function iapixel(cId, cvType, cvValue, opts) {
	if (cId && cvType && cvValue) {
		var merge = function(d,s){ for(var p in s){ if(d.hasOwnProperty(p)){ d[p]=s[p]; } } return d; };
		var options = merge({
			currency: 'EUR',  // conversion currency code(ACCORDING ISO 4271 i.e. 'EUR' or 'USD') [optional
			orderId: '', // orderId [optional]
			age: '', // user age [optional]
			dob: '', // user birth date (format: YYYYMMDD)
			gender: '', // user gender (possible values: m or w)
			zip: '', // user zip code (5 digit zip code, i.e. 12345)
			city: '', // user city (i.e. Berlin)
			region: '', // user region (i.e. Bayern)
			country: '', // user country (possible values: 2 char coutry code, i.e. de) [optional]
			custom1: '', // custom value 1 [optional]
			custom2: '', // custom value 2 [optional]
			custom3: '', // custom value 3 [optional]
			custom4: ''  // custom value 4 [optional]
		}, opts || {});
		var varMap = {
			currency: 'vv', orderId: 'po', age: 'sh', dob: 'nf', gender: 'hr', zip: 'uo', city: 'vo', region: 'tr',
			country: 'vp', custom1: 'c1', custom2: 'c2', custom3: 'c3', custom4: 'c4'
		};
		var proto = (document.location.toString().indexOf('https://') != -1) ? 'https' : 'http';
		var uri = 't23.intelliad.de/tc.php';
		var url = '?cl='+encodeURIComponent(cId)+'&v='+encodeURIComponent(cvValue)+'&vz='+encodeURIComponent(cvType)+'&';
		for(var v in varMap){ if(varMap.hasOwnProperty(v)){ url+= varMap[v]+'='+encodeURIComponent(options[v])+'&'; }}
		var imgsrc = proto+'://'+uri+url+'&rand='+Math.floor(Math.random()*11111139435231);
		var img = new Image(); img.setAttribute('width', 1); img.setAttribute('height', 1); img.src = imgsrc;
		document.getElementsByTagName('body')[0].appendChild(img);
	}
	return true;
}