var cleared = false;

function clear_search(obj)
{
	if ( cleared )
		return;
	else
	{
		obj.value = "";
		cleared = true;
	}
}

function restore_search(obj, newVal)
{
	if ( cleared )
		if ( obj.value == "" )
		{
			obj.value = newVal;
			cleared = false;
		}
		else
			return;
}

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;