function clickButton(e, buttonid){ 
      var bt = document.getElementById(buttonid); 
      if (typeof bt == 'object'){ 
            if(navigator.appName.indexOf("Netscape")>(-1)){ 
                  if (e.keyCode == 13){ 
                        bt.click(); 
                        return false; 
                  } 
            } 
            if (navigator.appName.indexOf("Microsoft Internet Explorer")>(-1)){ 
                  if (event.keyCode == 13){ 
                        bt.click(); 
                        return false; 
                  } 
            } 
      } 
} 

function ShowEmail(user, domain, anchor) {
	var OutText = '';
	OutText += '<a href="mailto:' + user + '@' + domain + '">';
	if (anchor != '') OutText += anchor;
	else OutText += user + '@' + domain;
	OutText  += '</a>';
	document.write(OutText);
}

function externalLinks() { 

	if (!document.getElementsByTagName) return; 

	var anchors = document.getElementsByTagName("a"); 
	for (var i=0; i<anchors.length; i++) { 
		var anchor = anchors[i]; 
		var relvalue = anchor.getAttribute("rel");

		if (anchor.getAttribute("href")) {
			var external = /external/;
			var relvalue = anchor.getAttribute("rel");
			if (external.test(relvalue)) { anchor.target = "_blank"; }
		} 
	}
} 
window.onload = externalLinks;