var showid1 = null;
var showid1b = null;

function showOrNot1(id){

if(showid1 != null && showid1 != id) document.getElementById(showid1).style.display = 'none';
el=document.getElementById(id).style;
if(el.display == 'none'){
    el.display = 'block';
    showid1 = id;
}
 else{
  el.display = 'none';
  showid1 = null;
 }
 
}

function showOrNot1b(id){

if(showid1b != null && showid1b != id) document.getElementById(showid1b).style.display = 'none';
el=document.getElementById(id).style;
if(el.display == 'none'){
    el.display = 'block';
    showid1b = id;
}
 else{
  el.display = 'none';
  showid1b = null;
 }
 
}

function showOrNot4(id){
if(showid1 != null && showid1 != id) document.getElementById(showid1).style.display = 'none';
if(showid1b != null && showid1b != id) document.getElementById(showid1b).style.display = 'none';
el=document.getElementById(id+"a").style;
if(el.display == 'none')el.display = 'block';
 else el.display = 'none';
 
el=document.getElementById(id+"c").style;
if(el.display == 'none')el.display = 'block';
 else el.display = 'none';

eel=document.getElementById(id+"b").style;
if(eel.display == 'none')eel.display = 'block';
else eel.display = 'none';

 el=document.getElementById(id+"d").style;
if(el.display == 'none')el.display = 'block';
 else el.display = 'none';
}

    
function ceckMaxString(act,id,maxSize){
   
   var idform = document.getElementById(id);
   idform.maxLength = maxSize;
    idform.value = idform.value.substring(0,idform.maxLength);
   document.getElementById(act).innerHTML = document.getElementById(id).value.length;
}