// Loads a page which is the "value" of a select option.
// 16/08/2005 - EL added firefox browser detection.
function displayPage(field) {
   var page = field.options[field.selectedIndex].value;

   if (page != "") {
	   location = page;
   }
}

// Check a text field value is a number.
function isPlanNumber (field) {
   var num = field.value;
   var str = num.toString();

   if (isNaN(num) && str.length != 0) {
      alert ("Invalid entry. Please enter a number.");
      field.focus();
      return false;
	}

   return true;
}

// Check field is an email address
function isEmail (field) {
   var emailAddr = field.value;

   // Check for an @.
	var patten = /\@/;
	if (!(patten.test(emailAddr))) {
      return false;
  	}

   return true;
}

function getServer() {
	var strURL = document.URL;
   	var urlArray = strURL.split("/");

   	return urlArray[2];
}

function openEligibilityWindow(url) {
  var server = getServer();
  url = "https://" + server + url;

  var newWin = window.open(url,'eNational','width=750,height=450,scrollbars=yes,resizable=yes,status=yes');
}