function collectData() {
	var els = document.getElementById("dataform").elements;
	var str = "";
	for(var i=0; i<els.length; i++) {
		if(els[i].type != "submit") {
			if(els[i].type == "radio") {
				if(els[i].checked) {
	      	if(i > 0)str += "&";
	        	str += els[i].name + "=" + els[i].value;
      	}
			}
      else if(els[i].type == "checkbox") {
      	if(els[i].checked) {
					if(i > 0)str += "&";
					str += els[i].name + "=" + els[i].value;
				}
			}
			else {
			if(i > 0)str += "&";
			str += els[i].name + "=" + els[i].value;
			}
		}
	}
	return str;
}

function submitForm(ajaxfile) {		
	var data = collectData();
  var url = "/ajax/"+ajaxfile+".php";
	$.ajax({
		url: url,	
		type: "POST",
		data: data,		
		cache: false,
		success: function (html) {				
			document.getElementById("formwrapper").innerHTML = html;
		}		
	});
	return false;
}