<?php

/*
Plugin Name: Zap_NewWindow
Plugin URI: http://www.zappelfillip.de/index.php/2005-12-05/zap_newwindow/
Description: External links in posts (links that refer to other domains) will be automatically opened in a new browser window. No target="_blank" needed. The code is valide to XHTML Strict.
Author: Tom Koehler
Version: 1.2
Author URI: http://www.zappelfillip.de
*/

add_action('wp_head', 'newwindows_wp_header');

function newwindows_wp_header()
{
	$blogdomain = parse_url(get_settings('home'));
	
	echo "<script type=\"text/javascript\">
	<!--
	function makeNewWindows() {
		if (!document.links) {
			document.links = document.getElementsByTagName('a');
		}

		for (var t=0; t<document.links.length; t++) {
			var zaplinks = document.links[t];
			if (zaplinks.href.search(/http/) != -1) {
		  	if (zaplinks.href.search('/".$blogdomain['host']."/') == -1) {
		    	zaplinks.setAttribute('target', '_blank');
		    }
		  }
		}
	}
	
	function addLoadEvent2(func)
	{	
		var oldonload = window.onload;
		if (typeof window.onload != 'function'){
			window.onload = func;
		} else {
			window.onload = function(){
				oldonload();
				func();
			}
		}
	}

	addLoadEvent2(makeNewWindows);	// makeNewWindows bei onLoad hinzufuegen

	//-->
	</script>";

//		$content = preg_replace("/\starget=\"_blank\"/Ui", "", $content);
//		$content = preg_replace("/<a\s(.*)>/Ui", "<a \\1 target=\"_blank\">", $content);

}



?>