var teaserScaleSeconds = 0.75;
var currentTeaser = 0;
 
function showTeasereffektDetails(uid) {

	if(currentTeaser > 0) {
		// hide old description
		Effect.SlideUp('teasereffekt-hidden-'+currentTeaser, { duration: teaserScaleSeconds });
		
		// reset link class
		document.getElementById('teasereffekt-link-'+currentTeaser).className = 'teasereffekt-link-inactive';
	}
	
	if(currentTeaser != uid) {
		// show current description
		
		Effect.SlideDown('teasereffekt-hidden-'+uid, { duration: teaserScaleSeconds });
	
		// change link class
		document.getElementById('teasereffekt-link-'+uid).className = 'teasereffekt-link-active';
	
		// remember current teaser id
		currentTeaser = uid;
	}
	else {
		// forget current teaser id
		currentTeaser = 0;
	}
}