function setIframe(obj) {
	if(! document.all) {
		var winHeight = document.all ? obj.contentWindow.document.body.clientHeight : obj.contentWindow.document.body.scrollHeight;
	} else {
		var bottomMarker = obj.contentWindow.document.createElement("div");
		obj.contentWindow.document.body.appendChild(bottomMarker);
		var winHeight = bottomMarker.offsetTop;
		obj.contentWindow.document.body.removeChild(bottomMarker);
	}
	obj.style.height = winHeight +70 + 'px';
}