function createRequestObject(){
	var request_o; //declare the variable to hold the object.
	var browser = navigator.appName; //find the browser name
	if(browser == "Microsoft Internet Explorer"){
		/* Create the object using MSIE's method */
		request_o = new ActiveXObject("Microsoft.XMLHTTP");
	}else{
		/* Create the object using other browser's method */
		request_o = new XMLHttpRequest();
	}
	return request_o; //return the object
}


var http = createRequestObject(); 

function getEvents(){
	http.open('get', 'internal_request_2007.php?ran='+Date()+'&action=get_events&sport=' 
			+ document.form_sport_select.select_sport_select.options[document.form_sport_select.select_sport_select.selectedIndex].value);

	document.getElementById('form_sport').value = document.form_sport_select.select_sport_select.options[document.form_sport_select.select_sport_select.selectedIndex].value;
	document.getElementById('form_event').value = "";

	http.onreadystatechange = handleEvents; 

	http.send(null);
}

function getSubevents(){

	var event = document.form_event_select.select_event_select.options[document.form_event_select.select_event_select.selectedIndex].value;

	http.open('get', 'internal_request_2007.php?ran='+Date()+'&action=get_subevents&id=' 
			+ event + '&sport=' 
			+ document.form_sport_select.select_sport_select.options[document.form_sport_select.select_sport_select.selectedIndex].value);

	document.getElementById('form_event').value = event;

	http.onreadystatechange = handleSubevents; 

	http.send(null);
}

function handleEvents(){

	if(http.readyState == 4){ //Finished loading the response

		var response = http.responseText;
		document.getElementById('events_cage').innerHTML = response;
		document.getElementById('subevents_cage').innerHTML = "";


	}
}

function handleSubevents(){

	if(http.readyState == 4){ //Finished loading the response

		var response = http.responseText;
		document.getElementById('subevents_cage').innerHTML = response;
		//document.getElementById('event_text').innerHTML = "";

	}
}