var http_request = false;
   function makeRequest(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('Ocorreu um erro ao enviar o pedido. \n Por favor tente de novo mais tarde.');
         return false;
      }
      http_request.onreadystatechange = alertContents; 
      http_request.open('GET', url + parameters, true);
      http_request.send(null);
   }

   function alertContents() {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            //alert(http_request.responseText);
            var result = http_request.responseText;
            //document.getElementById('myspan').innerHTML = result;            
         	//alert(result);
			 document.getElementById('panel_content').innerHTML="<p>"+ result +"</p>";
	  CollapsiblePanel1.open();
		 } else {
            var result = "Ocorreu um erro ao enviar o pedido. Por favor tente novamente mais tarde. <br/><br/>Se o problema persistir envie o seu pedido directamente para o endereço <a href='mailto:geral@limousines.pt'>geral@limousines.pt</a>. <br/><br/> Pedimos desculpa pelo incómodo.";
			 document.getElementById('panel_content').innerHTML="<p>"+ result +"</p>";
	  CollapsiblePanel1.open();
         }
      }
	  
	 
	  
	  
   }




function submit_form(obj,url) {
	document.getElementById('loadingg').style.display="inline";
	document.getElementById('enviar').style.display="none";
	//alert("pause");
	var getstr = "?";
  for (i=0; i<obj.getElementsByTagName("input").length; i++) {
	
        if (obj.getElementsByTagName("input")[i].type == "text" || 
		obj.getElementsByTagName("input")[i].type == "hidden") {
           getstr += obj.getElementsByTagName("input")[i].name + "=" + 
                   obj.getElementsByTagName("input")[i].value + "&";
        }
        if (obj.getElementsByTagName("input")[i].type == "checkbox") {
           if (obj.getElementsByTagName("input")[i].checked) {
              getstr += obj.getElementsByTagName("input")[i].name + "=" + 
                   obj.getElementsByTagName("input")[i].value + "&";
           } else {
              getstr += obj.getElementsByTagName("input")[i].name + "=&";
           }
        }
        if (obj.getElementsByTagName("input")[i].type == "radio") {
           if (obj.getElementsByTagName("input")[i].checked) {
              getstr += obj.getElementsByTagName("input")[i].name + "=" + 
                   obj.getElementsByTagName("input")[i].value + "&";
           }
     }  
     if (obj.getElementsByTagName("input")[i].tagName == "SELECT") {
        var sel = obj.getElementsByTagName("input")[i];
        getstr += sel.name + "=" + sel.options[sel.selectedIndex].value + "&";
     }
  }
  
  for (i=0; i<obj.getElementsByTagName("textarea").length; i++) {
	
      getstr += obj.getElementsByTagName("textarea")[i].name + "=" +
	  obj.getElementsByTagName("textarea")[i].value + '&';
  }
  
  for (i=0; i<obj.getElementsByTagName("select").length; i++) {
	
      getstr += obj.getElementsByTagName("select")[i].name + "=" +
	  obj.getElementsByTagName("select")[i].value + '&';
        
  }
   
  //alert("pause 2");
  makeRequest(url, getstr);
   
}