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";
 }
}
window.onload = externalLinks;

function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=1,menubar=0,resizable=1,width=520,height=600,left = 390,top = 50');");
}

 function feedback() {
   var strAlert = "Please enter a valid email address"
   var checkmail = "pass"
   
   	if (0 == document.feed.realname.value.length) {
		alert("Please enter your name");
		document.feed.realname.focus();
		return false;
		}
	if (document.feed.person.value == "non") {
     alert("Please select who you wish to contact");
		document.feed.person.focus();
		return false;
		}     
	if (0 == document.feed.comments.value.length) {
		alert("Please enter your comments");
		document.feed.comments.focus();
		return false;
		}
    if (document.feed.email.value == "") {
     checkmail="fail"; 
		}
	else {
    emailarray = document.feed.email.value.split("@");
    if (emailarray.length != 2) {
    	checkmail="fail";   
		}
	else { 
    if (emailarray[0].search("^[A-Za-z0-9]") == -1) checkmail="fail";
       if (emailarray[0].search("[A-Za-z0-9]$") == -1) checkmail="fail";
       if (emailarray[0].search("[\.\_\-]+") > 0) { 
         if (emailarray[0].search("[A-Za-z0-9][\.\_\-][A-Za-z0-9]+$") == -1) checkmail="fail"; 
       }
       if (emailarray[1].search("^[A-Za-z0-9][A-Za-z0-9\-]+[\.]+[A-Za-z0-9]{2,}") == -1) checkmail="fail";
       if (document.feed.email.value.indexOf("..") >= 0) checkmail="fail"; 
     }
   }
   if (checkmail == "fail") {
     alert (strAlert);
	 document.feed.email.focus();
     return false;
   } else {
     document.feed.submit();
   }
 }