Force Guest To Submit Email Before Posting

[deadlyassassin]

Ok, this was a code request yet again but i thought i will share it for all to use. The header is self explanatory. No need to edit.

Global Footers or Board Footers

<script type="text/javascript">
<!--
/* Force Guest To Submit Email Before Posting
By {XF}Äs$@§sîñ™, www.xf-clan.net/
Keep Header Intact
Code from www.utopiangfx.proboards56.com/index.cgi */

function validate(emailAd) {
   var legitRE = /^\w{1,}@\w{1,}\.\w{2,3}(\.\w{2})?$/i;
   return legitRE.test(emailAd);
}

var table = document.getElementsByTagName("table");
if(document.postForm && pb_username.match(/Guest/i)) {
   for(i=0; i<table.length; i++) {
      if(table.item(i).width == "100%" && table.item(i).cellPadding == "4" && table.item(i).innerHTML.match(/Message:/i)) {
         var fCell = table.item(i).insertRow(2).insertCell(0);
         fCell.className = "windowbg";
         var subHeader = document.createElement('font');
         subHeader.style.fontSize = '12px';
         subHeader.appendChild(document.createTextNode('Email Validation: '));
         fCell.appendChild(subHeader);
         var sCell = fCell.parentNode.insertCell(1);
         sCell.className = "windowbg";
         var emailField = document.createElement('input');
         emailField.setAttribute("id", "emailInput");
         emailField.setAttribute("size", "40");
         sCell.appendChild(emailField);

         document.postForm.onsubmit = function() {
            var valid = validate(document.getElementById('emailInput').value);
            if (!valid) {
               alert('Invalid E-Mail Address, please enter a valid one. Thank You.');
               return false;
            }
         }
      }
   }
}
//-->
</script>