function _Check1(){
    if ((document.forms1.name.value != '') && (document.forms1.question.value != '') && (document.forms1.email.value != '') && (document.forms1.code.value != '')) {

      if(document.forms1.email.value.indexOf ('@',0) == -1){
         alert("The e-mail is incorrect");
         return false ;
      }
      if(document.forms1.email.value.indexOf ('.',0) == -1){
         alert("The e-mail is incorrect");
         return false;
      }
      return true;
    }
    else {
       alert('The required fields are not filled in!');
       return false;
    }

 }