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