max(n, this[i])};
		return n;
	}
	
	// on site load (DOM READY)
	$(function() { 
		offy = $('#allposts').offset().top;
		offx = $('#allposts').offset().left;
		arrange(); 
	});
	
	// on window resize, call again
	$(window).resize( function() { arrange(); } );
	
	arrange();
	
	function arrange() {
		
		//Adrien
		var boxCount = 0;
	
		// how many columns fits here?
		var columns = Math.max(MIN_COLS, parseInt($('body').innerWidth() / (COL_WIDTH+GAP)));
		$('.eachpost').css('width',COL_WIDTH  + 'px');
		$('.twocols').css('width', COL_WIDTH*2 + GAP  );
		$('.threecols').css('width', COL_WIDTH*3 + GAP*2);

		for (x=0; x < columns; x++) {
			maxy[x] = TOP;
		}
		
		// lets iterate over all posts
		$('.eachpost').each(function(i) {

			var pos, cursor, w , altura= 0;
			w = (Math.floor($(this).outerWidth() / COL_WIDTH));
			cursor = 0;

			if (w>1) {
				for (x=0; x < columns-(w-1); x++) {
					cursor = maxy[x] < maxy[cursor] ? x : cursor;
				}
				pos = cursor;
				
				for (var x=0; x<w; x++) {
					altura = Math.max(altura, maxy[pos+x]);
				}
				for (var x=0; x<w; x++) 
					maxy[pos+x] = parseInt($(this).outerHeight()) + GAP + altura;
					
				$(this).css('left', pos*(COL_WIDTH+GAP) + offx).css('top',altura + offy + TOP);
				
				//Adrien
				columsHeight = maxy[cursor];
				boxHeight[boxCount] = altura;
				boxCount++;
				
			}
			else {
			
				for (x=0; x < columns; x++) {
					cursor = maxy[x] < maxy[cursor] ? x : cursor;
				}

				$(this).css('left', cursor*(COL_WIDTH+GAP) + offx).css('top',maxy[cursor] + offy);
				maxy[cursor] += $(this).outerHeight() + GAP;
				
				// Adrien
				columsHeight = maxy[cursor];
				boxHeight[boxCount] = maxy[cursor];
				boxCount++;
			}
			
		});
		
		// Adrien
		var pageHeight = boxHeight.max()-TOP > columsHeight ? boxHeight.max()-TOP : columsHeight;
		$('#page').css('height', pageHeight);
		
	}