function onlyNumbers(mibe){
x=mibe.value;
ki='';
    for(i=0;i<x.length;i++){
       if (x.substr(i,1)>='0' && x.substr(i,1)<='9'){
          ki+=x.substr(i,1);
         }
        }
mibe.value=ki;

}

function form_ellenor(inputok,form_neve,szoveg,keves_elem_2){
    x=inputok.length;
    for(i=0; i < x ; i++ ){
        aktualis_tag = inputok[i];
            
        if(document.forms[form_neve].elements[aktualis_tag].value == ''){
        document.forms[form_neve].elements[aktualis_tag].style.background= 'RED';
        alert(szoveg);
        document.forms[form_neve].elements[aktualis_tag].focus();
        return false;
      }else{
              
        document.forms[form_neve].elements[aktualis_tag].style.background= 'white';
   
            
            
                if(inputok[i] == 'meg_email'){
                        str=document.forms[form_neve].elements[inputok[i]].value;
                            filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
                           if (!filter.test(str)){
                        document.forms[form_neve].elements[inputok[i]].focus();
                        document.forms[form_neve].elements[inputok[i]].style.background= 'RED';
                           alert('Not good his email address!');
                          return false;
                            }
                }
       }
    }
}