/**

 * validates email input of user

 */

function checkForm_de() {

	

	var email_regex = /^([_a-zA-Z0-9-]+)(\.[_a-zA-Z0-9-]+)*@([a-zA-Z0-9-]+\.)+([a-zA-Z]{2,4})$/;

	

		if (document.contact.name.value == "") {

			call_error("Bitte tragen Sie Ihren Namen ein!", "forename");

			return false;

			}

			else if (document.contact.email.value == "") {

					call_error("Bitte tragen Sie Ihre E-Mail Adresse ein!", "email");

					return false;

				}

				else if ((email_regex.test(document.contact.email.value)) == false) {

						call_error("Die E-Mail Adresse hat kein gültiges Format!", "email");

						return false;

					}

					else if (document.contact.text.value == "") {

							call_error("Bitte geben Sie einen Text an!", "text");

							return false;

						}

						else {

							clear_error();

							form_submit();

						}

	}



/**

 * clean up messages when user input changes

 */

function clear_error() {

	if (document.getElementById("errormsg").style.display != "none") 

	{

		document.getElementById("errormsg").style.display = "none";

		//document.getElementById(element).style.border = "solid grey 1px";				

	}

}





function call_error(message, element) 

{

	document.getElementById("errormsg").innerHTML = message; 

	document.getElementById("errormsg").style.display = "block";

	//document.getElementById(clear).style.border = "solid black 1px";			

	//document.getElementById(element).style.border = "solid red 1px";

		

}





function form_submit(){

	

	formarray = new Array();

	formarray['title'] = document.contact.title.value;

	formarray['name'] = document.contact.name.value;

	formarray['firma'] = document.contact.firma.value;

	formarray['email'] = document.contact.email.value;

	formarray['telephone'] = document.contact.telephone.value;

	formarray['topic'] = document.contact.topic.value;

	formarray['text'] = document.contact.text.value;

	

	// Weiterleiten an PHP



	var http_request = false;

			

		if (window.XMLHttpRequest) {

			http_request = new XMLHttpRequest();

			if (http_request.overrideMimeType) {

				http_request.overrideMimeType('text/xml');

			}

		} else if (window.ActiveXObject) {

			try {

				http_request = new ActiveXObject("Msxml2.XMLHTTP");

			} catch (e) {

				try {

					http_request = new ActiveXObject("Microsoft.XMLHTTP");

				} catch (e) {}

			}

		}

		

		if (!http_request) {

			alert('Ende :( Kann keine XMLHTTP-Instanz erzeugen');

			return false;

		}

		

	http_request.open('GET', "kontakt_action.php?title=" + formarray['title'] +"&name="+ formarray['name'] +"&firma="+ formarray['firma'] +"&email="+ formarray['email'] +"&telephone="+ formarray['telephone'] +"&topic="+ formarray['topic'] +"&text="+ formarray['text'], true);

	http_request.send(null);

	



	document.forms.contact.reset();

	document.getElementById("errormsg").innerHTML = 'Vielen Dank, wir haben Ihre Anfrage erhalten und werden diese schnellstmöglich beantworten.'; 

	document.getElementById("errormsg").style.display = "block";



	

}