function createRequestObject(){
	var request_o;
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer"){
		request_o = new ActiveXObject("Microsoft.XMLHTTP");
	}else{
		request_o = new XMLHttpRequest();
	}
	return request_o;
}

var http = createRequestObject(); 

function get_image(){
	http.open('get', 'image_request.php?action=get_image&image='
	+ document.form.image.value);
	http.onreadystatechange = handle_gallery; 
	http.send(null);
}

function get_gallery_image(folder){
	http.open('get', 'image_request.php?action=get_gallery_image&folder='+folder+'&image='
	+ document.form.image.value);
	http.onreadystatechange = handle_gallery; 
	http.send(null);
}

function handle_gallery() 
{
    if(http.readyState == 4)
    {
        var response = http.responseText;
        var update = new Array();

        if(response.indexOf('||' != -1)) 
        {
            update = response.split('||');
		document.getElementById('current_image').src = update[0];
		document.getElementById('venue_name').innerHTML = update[1];
        }
    }
}