var arrRetailerID = new Array();
var found = false;

for(i=0;i<=arrRetailerID.length;i++) {
	if (arrRetailerID[i] == retailer) {
		found = true;
	}
}
if (found == true) {
	document.write('<iframe scrolling="no" frameborder="0" border="0" width="468px" height="60px" src="http://auktion.salzburg.com/index.php?action=getBanner&type=retailer&retailer='+retailer+'"></iframe>');
}