function set_link_target()
{
	var a = document.getElementsByTagName('a');
	var n = a.length;
	var i = 0;
	while(i<n)
	{
		if(a[i].href && (a[i].href.match(/\.pdf$/)  || !(   a[i].href.match(/^(.*)kloster-hegne\.de(.*)$/) || a[i].href.match(/^\//))  ))
		{
			a[i].target="_blank";
		}
		++i;
	}
}
set_link_target();