var y;
var mindenseg;
var fotoval=0;
function mutat(x,t){
    y= x.getElementsByTagName(t);
   for (i=0;i<=y.length-1;i++){ 
        y[i].style.display='block';          
   }  
} 
function tuntet(x,t){
    y= x.getElementsByTagName(t);
   for (i=0;i<=y.length-1;i++){
       y[i].style.display='none';
   } 
  
} 
function getNewSubmitForm(){
 var submitForm = document.createElement("FORM");
 document.body.appendChild(submitForm);
 submitForm.method = "POST";
 return submitForm;
}
function createNewFormElement(inputForm, elementName, elementValue){
 var newElement = document.createElement("input");
 newElement.type="hidden";
 newElement.name="nyelv";
 inputForm.appendChild(newElement);
 newElement.value = elementValue;
 return newElement;
}


function nyelvvaltas(a){
 var submitForm = getNewSubmitForm();
 createNewFormElement(submitForm, "nyelv", a);
 submitForm.action= window.location.href;
 submitForm.submit();
}