function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}

function disableInputs(id)
{
	$(id).getElements('input').each(
		function(element,index)
		{
			if(element.getAttribute('disabled'))
			{
				element.removeAttribute('disabled');
				element.setStyle('background-color','rgb(255, 255, 255)');
			}
			else
			{
				element.setAttribute('disabled','disabled');
				element.setStyle('background-color','rgb(239, 239, 239)');
				element.value = '';
			}
		}
	)
}