function contactcheck()
	{
		if (document.contact.name.value=='')
		{
			alert("Please insert your name!");
			document.contact.name.focus();
			return false;
		}
		
		if (document.contact.vorname.value=='')
		{
			alert("Please insert your first name!");
			document.contact.vorname.focus();
			return false;
		}
		
		if (document.contact.firma.value=='')
		{
			alert("Please insert your company's name!");
			document.contact.firma.focus();
			return false;
		}
		
		if (document.contact.absender.value=='')
		{
			alert("Please insert your email address!");
			document.contact.absender.focus();
			return false;
		}
		if (document.contact.absender.value.indexOf('@') == -1 || document.contact.absender.value.indexOf('.') == -1)
		{
			alert(unescape("Please check your inserted email address."));
			document.contact.absender.focus();
			return false;
		}
			
		if (document.contact.telefon.value=='')
		{
			alert("Please insert your phone number!");
			document.contact.telefon.focus();
			return false;
		}
		
		if (document.contact.frage.value=='')
		{
			alert("Please insert your statement, your question or your feedback!");
			document.contact.frage.focus();
			return false;
		}
		
		alert("Your message has been sent. The page will direct you to Water Portal page.");
		document.contact.frage.focus();
		TrackContact(); 
		return true;
	}

	var http_request = false;
   function makePOSTRequest(url, parameters) {
      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
         	// set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            http_request.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
      
      http_request.onreadystatechange = alertContents;
      http_request.open('POST', url, true);
      http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
      http_request.setRequestHeader("Content-length", parameters.length);
      http_request.setRequestHeader("Connection", "close");
      http_request.send(parameters);
   }

   function alertContents() {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            //alert(http_request.responseText);
            result = http_request.responseText; 
            TrackContact();
			alert("Message has been sent.");            
         } else {
            alert('There was a problem with the request.');
         }
      }
   }
   
   function temp_check()
   {
		if (document.contact.name.value=='')
		{
			alert("Please insert your name!");
			document.contact.name.focus();
			return false;
		}
		
		if (document.contact.vorname.value=='')
		{
			alert("Please insert your first name!");
			document.contact.vorname.focus();
			return false;
		}
		
		if (document.contact.firma.value=='')
		{
			alert("Please insert your company's name!");
			document.contact.firma.focus();
			return false;
		}
		
		if (document.contact.absender.value=='')
		{
			alert("Please insert your email address!");
			document.contact.absender.focus();
			return false;
		}
		if (document.contact.absender.value.indexOf('@') == -1 || document.contact.absender.value.indexOf('.') == -1)
		{
			alert(unescape("Please check your inserted email address."));
			document.contact.absender.focus();
			return false;
		}
			
		if (document.contact.telefon.value=='')
		{
			alert("Please insert your phone number!");
			document.contact.telefon.focus();
			return false;
		}
		
		if (document.contact.frage.value=='')
		{
			alert("Please insert your statement, your question or your feedback!");
			document.contact.frage.focus();
			return false;
		}
		
		return true;
   }
   
   function get(obj) {
		var check = temp_check();
		if (!check)
			return;
		var poststr = "Empfaenger="+encodeURI("")+"&Ueberschrift0="+encodeURI("Kontaktanfrage%3A")+"&Var1="+encodeURI("name")+"&Var2="+encodeURI("vorname")+"&Var3="+encodeURI("position")+"&Var4="+encodeURI("firma")+"&Var5="+encodeURI("telefon")+"&Var6="+encodeURI("frage")+"&Var0="+encodeURI("anrede")+"&anrede="+encodeURI("Herr")+"&name="+encodeURI(document.contact.name.value)+"&vorname="+encodeURI(document.contact.vorname.value)+"&position="+encodeURI(document.contact.position.value)+"&firma="+encodeURI(document.contact.firma.value)+"&absender="+encodeURI(document.contact.absender.value)+"&telefon="+encodeURI(document.contact.telefon.value)+"&frage="+encodeURI(document.contact.frage.value)+"&gesendet="+encodeURI("1")+"&Subject="+encodeURI("Kontaktanfrage")+"&send="+encodeURI("Send");
      makePOSTRequest('http://www.industry.siemens.com/Water/en/index.htm', poststr);
   }