/* thanks to PPK www.quirksmode.org */
function addEvent( obj, type, fn )
{
	if (obj.addEventListener)
	{
		obj.addEventListener( type, fn, false );
	}
	else if ( obj.attachEvent ) 
	{
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() 
		{ 
			obj["e"+type+fn]( window.event ); 
		}
		obj.attachEvent( "on"+type, obj[type+fn] );
	}
}

addEvent( window, 'load', relExternal ); // Functie aanroepen

function relExternal()
{

	var ExternalLinks = document.getElementsByTagName('a');
	
	for( var i = 0; i < ExternalLinks.length; i++ )
	{
		if( ExternalLinks[i].rel == 'external')
		{
			ExternalLinks[i].onclick = function ()
			{
				window.open( this.href, '_blank', '');
				return false;
			}	
		}
	}
}