//
// Verschachteltes Mootools-Accordion
// Nested Mootools Accordion
// 
// von / by Bogdan Günther
// http://www.medianotions.de
//

window.addEvent('domready', function() {
	
	// Anpassung IE6
	if(window.ie6) var heightValue='100%';
	else var heightValue='';
	
	// Selektoren der Container für Schalter und Inhalt
	var togglerName='dt.accordion_toggler_';
	var contentName='dd.accordion_content_';
	
	
	// Selektoren setzen
	var counter=1;	
	var toggler=$$(togglerName+counter);
	var content=$$(contentName+counter);
	
	while(toggler.length>1)
	{
		// Accordion anwenden
		
		if(toggler.hasClass('selected')) {
			var i;
			var sub_index = -1;
			for(i = 0; i < content.length; i++) {
				if(content[i].hasClass('selected')) {
					sub_index = i;
					break;
				}
			}
			new Accordion(toggler, content, {
				opacity: false,
				display: sub_index,
				alwaysHide: true,
				onComplete: function() { 
					var element=$(this.elements[this.previous]);
					if(element && element.offsetHeight>0) element.setStyle('height', heightValue);
				},
				onActive: function(toggler, content) {
					toggler.addClass('open');
				},
				onBackground: function(toggler, content) {
					toggler.removeClass('open');
				}
			});			
		}
		else {
			new Accordion(toggler, content, {
				opacity: false,
				display: -1,
				alwaysHide: true,
				onComplete: function() { 
					var element=$(this.elements[this.previous]);
					if(element && element.offsetHeight>0) element.setStyle('height', heightValue);			
				},
				onActive: function(toggler, content) {
					toggler.addClass('open');
				},
				onBackground: function(toggler, content) {
					toggler.removeClass('open');
				}
			});
		}
		
		// Selektoren für nächstes Level setzen
		counter++;
		toggler=$$(togglerName+counter);
		content=$$(contentName+counter);
	}
});