function switchCheck(strID, objImg)
{
	var oEl = document.getElementById(strID);
				
	if (oEl.value == "true")
	{
		oEl.value = "false";
		objImg.src = '/images/checkbox-off.gif';
	}
	else
	{
		oEl.value = "true";
		objImg.src = '/images/checkbox-on.gif';
	}
}


function verifyEMail()
{

  //for email validation
  var emailaddress=document.registerform.DoctorEMail.value;
  //alert(emailaddress);
  var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
  //alert(filter.test(emailaddress))
  if (filter.test(emailaddress))
  {
	//document.registerform.submit();
    return true;

  }
  else
  {
     alert("Please input a valid email address!")
	 document.registerform.DoctorEMail.focus();
     return false;
	 
  }
}