Managing Popups through Anchor @rel and jquery

/* For popups:
       <a href="http://google.com"
          title=""
          rel='popup:{"width":"200","height":"200","title":""}'>
          augue ut enim
       </a>
    */
    $("a[rel^='popup']").bind("click", function(e) {
        var url = $(this).attr("href"),
            rel = $(this).attr("rel"),
            windowSettings = JSON.parse(rel.match(/{(.*)}/)[0]) ||
                             $.parseJSON(rel.match(/{(.*)}/)[0]) ||
                             {
                                status: 1,
                                toolbar: 1,
                                location: 1,
                                menubar: 1,
                                directories: 1,
                                resizable: 1,
                                scrollbars: 1,
                                height: 400,
                                width: 400,
                                title: ""
                             },
            windowSettingsStr = [],
            counter = 0;
 
        for (var i in windowSettings) {
            windowSettingsStr[counter] = i+"="+windowSettings[i];
            counter += 1;
        }
 
    	var n = window.open(url, windowSettings.title, windowSettingsStr.join(","));
 
        if (window.focus) {
            n.focus();
        }
 
        e.preventDefault();
    });