function openPopup(seite, bez, breite, hoehe, option)
{
	breite = parseInt(breite);
	hoehe = parseInt(hoehe);
	var agt=navigator.userAgent.toLowerCase();
	var is_mac  = (agt.indexOf("mac")!=-1);
	if (is_mac)
		option+= ",width="+breite+",height="+(hoehe+30);
	else
		option+= ",width="+breite+",height="+hoehe;
	window.open(seite,bez,option);
}

function switchTender() {
	var element_tender = document.getElementById('full_tender');
	if(element_tender) {
		var display = (element_tender.style.display == 'none') ? 'block' : 'none';
		element_tender.style.display = display;
		
		var element_teaser = document.getElementById('teaser_tender');
		if(element_teaser) {
			display = (display=='none') ? 'block' : 'none';
			element_teaser.style.display = display;

		}
	}
	
	

	
}