var last = "";

function start(){
	last = document.getElementById("text").innerHTML;
	if(document.getElementById("name"))setTimeout("save();",30000);
}

function save(){
	if(last != document.getElementById("text").innerHTML)xmlhttpPost("/index.php?autosave");
	last = document.getElementById("text").innerHTML;
	setTimeout("save();",30000);
}

function xmlhttpPost(strURL) {
    var xmlHttpReq = false;
    var self = this;
    // Mozilla/Safari
    if (window.XMLHttpRequest) {
        self.xmlHttpReq = new XMLHttpRequest();
    }
    // IE
    else if (window.ActiveXObject) {
        self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
    }
    self.xmlHttpReq.open('POST', strURL, true);
    self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    self.xmlHttpReq.onreadystatechange = function() {
        if (self.xmlHttpReq.readyState == 4) {}
    }
    self.xmlHttpReq.send("name=" + escape(document.getElementById("name").value) + "&text=" + escape(document.getElementById("text").value));
}