function make_hh_tmstmp() {
	var datum = new Date();
	var jahr = datum.getFullYear().toString().substr(2,2);
	var tag = datum.getDay();
	var monat = datum.getMonth() + 1;
	monat = monat.toString();
	if (monat.length == 1)
		monat = '0' + monat;
	
	var tag = datum.getDate().toString();
	if (tag.length == 1)
		tag = '0' + tag;
	
	var hh_tmstmp = jahr + monat + tag;
	return hh_tmstmp;
}

function happyhour(zanoxlink, width, height) {
	//start and final time - full hours
	var hhday1 = 1; //montag
	var hhday2 = 4; //donnerstag
	var begin = 15;
	var end = 24;

	var default_image = 'http://affiliate.discount24.de/affiliate/creatives/aktion/' + width + 'x' + height + '.gif';
	var special_image = 'http://affiliate.discount24.de/affiliate/creatives/happyhour/' + width + 'x' + height + '.gif';

	//redo of timestamp;
	var datum = new Date();
	var jahr = datum.getFullYear().toString().substr(2,2);
	var tag = datum.getDay();
	var monat = datum.getMonth() + 1;
	monat = monat.toString();
	if (monat.length == 1)
		monat = '0' + monat;
	
	var tag = datum.getDate().toString();
	if (tag.length == 1)
		tag = '0' + tag;
	
	var happy = jahr + monat + tag;
	
	
	//get the hour of the current UTC time to avoid timezone conflicts
	var now = new Date().getUTCHours();
	var act = new Date().getHours();
	var dif = act - now;
	var now = now + dif;
	
	//get weekday (0 = Sunday)
	var day = new Date().getDay();

	//default image link

	var image_url = default_image;
	
	//check time and change image URL
	if (day == hhday1 && now >= begin && now <= end) {
		//override happy hour link happy hour 
		target_url = zanoxlink + 'http://www.discount24.de/Landingpage/HappyHour/v-90120368-.html?refer=00104&cm_mmc=Zanox-_-Partner-_-Happy_Hour-_-AdID_94534';
		image_url = special_image;
		
		link  = '<a href="' + target_url + '">';
		link += '<img border="0" src="' + image_url +'" alt="Werbemittel" />';
		link += '</a>';
	
		document.write(link);
	
	} else if (day == hhday2 && now >= begin && now <= end) {
		//override happy hour link happy hour 
		target_url = zanoxlink + 'http://www.discount24.de/Landingpage/HappyHour/v-90120368-.html?refer=00104&cm_mmc=Zanox-_-Partner-_-Happy_Hour-_-AdID_94534';
		image_url = special_image;
		
		link  = '<a href="' + target_url + '">';
		link += '<img border="0" src="' + image_url +'" alt="Werbemittel" />';
		link += '</a>';
	
		document.write(link);
	} else {
		target_url = zanoxlink + 'http://www.discount24.de/home.html?refer=00104&cm_mmc=Zanox-_-Partner-_-Happy_Hour-_-AdID_94534';
		link  = '<a href="' + target_url + '">';
		link += '<img border="0" src="' + image_url +'" alt="Werbemittel" />';
		link += '</a>';	
	
		document.write(link);
	}
}