var http_request = false;
function makePOSTRequest(url, parameters) {
	http_request = false;
	if (window.XMLHttpRequest) { // Mozilla, Safari,...
		 http_request = new XMLHttpRequest();
		 if (http_request.overrideMimeType) {
				http_request.overrideMimeType('text/xml');
		 }
	} 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('searchResult').innerHTML = result;            
		} else {
			alert('There was a problem with the request.');
		}
	}
}

function get(obj, url) {
	var poststr = "";
  var complete = true;
  for (var i=0; i < document.searchFrm.elements.length; i++) {
		if ( document.searchFrm.elements[i].id != "" && document.searchFrm.elements[i].value != "" ) {
			if ( i != 0 )
				poststr += "&";
			poststr += document.searchFrm.elements[i].id + "=" + encodeURI( document.searchFrm.elements[i].value );
		}
	}
	//alert(poststr);
	makePOSTRequest(url, poststr);
}

function setParam( param, val ) {
	document.getElementById(param).value = val;
	return true;
}