var menuids = new Array("verticalmenu"); //Enter id(s) of UL menus, separated by commas.
var submenuoffset = -80; //Offset of submenus from main menu. Default is -2 pixels.

function createcssmenu() {
  for (var i=0; i<menuids.length; i++) {
    var ultags=document.getElementById(menuids[i]).getElementsByTagName("ul");
      for (var t=0; t<ultags.length; t++) {
        var spanref=document.createElement("span");
        spanref.className="arrowdiv";
        spanref.innerHTML="&nbsp;&nbsp;";
        ultags[t].parentNode.getElementsByTagName("a")[0].appendChild(spanref);
        ultags[t].parentNode.onmouseover=function() {
          this.getElementsByTagName("ul")[0].style.left=this.parentNode.offsetWidth+submenuoffset+"px";
          this.getElementsByTagName("ul")[0].style.display="block";
        }
      ultags[t].parentNode.onmouseout=function() {
        this.getElementsByTagName("ul")[0].style.display="none";
      }
    }
  }
}

if (window.addEventListener) {
  window.addEventListener("load", createcssmenu, false); }
else if (window.attachEvent) {
  window.attachEvent("onload", createcssmenu); }

var isTrue = false;
var errorValue = "";
checkRegistration = function() {
  isTrue = true;
  if (document.registerForm.companyName.value == "")
  {
    errorValue = "Company Name";
    document.registerForm.companyName.focus();
    isTrue = false;
  }
  else if (document.registerForm.fullname.value == "")
  {
    errorValue = "Fullname";
    document.registerForm.fullname.focus();
    isTrue = false;
  }
  else if (document.registerForm.phone.value == "")
  {
    errorValue = "Phone Number";
    document.registerForm.phone.focus();
    isTrue = false;
  }
  else if (document.registerForm.email.value == "")
  {
    errorValue = "Email Address";
    document.registerForm.email.focus();
    isTrue = false;
  }
  else if (document.registerForm.gasAnnSpend.value == "") // ANNUAL SPEND
  {
    if (document.registerForm.HHAnnSpend.value == "")
    {
      if (document.registerForm.NHHAnnSpend.value == "")
      {
        errorValue = "Annual Spend";
        document.registerForm.gasAnnSpend.focus();
        isTrue = false;
      }
    }
  }
  else if (document.registerForm.gasSites.value == "") // NUMBER OF SITES
  {
    if (document.registerForm.hhSites.value == "")
    {
      if (document.registerForm.nhhSites.value == "")
      {
        errorValue = "Number of Sites";
        document.registerForm.gasAnnSpend.focus();
        isTrue = false;
      }
    }
  }
  else if (document.registerForm.gasCurrentSupplier.value == "Select Supplier") // CURRENT SUPPLIER
  {
    if (document.registerForm.hhCurrentSupplier.value == "Select Supplier")
    {
      if (document.registerForm.nhhCurrentSupplier.value == "Select Supplier")
      {
        errorValue = "Current Supplier";
        document.registerForm.gasCurrentSupplier.focus();
        isTrue = false;
      }
    }
  }
  if (isTrue == false)
  {
    alert("Please provide your " + errorValue + ".");
  }
  return isTrue;
}