/**
 * funkce pro ovladani formulare pro pridavani
 * @return
 */
function showAddress(){
   if($('showAddressBlock').style.display == 'none'){
   	  $('showAddressBlock').style.display='block';
   	  $('newCustCheckbox').checked == true;
   	  $('zakaznikSelect').disabled=true;
   }
   else{
       	$('showAddressBlock').style.display='none';
       	$('zakaznikSelect').disabled=false;
   }
}