function validusername(user)
{
if(user.length < 6)
{
alert("Name must be more than 6 characters ");
return false;
}else
{
 var re = /^[a-z][a-zA-Z]+$/;
 var res = re.test (user);
  if(res==false)
   {
   alert("Enter Only Valid Name");
   return false;
   }
  else 
  return true;
  }
}

function validphonenumber(phone)
{
	 var phoneRE = /^\(\d{3}\)\d{3}-\d{4}$/;

 if (phone.match(phoneRE)) 
   { 
     return true; 
   }
   else 
   { 
   alert( "The phone number entered is invalid! Enter (xxx)xxx-xxxx in this Format" ); 
   return false; 
  } 
}

function validemail(email)
{
           var re = /^[^0-9][a-zA-Z0-9\_.]+w*@[a-z0-9_]+\.+[a-z0-9_.]{2,4}|^[a-zA-Z0-9]+w*@[a-z]+\.+[a-z]{2,4}\.[a-z]{2}$/i;
			if(!re.test(email))
			{
			alert("Please enter valid Email Address");
			return false;
			}
			else
			{
			return true;
			}
}