function getVote(int) {
	if (window.XMLHttpRequest) {
		// code for IE7+, Firefox, Chrome, Opera, Safari
	  	xmlhttp=new XMLHttpRequest();
	} else {
		// code for IE6, IE5
		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
	}

	xmlhttp.onreadystatechange=function() {
  		if (xmlhttp.readyState==4 && xmlhttp.status==200) {
    		document.getElementById("symposium").innerHTML=xmlhttp.responseText;
    	}
  }
  
  var currentTime = new Date();
  var time = currentTime.getTime();

	xmlhttp.open("GET","pages/vote_form.php?vote="+int+"&now="+time,true);
	xmlhttp.send();
}


function checkEmail() {
	var email= document.getElementById("emailToSubscribe").value;

	if (window.XMLHttpRequest) {
		// code for IE7+, Firefox, Chrome, Opera, Safari
	  	xmlhttp=new XMLHttpRequest();
	} else {
		// code for IE6, IE5
		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	xmlhttp.onreadystatechange=function() {
  		if (xmlhttp.readyState==4 && xmlhttp.status==200) {
    		document.getElementById("msgToSubscribe").innerHTML=xmlhttp.responseText;
    		document.getElementById("emailToSubscribe").value="";
    	}
  }

  var currentTime = new Date();
  var time = currentTime.getTime();

	xmlhttp.open("GET","pages/subscribe_email.php?email="+email+"&time="+time,true);
	xmlhttp.send();
}