function showHideEl(idha,parka){
    idha=document.getElementById(idha);
	if(idha.style.display=='none') {
	  parka.src='/templates/bazis/pics/minus.gif';
	  idha.style.display='block';
	} else {
	  parka.src='/templates/bazis/pics/plus.gif';
	  idha.style.display='none';
	}
  }