/**
 * @author ap
 */

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

var http = createRequestObject();

/* - Validators ------------------------------------------------------------ */

function validate(field, val)
{
  http.open('get', 'scripts/ajax/validate.php?field='+field+'&value='+val);
  http.onreadystatechange = handleResponse;
  http.send(null);		
}

/* - Seasons --------------------------------------------------------------- */

function changeSeason(season)
{
  var rndimg = Math.floor(Math.random()*3)+1;
	
  document.getElementById('season_css').removeAttribute('href');
  document.getElementById('season_css').setAttribute('href', 'css/layout_web_' + season + '.css');

  document.getElementById('headerImage').removeAttribute('src');
  document.getElementById('headerImage').setAttribute('src', 'images/header/' + season + rndimg + '.jpg');
	
  http.open('get', 'scripts/ajax/ajax.php?season='+season);
  http.send(null);
}

/* - Standard -------------------------------------------------------------- */

function sndReq(action) {
    http.open('get', 'scripts/ajax/ajax.php?action='+action);
    http.onreadystatechange = handleResponse;
    http.send(null);
}

function handleResponse() {
    if(http.readyState == 4){
        var response = http.responseText;
        var update = new Array();
    
//		    alert(response);
				
        if(response.indexOf('|' != -1)) {
            update = response.split('|');
            document.getElementById(update[0]).innerHTML = update[1];
        }
    }
}