window.onload = function() {
	var tempNode = document.getElementById('iframe');
	if (!tempNode) return false;

	var url = tempNode.innerHTML;

	if (url.substr(0,32)!='http://www.yourwebsite.com') return false;
        //replace www.yourwebsite.com with the correct domain name

	var contentNode = tempNode.parentNode;
	contentNode.removeChild(tempNode);

	var iframe = document.createElement('iframe');
	iframe.setAttribute('width','100%');
	iframe.setAttribute('height','400');
        iframe.setAttribute('frameBorder','0');
	iframe.style.border = 'none';
	iframe.setAttribute('src',url);

	contentNode.appendChild(iframe);
	return false;
}