/******************* checking for empty string  *****************/
function isEmpty(s)
{   return ((s == null) || (s.length == 0))
}

/******************* (end) checking for empty string *****************/

/******************* checking for white space  *****************/

var whitespace = " \t\n\r";
function isWhitespace (s)
{ var i;
   if (isEmpty(s)) return true;
   for (i = 0; i < s.length; i++)
    {
    var c = s.charAt(i);
   if (whitespace.indexOf(c) == -1) return false;
   }
  return true;
}
/******************* (end) checking for white space  *****************/


/****************** checking for send to a friend ****************/
function distributor_validation()
{
	contact_name =document.inquiry_form.contact.value
	if(isWhitespace(contact_name) ||  isEmpty(contact_name))
	{
		alert('Contact name is mandatory');
		document.inquiry_form.contact.focus();
		return false;	
	}

	company_name =document.inquiry_form.company.value
	if(isWhitespace(company_name) ||  isEmpty(company_name))
	{
		alert('Company name is mandatory');
		document.inquiry_form.company.focus();
		return false;	
	}


	state_name =document.inquiry_form.state.value
	if(isWhitespace(state_name) ||  isEmpty(state_name))
	{
		alert('State name is mandatory');
		document.inquiry_form.state.focus();
		return false;	
	}


	phone_number =document.inquiry_form.phone.value
	if(isWhitespace(phone_number) ||  isEmpty(phone_number))
	{
		alert('Phone number is mandatory');
		document.inquiry_form.phone.focus();
		return false;	
	}

	
	distributor_mail=document.inquiry_form.email.value;
	if(isWhitespace(distributor_mail) || isEmpty(distributor_mail))
	{
		alert('Email address is mandatory');
		document.inquiry_form.email.focus();
		return false;	
	}	
	
	
	if ((distributor_mail.indexOf('@', 0) == -1) || (distributor_mail.indexOf('.', 0) == -1) || distributor_mail.indexOf(',')> -1)
	{
		alert("Not a  valid email address!");
		document.inquiry_form.email.focus();
		return false;
	}
	
	
}
/****************** checking for send to a friend ****************/