function getNextElement(field) {
  var fieldFound = false;
  var form = field.form;
	var x = form.length;
	var count = 2;
	var LastElement = form.elements[x-1];
	var currentTabIndex = field.getAttribute('tabindex'); // Gets the tabindex of current field

	var nextElement  =  LastElement;
		if (nextElement.getAttribute('tabindex') == null){
				var NextElTI=x;
			}else{
				var NextElTI=nextElement.getAttribute('tabindex');
			}
		for(ElNum = 0; ElNum < x; ElNum++)
		{
			if(((field.getAttribute('tabindex')*1) < (form.elements[ElNum].getAttribute('tabindex')*1))&&
				((form.elements[ElNum].getAttribute('tabindex')*1) < (NextElTI*1))&&
				(form.elements[ElNum].getAttribute('tabindex') != null)){
				//replace with better match than the one we had
				nextElement = form.elements[ElNum];
				NextElTI = nextElement.getAttribute('tabindex');
			}	
			
		}
	return nextElement;

}

function tabOnEnter (field, evt) {
  var keyCode = document.layers ? evt.which : document.all ? 
evt.keyCode : evt.keyCode;
  if (keyCode != 13){
  		return true;
  }
  else {
		getNextElement(field).focus();
		if(getNextElement(field).type == 'text'){ getNextElement(field).select(); }
		return false;
  }
}