function openPreview(id){
  /*document.getElementById('preview_'+id).style.display='block';*/
  Effect.Grow('preview_'+id);
  $('showClosePreview_'+id).style.display='block';
  $('showOpenPreview_'+id).style.display='none';
}
function closePreview(id){
  $('preview_'+id).style.display='none';
  $('showClosePreview_'+id).style.display='none';
  $('showOpenPreview_'+id).style.display='block';
}
function openPreviewFetch(id){
  /*document.getElementById('previewFetch_'+id).style.display='block';*/
  Effect.Grow('previewFetch_'+id);
  $('showClosePreviewFetch_'+id).style.display='block';
  $('showOpenPreviewFetch_'+id).style.display='none';
}
function closePreviewFetch(id){
  $('previewFetch_'+id).style.display='none';
  $('showClosePreviewFetch_'+id).style.display='none';
  $('showOpenPreviewFetch_'+id).style.display='block';
}
function changeColor(id){
	active = $('active_'+id);
	active_text = $('active_text_'+id);
	
	if(active.checked==true){
		active_text.innerHTML='active';
		active_text.style.color='green';
		Effect.toggle('fold_'+id,'blind');
	}
	else{
		active_text.innerHTML='not active';
		active_text.style.color='red';
		Effect.toggle('fold_'+id,'blind');
	}
}

function strtolower( str ) { 
    return (str+'').toLowerCase();
}

function toggleId(id,effect,durationSec)
{
	Effect.toggle(id,effect,{ duration: durationSec });
	
	return false;
}

function toggleFortbildung(idshow,idhide,id,effect,durationSec)
{
	Effect.toggle(id,effect,{ duration: durationSec });
	
	if($(idshow).style.display=='block'){
		$(idshow).style.display='none';
		$(idhide).style.display='block';
	}
	else{
		$(idshow).style.display='block';
		$(idhide).style.display='none';
	}
	
	return false;
}

function changeSearchWord()
{
	if ( $('searchField').value == 'Suchbegriff' ){
		$('searchField').value = '';
	}
}

function clearInput(){
	if($('datum').value == 'TT-MM-JJJJ' ){
		$('datum').value = '';
	}
}

function checkSearchInput()
{
	if( $('searchField').value != '' && $('searchField').value != 'Suchbegriff' ){
		return true;
	}
	
	return false;
}

function previewPost()
{
	if(''!=$('black_title').value){
		$('s_header').innerHTML=$('black_title').value;
	}
	
	if(''!=$('black_text').value){
		$('s_text').innerHTML='<p>'+$('black_text').value+'</p>';
	}
	
	alert($('black_text').value);
	
	$('preview').style.display='block';
}
	function callCal(id){
		NewCssCal(id,'ddMMyyyy');
		$('datum').disabled=false;
		
	}