function showBlock(id, idHref){
 	
 	var elHref = document.getElementById(idHref);
 	var element = document.getElementById('block_' + id);
 	var element2 = document.getElementById('block_link_' + id);
 	
 	//
 	if ( element.style.display == 'block') {
 		element.style.display = 'none';
 		element2.style.display = 'none';
 		elHref.className = 'sw-hd'; // pluss
 	} else {
 		element.style.display = 'block';
 		element2.style.display = 'block';
 		elHref.className = 'sw-hd-act'; // minus
 	}
 	
 	return false;
 }