// Browse

var xmlhttp

function arvostele(vote, id) {
	if(vote==1 || vote==0) {
	
		xmlhttp=GetXmlHttpObject();
		if (xmlhttp==null) {
  			alert ("Your browser does not support XMLHTTP!");
  			return;
  		}
		var url="/browse/vote_ajax.php";
		url=url+"?vote="+vote;
		url=url+"&id="+id;
		url=url+"&sid="+Math.random();
		xmlhttp.onreadystatechange=stateChanged;
		xmlhttp.open("GET",url,true);
		xmlhttp.send(null);
	}
	else {
		return;	
	}
}

function stateChanged() {
	if (xmlhttp.readyState==4) {
  		document.getElementById("arvostelu").innerHTML=xmlhttp.responseText;
  	}
}

function GetXmlHttpObject() {
	if (window.XMLHttpRequest) {
  		// code for IE7+, Firefox, Chrome, Opera, Safari
  		return new XMLHttpRequest();
  	}
	if (window.ActiveXObject) {
  		// code for IE6, IE5
  		return new ActiveXObject("Microsoft.XMLHTTP");
  	}
	return null;
}