function IsMail(mail) 
{ 
var patrn = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/; 
if (!patrn.test(mail)) 
return false; 
else 
return true; 
}
function check()
{
 if(document.faqform.FirstName.value.length==0)
 { 
   alert("please input your  name!");
   document.faqform.FirstName.focus();
   return false;
 }

 
 if(document.faqform.Company.value.length==0)
 {
 	alert("please input your company!");
	document.faqform.Company.focus();
	return false;
 }
  if(document.faqform.PhoneNumber.value.length==0)
 {
 	alert("please input your phonenumber!");
	document.faqform.PhoneNumber.focus();
	return false;
 }
 if(!IsMail(document.faqform.Email.value))
  {
   alert(" your email is not valid!");
   document.faqform.Email.focus();
   return false;
   }
   
 if(document.faqform.LastName.value.length==0)
 { 
   alert("please input the application!");
   document.faqform.LastName.focus();
   return false;
 }
}