for each circle:
	label = circle.label
	for each search term:
		if term in label:
			show node label
			break

//Assumes variable "dataset" already loded in HTML with properties "xval", "yval", and "label"

//Plot the points
svg.selectAll("circle")
	.data(dataset)
	.enter()
	.append("circle")
	.attr("cx", function(d, i) {
		return xScale(d.xval);
	})
	.attr("cy", function(d, i) {
		return yScale(d.yval);
	})
	.attr("label", function(d, i) { //A good idea?
		return d.label;
	})

//var searchTerms = array of user-submitted terms;
svg.selectAll("circle")
	for (i = 0; i < searchTerms.length; i++) {
		if(circle.label.indexOf(searchTerms[i]) !== -1) {
			svg.append("text")				
				.attr("id", "t-" + x) //x being unique identifier of circle, so they'd match
				.attr("x", xScale(circle.xval) + 10)
				.attr("y", yScale(circle.yval))
				.text(circle.label);
		}
	}

//Highlight nodes that meet search term
svg.selectAll("circle")
	.attr("fill", function(d, i) {
		if (this.getAttribute("selected") === "true") {
			return this.getAttribute("fill");
		}
		for (iter = 0; iter < searchTerms.length; iter++) {
			var term = searchTerms[iter];
			if (d.label.indexOf(term) !== -1) {
				circlesToAddLabel.push(this);
				return "#e00";
			}
		}
		return "#000";
	})
	.attr("selected", function(d, i) {
		if (this.getAttribute("selected") === "true") {
			return true;
		}
		for (iter = 0; iter < searchTerms.length; iter++) {
			var term = searchTerms[iter];
			if (d.label.indexOf(term) !== -1) {
				return true;
			}
		}
		return false;
	});