function changeclass(element,classname,classname_new,ch_element){
  	if(ch_element != '') {
	  if($(ch_element).style.display == 'none')
	    $(element).className = classname;
	  else
	    $(element).className = classname_new;
	} else {
	  $(element).className = classname;
	}
}
function show_element(element,ch_element){
	if($(element).style.display == 'none') {
	  $(element).show();
	  $(ch_element).className = 'lm_a';
	} else {
	  $(element).hide();
	  $(ch_element).className = '';
	}
}
function show_subfilter(element){
    if($(element).checked)
      $(sub_filter).show();
    else
      $(sub_filter).hide();
}
function show_ann(element){
	$("hid_" + element).show();
	$("hid__" + element).show();
	$(element).hide();
}
function hidd_ann(element){
	$(element).show();
	$("hid_" + element).hide();
	$("hid__" + element).hide();
}
function show_who(element){
	$("hid_" + element).show();
	$("hid__" + element).show();
	$(element).hide();
	$("_" + element).hide();
}
function hidd_who(element){
	$(element).show();
	$("_" + element).show();
	$("hid_" + element).hide();
	$("hid__" + element).hide();
}
function file_or_photo(val){
	if(val == 0){
	  $("once_file").hide();
	  $("all_files").hide();
	  $("des_photo").hide();
	  $("name_photo").hide();
	  $("but_photo").hide();
	}else{
      if(val == 14){
	    $("once_file").hide();
	    $("all_files").show();
	    $("des_photo").show();
	    $("name_photo").show();
	    $("but_photo").show();
      }else{
	    $("once_file").show();
	    $("all_files").hide();
	    $("des_photo").hide();
	    $("name_photo").hide();
	    $("but_photo").hide();
      }
	}
}