sniff out iframe and resize

gistfile1.js

(function (window) {
	function sendChangeHeightMessage() {
		var newHeight = window.location.search.substring(1),
			par = window.parent.parent,
			frameId = 'iframe_sparq',
			el = par.document.getElementById(frameId);
	
		if (el != null) {
			if (newHeight != "") {
				//alert(window.location.search.substring(1));
				el.height = newHeight + "px";
			}
		}
	}
	window.onload = sendChangeHeightMessage;
})(window);