iframe Auto Height

iframeAutoHeight.js

var iframeAutoHeight = function(iframe){
	var src
	setInterval(function(){
		if (src != iframe.contentWindow.location.href){
			setHeight()
			src = iframe.contentWindow.location.href
		}
	}, 200)
	function setHeight(){
		try{
			iframe.height = 400
			var bHeight = iframe.contentWindow.document.body.scrollHeight;
			var dHeight = iframe.contentWindow.document.documentElement.scrollHeight;
			var height = Math.max(bHeight, dHeight);
			iframe.height =  height;
		}catch(e){}
	}
}