var _request_object;
var	location_debug = "index_trigger.php?";
var debug = true;

function makeAjaxRequest(url, parametros, function_name){
	var params = window.encodeURI(parametros);
	if (window.ActiveXObject){
		try{
			_request_object = new ActiveXObject("Microsoft.XMLHTTP");
			eval("_request_object.onreadystatechange = "+function_name+";");
			_request_object.open("GET", url + params);
			_request_object.send("");
		}
		catch(e){
			return true;
		}
	}
	else if (window.XMLHttpRequest){
		try{
			_request_object = new XMLHttpRequest();
			eval("_request_object.onreadystatechange = "+function_name+";");
			_request_object.open("GET", url + params);
			_request_object.send(null);
		}
		catch(e){
			return true;
		}
	}
}

function showAjaxResponse() {
	if (_request_object.readyState == 4){
		var showOn = _request_object.getResponseHeader("showOn");
		txt_result = _request_object.responseText;
		elements = new Array();
		elements = txt_result.split('/@ajax_js_html_separator@/');
		for(i_count=0; i_count<elements.length; i_count++){
			option = elements[i_count].split('/@TYPE_CODE@/');
			switch(option[0]){
				case 'JS':
					eval(option[1]);
					break;
				case 'HTML':
				default:
					x = (option.length>1)?1:0;
					div = document.getElementById(showOn);
					if (div){
						div.innerHTML = option[x];
					}
					break;
			}
		}
		_request_object = null;
	}
}

function executeAction(task, querystring, showOn_div){
	querystring = "showOn="+showOn_div+"&task="+task+"&"+querystring;
	makeAjaxRequest(location_debug, querystring, "showAjaxResponse");
}