var BoxHeights = {
	maxh: 0,
	boxes: Array(),
	num: 0,
	equalise: function() {
		this.num = arguments.length;
		this.boxes = arguments;
		this.maxheight();
		for (var i=0;i<this.num;i++) {
			if($(arguments[i])) $(arguments[i]).height(this.maxh);
		}
	},
	maxheight: function() {
		var heights = new Array();
		for (var i=0;i<this.num;i++) {
			heights.push($(this.boxes[i]).height());
		}
		heights.sort(this.sortNumeric);
		this.maxh = heights[this.num-1];
	},
	sortNumeric: function(f,s) {
		return f-s;
	}
}