addOnloadEvent("behaviour_initExternalLinks()");
var HOST_NAME = "hpm.org";
/**
 * Causes all external links to open in a blank page.
 *
**/
function behaviour_initExternalLinks() {
    try {
        var externalLinks = document.getElementsByTagName("a");
        for (i = 0; i < externalLinks.length; ++i) {
            var href = externalLinks[i].href;
            if (href && href.indexOf("http://") == 0 && href.indexOf(HOST_NAME) == -1 && !externalLinks[i].target) {
                externalLinks[i].target = "_blank";
            }
        }
    } catch (e) {
        // ignore.
    }
};