function addEvent(obj, eventType,fn, useCapture)
		{
			if (obj.addEventListener) {
				obj.addEventListener(eventType, fn, useCapture);
				return true;
			} else {
				if (obj.attachEvent) {
					var r = obj.attachEvent("on"+eventType, fn);
					return r;
				}
			}
		}
		function createHTTPHandler()
		{
			httphandler = false;
			/*@cc_on @*/
			/*@if (@_jscript_version >= 5)
			// JScript gives us Conditional compilation, we can cope with old IE versions.
			// and security blocked creation of the objects.
			try 
			{
				httphandler = new ActiveXObject("Msxml2.XMLHTTP");
			}
			catch (e) 
			{
				try 
				{
					httphandler = new ActiveXObject("Microsoft.XMLHTTP");
				} 
				catch (E) 
				{
					httphandler = false;
				}
			}
			@end @*/
			if (!httphandler && typeof XMLHttpRequest!='undefined') 
			{
				httphandler = new XMLHttpRequest();
			}
			return httphandler;
		}

		function send(e)
		{
			var XMLHTTPObject = createHTTPHandler();
			var naam = document.getElementById('naam').value;
			var email = document.getElementById('email').value;
			var aan = document.getElementById('aan').value;
			var ow = document.getElementById('ow').value;
			var msg = document.getElementById('msg').value;
			var get = 'naam=' + naam + '&email=' + email + '&aan=' + aan + '&ow=' + ow + '&msg=' + msg ;
			XMLHTTPObject.open('GET', '/post_contact.php?action=post&' + get, true);
			XMLHTTPObject.setRequestHeader("Cache-Control", "no-cache");
			XMLHTTPObject.setRequestHeader("X_USERAGENT", "AjaxContactForm");
			XMLHTTPObject.send(null);
			XMLHTTPObject.onreadystatechange=function() 
			{
				if (XMLHTTPObject.readyState==4) 
				{
					var inhoudDiv = document.getElementById('details');
					inhoudDiv.innerHTML = XMLHTTPObject.responseText;
					inhoudDiv.style.display = 'block';
					if (XMLHTTPObject.responseText == 'Uw email is verzonden! Bedankt voor uw email! ')
					{
						disable();
					}
					return true;
				}
			}
			return false;
		}
		function disable()
		{
			var naam = document.getElementById('naam');
			var email = document.getElementById('email');
			var aan = document.getElementById('aan');
			var ow = document.getElementById('ow');
			var msg = document.getElementById('msg');
			var knop = document.getElementById('knop');
			naam.disabled = 'disabled';
			email.disabled = 'disabled';
			aan.disabled = 'disabled';
			ow.disabled = 'disabled';
			msg.disabled = 'disabled';
			knop.disabled = 'disabled';
			return false;	
		}