function ToonBlock(id){
	if (document.layers) 
		var element=document[id]
	else if (document.all)
		var element=document.all[id].style
	else return;
	element.display="block";
}

function VerbergBlock(id){
	if (document.layers) 
		var element=document[id]
	else if (document.all)
		var element=document.all[id].style
	else return;
	element.display="none";
}

function VerbergAlles(){
	VerbergBlock('content')
	VerbergBlock('content_dagboek')
	VerbergBlock('content_over_favorieten')
	VerbergBlock('content_over_tandjes')
	VerbergBlock('content_over_horoscoop')
	VerbergBlock('content_fotos')
	VerbergBlock('content_eenfoto')
	VerbergBlock('content_gast')
	VerbergBlock('content_leeg')
	VerbergBlock('content_contact');
}