function adjustheight(f){
			
			alert(f.contentWindow.document.body.offsetHeight);
			
			f.style.height = (f.contentWindow.document.body.offsetHeight+50)/16 + "em";
		}
		
		function getObj(obj, outputElmt){
			var property, propCollection = "";
			for(property in obj) {
		        propCollection += (property + ": " + obj[property] + "<br>");
		    }
		    $(outputElmt).append(propCollection);
			
		}