/*  Javascript Document 
	author:	Eddy Tavaszi [Equinoxe GmbH]
	date:	2009-11-13
*/
function collapse() {		
	var element1 = document.getElementById('top');
	var element2 = document.getElementById('top_pfeil');
	var element3 = document.getElementById('top_titel');
	var element4 = document.getElementById('reiter_b');
	var name_ = element1.className;
	var current_ = 'expand';
	
	if(name_ == 'expand') {
		element1.className = 'collapse';
		element2.className = 'expand';
		element3.style.display = 'none';
		element4.style.display = 'none';
		current_ = 'collapse';
	}
	else {
		element1.className = 'expand';
		element2.className = 'collapse';
		element3.style.display = '';
		element4.style.display = 'block';
		current_ = 'expand';
	}
}