//COMMON JAVASCRIPT FOR WEB VERSION

// Auto Tab for phone number
var isNN = (navigator.appName.indexOf("Netscape")!=-1);
function autoTab(input, len, e) {
   var keyCode = (isNN) ? e.which : e.keyCode; 
   var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
   function containsElement(arr, ele) {
      var found = false, index = 0;
      while (!found && index < arr.length) {
         if(arr[index] == ele) {
            found = true;
         }
         else {
            index++;
         }
      }
      return found;
   }
   function getIndex(input) {
      var index = -1, i = 0;
      while ((i < input.form.length) && (index == -1)) {
         if (input.form[i] == input) {
            index = i;
         }
         else {
            i++;
         }
      }
      return index;
   }
   if(input.value.length >= len && !containsElement(filter,keyCode)) {
      input.value = input.value.slice(0, len);
      input.form[(getIndex(input)+1) % input.form.length].focus();
   }
   return true;
}

function toggleVisibility(targetId, noneAlertMsg) {
   if (document.getElementById) {
      target = document.getElementById(targetId);
      if (target.style.display == "none") {
         target.style.display = "";
      }
      else {
         if (('' !== noneAlertMsg) && (target.value !== '')) {
            alert(noneAlertMsg);
            target.value = '';
         }
         target.style.display = "none";
      }
   }
}

function setVisibility(targetId, visibility, noneAlertMsg) {
   if (document.getElementById) {
      target = document.getElementById(targetId);
      if (target && ('' !== noneAlertMsg) && (target.value !== '')) {
         alert(noneAlertMsg);
      }
      target.style.display = visibility;
   }
}

function enableField() {
   if (document.registration.submit.disabled === false) {
      document.registration.submit.disabled = true;
   }
   else {
      document.registration.submit.disabled = false;
   }
}

function NewWindow(url) {
   fin=window.open(url,"",
   "width=900,height=600,scrollbars=yes,resizable=yes");
}