/* ===================== AJAX FUNCTIONS =====================*/

  var req = createXMLHttpRequest();

  function createXMLHttpRequest() {
   var ua;
   if(window.XMLHttpRequest) {
      try {
        ua = new XMLHttpRequest();
      } catch(e) {
        ua = false;
      }
     } else if(window.ActiveXObject) {
      try {
        ua = new ActiveXObject("Microsoft.XMLHTTP");
      } catch(e) {
        ua = false;
      }
     }
     return ua;
  }

  function SetInnerHTML(target,func) {
   document.getElementById(target).innerHTML = "<img src='/images/snake.gif' style='border: 0px;'> Adding...<p>&nbsp;</p>";
   setTimeout("",3000);
   var args = "";
   for (var i = 2; i < SetInnerHTML.arguments.length; ++i) {
      args = args + "&arg" + (i-2) + "=" + SetInnerHTML.arguments[i];
   }
   req.open('get', '/includes/ajaxfunctions.php?function=' + func + args);
   req.onreadystatechange = function(){
      if(req.readyState == 4){
         if (req.status == 200) {
               document.getElementById(target).innerHTML = req.responseText;
         } else {
               alert('There was a problem with the URL.');
         }
      }
   }
   req.send(null);
  }

  /* ===================== END AJAX FUNCTIONS =====================*/

   function validateNewsLetter(email){
     if(!emailCheck(email))
       alert("Error: Invalid e-Mail Address!");
     else
       SetInnerHTML('blah', 'AddEmail', document.newsletterform.email.value);
   }


   function subMenuOn(obj){
     name = obj.id
     document.getElementById("SL_"+name).style.display = "none";
     document.getElementById("SL_"+name).style.display = "block";
   }

   function subMenuOff(obj){
     submenus = getElementsByClassName("submenu");
     for(i=0;i<submenus.length;i++)
       document.getElementById(submenus[i].id).style.display = "none";

     var elements = new Array();
     var els = document.getElementById("menu").getElementsByTagName("A");
     for(i=0;i<els.length;i++){
       els[i].style.backgroundImage = "url(/images/mainLinksBG.gif)";
       els[i].style.backgroundRepeat = "repeat-x";
       els[i].style.color = "#007960";
     }
   }

   function on(obj){

     subMenuOff(obj);

     if(obj.className == "")
       obj.style.backgroundImage = "url(/images/mainLinksBGonNoSub.gif)";
     else
       obj.style.backgroundImage = "url(/images/mainLinksBGon.gif)";

     obj.style.backgroundRepeat = "repeat-x";
     obj.style.color = "#c39950";
     
     if(obj.className == "menu"){
       subMenuOn(obj);
     }

   }

   function getElementsByClassName(classname){
     var a = [];
     var re = new RegExp('\\b' + classname + '\\b');
     var els = document.all?document.all:document.getElementsByTagName("*");
     for(var i=0,j=els.length; i<j; i++)
       if(re.test(els[i].className))a.push(els[i]);
     return a;
   }

   function change(obj, name){
     obj.style.backgroundColor = "#abc2bc";
     obj.style.border = "2px solid #cbe2dc";
     img = document.getElementById("sImage");
     img.src = "/images/suites/" + name;
   }

   function reset(obj){
     obj.style.backgroundColor = "#cbe2dc";
     obj.style.border = "2px solid #abc2bc";
   }

function emailCheck (emailStr) {
  var emailPat=/^(.+)@(.+)$/
  var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
  var validChars="\[^\\s" + specialChars + "\]"
  var quotedUser="(\"[^\"]*\")"
  var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
  var atom=validChars + '+'
  var word="(" + atom + "|" + quotedUser + ")"
  var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
  var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")


  var matchArray=emailStr.match(emailPat)
  if (matchArray==null) {
     return false
  }
  var user=matchArray[1]
  var domain=matchArray[2]

  if (user.match(userPat)==null) {
    return false
  }

  var IPArray=domain.match(ipDomainPat)
  if (IPArray!=null) {
     for (var i=1;i<=4;i++) {
       if (IPArray[i]>255) {
           alert("Destination IP address is invalid!")
      return false
       }
    }
    return true
  }

  var domainArray=domain.match(domainPat)
  if (domainArray==null) {
    return false
  }

  var atomPat=new RegExp(atom,"g")
  var domArr=domain.match(atomPat)
  var len=domArr.length
  if (domArr[domArr.length-1].length<2 || 
    domArr[domArr.length-1].length>3) {
     return false
  }

  if (len<2) {
   var errStr="This address is missing a hostname!"
   return false
  }

  return true;
}