tainer = document.getElementById("container");
		var content = document.getElementById("content");
	
		content.style.width = contentWidth + "px";
		content.style.height = contentHeight + "px";


		// Generate content
		var size = 100;
		var frag = document.createDocumentFragment();
		for (var row=0, rl=contentHeight/size; row<rl; row++) {
			for (var col=0, cl=contentWidth/size; col<cl; col++) {
				elem = document.createElement("div");
				elem.style.backgroundColor = row%2 + col%2 > 0 ? "#ddd" : "";
				e