// © Winfried Huslik, winfried@huslik.de
// 2010-07-20


function showCoupon(str) {

	if (window.XMLHttpRequest) { // code for IE7+, Firefox, Chrome, Opera, Safari
	  xmlhttp=new XMLHttpRequest();
	}
	else { // code for IE6, IE5
	  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	xmlhttp.onreadystatechange=function() {
		if (xmlhttp.readyState==4 && xmlhttp.status==200) {
	    document.getElementById("coupon").innerHTML=xmlhttp.responseText;
	  }
	}
	xmlhttp.open("GET","update20.php?q="+str,true);
	xmlhttp.send();
	
}