var request = false;
	   try {
		 request = new XMLHttpRequest();
	   } catch (trymicrosoft) {
		 try {
		   request = new ActiveXObject("Msxml2.XMLHTTP");
		 } catch (othermicrosoft) {
		   try {
			 request = new ActiveXObject("Microsoft.XMLHTTP");
		   } catch (failed) {
			 request = false;
		   }  
		 }
	   }
	
	   if (!request)
		 alert("Error initializing XMLHttpRequest!");
	
	   
	   
	   function sendkontaktform() {
		
		 var name = document.getElementById('name').value;
		 var firma= document.getElementById('firma').value;
		 var email=document.getElementById('email').value;
		 var telefon=document.getElementById('telefon').value;
		 var nachricht = document.getElementById('nachricht').value
		
		
		 var url = "http://www.weluse.de/ajax/sendkontaktform.php?name="+name+"&firma="+firma+"&email="+email+"&telefon="+telefon+"&nachricht="+nachricht;
		 request.open("GET", url, true);
		 request.onreadystatechange = showkontaktmessage;
		 request.send(null);
	   }
	   
	   
	   function showkontaktmessage() {
		 if (request.readyState == 4) {
		   if (request.status == 200) {
			 alert("Vielen Dank für Ihre eMail-Nachricht.");
			 showSchnellkontakt();
		   } else
			 alert("status is " + request.status);
		 }
	   }

	
	function checkform() {
	
		if(document.getElementById('name').value == '' || document.getElementById('firma').value == '' || document.getElementById('email').value == '' || document.getElementById('nachricht').value == '') {
		
			alert ('Bitte füllen Sie alle Felder aus.');
		
		} else {
		
			sendkontaktform();
		}
			
		return false;
	
	}
	
	function showSchnellkontakt() {
	
		var element = document.getElementById('kontaktform');
		
		if(element.style.display == 'block') {
			element.style.display='none';
		} else {
			element.style.display='block';
		}
		
		return false;
	}