function validate(form)
{
switch (form.name)
 {
  case "feedback" :
 		if (form.Name.value=="")
		      { alert ("Please enter your name ");
              form.Name.focus(); 
			  return false; }		
		else if (form.Email.value.match((/\b(^(\S+@).+((\.com)|(\.net)|(\.edu)|(\.mil)|(\.gov)|(\.org)|(\..{2,2}))$)\b/gi))==null)
 	          {alert("Your email address seems incorrect.  Please try again (check the '@' and '.'s in the email address)");
               form.Email.focus();
			   form.Email.select();
			  return false; }
	   else  if (form.Phone.value== "")
		      { alert ("Please enter your phone no");
			  form.Phone.focus();
			  return false; }  
	   else  if (form.Address.value== "")
		      { alert ("Please enter your Address");
			  form.Address.focus();
			  return false; } 
		else  if (form.PrintingDetail.value== "")
		      { alert ("Please enter Printing Detail");
			  form.PrintingDetail.focus();
			  return false; } 
		else 
			 return true;
 default :
       return true;

  }
}