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";
 }
}
window.onload = externalLinks;

function view ( elementId , What )
{
	if(What == 'hide')
	{
		var currentElement;
		currentElement = document.getElementById ( elementId );
		currentElement.style.visibility = "hidden";
	}
	else
	{
		var currentElement;
		currentElement = document.getElementById ( elementId );
		currentElement.style.visibility = "visible";
	}
}