var a = 0;
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;
            document.getElementById('sloganuitvoer').innerHTML = result; 
			 	  $('#sloganuitvoer').fadeIn();
	  				$('.button').removeAttr("disabled");
          
         } else {
            alert('Er is iets mis gegaan! Neem a.u.b contact met mij op.');
         }
      }
   }
   
   function get(obj) {
	  $('#sloganuitvoer').fadeOut();
      var poststr = "slogan=" + encodeURI( document.getElementById("invoer").value );
	  $('.button').attr("disabled", "true");
		setTimeout(function() {
		makePOSTRequest('includes/php/slogan.php', poststr);
			}, 500);
		  	if (a == 4) {
	  $('#ad').fadeIn();
	}
	
	 a = a;

   }