/**
 *  Function externalLinks() used to provide a standards
 *  compliant way of producing a pop-up link to another
 *  page.
 */

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 GoBack() used to provide a link
 *  to go back one page.
 */

function GoBack() {
	history.go(-1);
}