function goNext(url)
{
	window.location.href=url ;
}

function isRadioGroupSelected(ref){
	for( count=0; count < ref.length ; count ++){
		if(ref[count].checked){
			return true;
		}
	}
	return false;
}

function isEmpty(ref){
	var value = ref.value;
	if(value.length == 0){
		return true;
	}
	return false;
}

function isValidEmail(value){
	var regExp =/^[a-z][\w\.]*@[\w\.]+\.[a-z]{2,3}/i
	if(!regExp.test(value)){
		alert("Please enter a valid email");
		return false;
	}
	return true;
}

function goNextField(elmnt,next)
{  
  if (elmnt.value.length==elmnt.maxLength)
  {
	 next.focus();
  }
}