var _origURL = document.location.href;
function detectHeight() {
	if (window.postMessage && /MSIE (6|7|8|9)/.test(navigator.userAgent) == false && /Opera/.test(navigator.userAgent) == false) {
		if (typeof window.addEventListener != 'undefined') {
			window.addEventListener('message', updateFrame, false);
		} else if (typeof window.attachEvent != 'undefined') {
			window.attachEvent('onmessage', updateFrame);
		}
	} else {
		//var _poller = function() {
		window.setTimeout(function() {
			if(document.location.href != _origURL) {
				e = {data: document.location.href.replace(/^.*#/, ''), origin: ''};
				document.location = document.location.href.replace(/#.*$/, '#');
				updateFrame( e );
				//window.clearInterval(_pollerInterval);
			}
		}, 100);
		//var _pollerInterval = window.setInterval(_poller, 500);
	}
}

var updateFrame = function(e) {
	nh = parseInt( e.data.replace('ih=', '') )+100;
	document.getElementById('iframe').style.height = nh+'px';
}