/*
author:   Michael Eichelsdoerfer, www.michael-eichelsdoerfer.de
version:  1.1
date:     2008-05-08
client:   Die Hauttieraerzte, www.hauttieraerzte.net
about:    global JavaScript file;
          * link control (new windows via JavaScript)
*/

function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			if (oldonload) {
				oldonload();
			}
			func();
		}
	}
}

function linkControl() {

    var thishost = window.location.host;
    var filetype = ".pdf";

	if (!document.getElementById) return false;
    if (!document.getElementsByTagName) return false;

    var links = document.getElementById("content").getElementsByTagName("a");
    for (var i=0; i<links.length; i++) {
        var link = links[i];

    	// select outgoing links which are not e-mail links
        if ((link.host.indexOf(thishost) == -1) && (link.href.indexOf('@') == -1)) {
           	link.target = "_blank";
        }

    	// select links with the specified filetype
        if (link.getAttribute("href").indexOf(filetype) != -1) {
           	link.target = "_blank";
        }
    }
}

addLoadEvent(linkControl);