function validate_email()  {

  var arg = validate_email.arguments;

  var  formref  =  arg[0];

  var  email_name  			=  formref.email_name.value;
  var  email_from  			=  formref.email_from.value;
  var  email_subject  	=  formref.email_subject.value;
  var  email_body				=  formref.email_body.value;

	var	proceed	=	true;

	var message	=	"";
  
  if  (is_empty(email_name))  { 
  	proceed	=	false
    message	+=	"Please provide name.\n\n";
  }

  if  (is_empty(email_from))  {  
  	proceed	=	false
    message	+=	"Please provide your E-Mail address.\n\n";
  }
  
  if  (is_empty(email_subject))  {
  	proceed	=	false
    message	+=	"Please provide subject line.\n\n";
  }
  
  if  (is_empty(email_body))  {
  	proceed	=	false
    message	+=	"Please provide message.\n\n";
  }  
  
  if	(!proceed)	{	alert(message);	}

	return proceed;
  
}



function is_empty() {

  var arg = is_empty.arguments;
  
  if  (arg[0].length > 0)  {  return false;  }

  return true;
}