Move around labels d3js

gistfile1.js

function arrangeLabels() {
			var move = 1;
			while (move > 0) {
				move = 0;
				svg.selectAll(".place-label")
					.each(function() {
						var that = this,
							a = this.getBoundingClientRect();
						svg.selectAll(".place-label")
							.each(function() {
								if (this != that) {
									var b = this.getBoundingClientRect();
									if ((Math.abs(a.left - b.left) * 2 < (a.width + b.width)) &&
										(Math.abs(a.top - b.top) * 2 < (a.height + b.height))) {
										// overlap, move labels
										var dx = (Math.max(0, a.right - b.left) +
												Math.min(0, a.left - b.right)) * 0.01,
											dy = (Math.max(0, a.bottom - b.top) +
												Math.min(0, a.top - b.bottom)) * 0.02,
											tt = d3.transform(d3.select(this).attr("transform")),
											to = d3.transform(d3.select(that).attr("transform"));
										move += Math.abs(dx) + Math.abs(dy);

										to.translate = [to.translate[0] + dx, to.translate[1] + dy];
										tt.translate = [tt.translate[0] - dx, tt.translate[1] - dy];
										d3.select(this).attr("transform", "translate(" + tt.translate + ")");
										d3.select(that).attr("transform", "translate(" + to.translate + ")");
										a = this.getBoundingClientRect();
									}
								}
							});
					});
			}
		}