var myBrowser; 
var mySystem = navigator.appVersion;

if (navigator.appName == "Microsoft Internet Explorer") {
  myBrowser='MSIE';
} else {
  myBrowser='NET';
} 



// --------------------------------------------------------------------------------

function openForm(lang, id) {
	var features = "toolbar=no, address=no, status=no, resizable=no, scrollbars=no";
	if (lang == "de") {
		var theURL = "/formById.php?lang=" + lang + "&id=" + id;
	} else {
		var theURL = "/form_" + lang + ".html";
	}
	//alert(theURL);
	openWindow(670, 620, theURL, features);
}


function openEnquiry(lang, id) {
	var features = "toolbar=no, address=no, status=no, resizable=no, scrollbars=no";
	var theURL = "/formById.php?lang=" + lang + "&id=" + id;
	//alert(theURL);
	openWindow(670, 620, theURL, features);
}


function openWindow(w, h, url, features) {
	if (myBrowser == "MSIE") {
		h += 34;
		w -= 16;
	}
	var left = (screen.width - w) / 2;
	var top = (screen.height- h) / 2;
	var settings = "height=" + h + ",width=" + w + ",top=" + top + ",left=" + left + "," + features;
	tw = window.open(url, "ext", settings);
	if (tw == null) {
		alert("Um die Formulare nutzen zu können, sollten Pop-Up-Blocker deaktiviert sein.");
	}
	tw.focus();
}