function showTickets(){
	var anch=document.getElementsByTagName("a");
	for(i=0;i<anch.length;i++){
		if(anch[i].getAttribute('class')=='button'){
			//alert("aasd");
			showOverlay();
		}
	}
}

function showOverlay(){
	var objOverlay = document.getElementById('overlay');
	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();
	
	objOverlay.style.height = (arrayPageSize[1] + 'px');
	objOverlay.style.display = 'block';
	
	var divTickets = document.createElement("div");
	divTickets.setAttribute('id','ticketDiv');
	divTickets.innerHTML = '<iframe frameborder="0" marginheight="0" marginwidth="0" width="450" height="600" src="https://ssl.kundenserver.de/s164599968.einsundeinsshop.de/sess/utn;jsessionid=154aaa4ddab8db3/bs_shopdata/0058_AHOI-PARTY+auf+der+RheinEnergie/product_details.shopscript?article=0010_AHOI-PARTY%2Bam%2B13%3D252E02%3D252E2010%2B%3D28AHK100213%3D29"></iframe><br /> &nbsp;<a style="color: #000000; font-weight: bolder;" href="#" onclick="closeTicketDiv(); return false;"> Schlie&szlig;en</a>';
	divTickets.style.cssText='position: absolute; width:450px; height: 650px; z-index: 1001; background-color: white;'
	divTickets.style.top = (arrayPageScroll[1] + ((arrayPageSize[3] - 35 - 600) / 2) + 'px');
	divTickets.style.left = (((arrayPageSize[0] - 20 - 420) / 2) + 'px');
	divTickets.style.display = 'block';
	document.body.appendChild(divTickets);
}

function closeTicketDiv(){
	var objOverlay = document.getElementById('overlay');
	td=document.getElementById('ticketDiv');
	td.style.display = 'none';
	objOverlay.style.display = 'none';
}