function ev(a,b,c){if(a.addEventListener){a.addEventListener(b,c,false)}else if(a.attachEvent){a.attachEvent("on"+b,c)}}
function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}
function get_win_height() {
        var h = 0;
        if (typeof(window.innerHeight) == 'number') {
                h = window.innerHeight;
        } else {
                if (document.documentElement && document.documentElement.clientHeight) {
                        h = document.documentElement.clientHeight;
                } else {
                        if (document.body && document.body.clientHeight) {
                                h = document.body.clientHeight;
                        }
                }
        }
        return h;
}
function get_win_width() {
        var w = 0;
        if (typeof(window.innerWidth) == 'number') {
                w = window.innerWidth;
        } else {
                if (document.documentElement && document.documentElement.clientWidth) {
                        w = document.documentElement.clientWidth;
                } else {
                        if (document.body && document.body.clientWidth) {
                                w = document.body.clientWidth;
                        }
                }
        }
        return w;
}
ev(window, 'load', externalLinks);