function EmarkConversion() {
	match = /emarkconv=([0-9fF]+)/.exec(document.location);
	if (match) {
		this.createCookie("emarkconv", match[1], 30);
	}
}

EmarkConversion.prototype = { 
	createCookie : function (name,value,days) {
		if (days) {
			var date = new Date();
			date.setTime(date.getTime()+(days*24*60*60*1000));
			var expires = "; expires="+date.toGMTString();
		}
		else var expires = "";
		document.cookie = name+"="+value+expires+"; path=/";
	},
	readCookie : function(name) {
		var nameEQ = name + "=";
		var ca = document.cookie.split(';');
		for(var i=0;i < ca.length;i++) {
			var c = ca[i];
			while (c.charAt(0)==' ') c = c.substring(1,c.length);
			if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
		}
		return null;
	},
	eraseCookie : function(name) {
		this.createCookie(name,"",-1);
	},
	registerConversion : function(action, value) {
		var cookie = this.readCookie("emarkconv");
		if (cookie) {
			var img = new Image();
			var prot = document.location.protocol;
			img.src = (prot == "https:" ? "https://subscriber.e-mark.nl/conversion/" : "http://subscriber.e-mark.nl/" ) + "convert.php?action=" + escape(action) + "&value=" + escape(value) + "&cookie=" + escape(cookie);
		}
	}
}