var xmlHttp;
var id_div_dest;

function alertContents() {
	if (xmlHttp.readyState == 4 || xmlHttp.readyState=="complete") {
		if (xmlHttp.status == 200) {
			document.getElementById(id_div_dest).innerHTML = xmlHttp.responseText;
		} else {
			alert('There was a problem with the request.');
		}
	}
}

function GetXmlHttpObject() { 
	xmlHttp = false;
	if (window.XMLHttpRequest) { // Mozilla, Safari,...
		xmlHttp = new XMLHttpRequest();
		if (xmlHttp.overrideMimeType) xmlHttp.overrideMimeType('text/html');
	} else if (window.ActiveXObject) { // IE
		try {
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}

	if (!xmlHttp) {
		alert('Cannot create XMLHTTP instance');
		return false;
	}
	return true;
}


function showHint(url,divDest) { //incarca in divDest, pagina url
	if (divDest.length==0 || url.length==0) return
	id_div_dest = divDest
	if(GetXmlHttpObject()) {
		xmlHttp.onreadystatechange=alertContents
		xmlHttp.open("GET",url,true)
		xmlHttp.send(null)
	} else return false;
} 

function sendPOST(ob, url, divDest) { //trimite un formularul ob POST la url si incarca raspunsul in divDest
	obj = document.getElementById(ob);
	id_div_dest = divDest;

	var poststr = "";
	elements = obj.getElementsByTagName('input');
	for (i=0; i<elements.length; i++) {
		if (elements[i].type == "text") {
			poststr += elements[i].name + "=" + elements[i].value + "&";
		}
		if (elements[i].type == "password") {
			poststr += elements[i].name + "=" + elements[i].value + "&";
		}
		if (elements[i].type == "checkbox") {
			if (elements[i].checked) {
			  poststr += elements[i].name + "=" + elements[i].value + "&";
			} else {
			  poststr += elements[i].name + "=&";
			}
		}
		if (elements[i].type == "radio") {
			if (elements[i].checked) {
			  poststr += elements[i].name + "=" + elements[i].value + "&";
			}
		}
		if (elements[i].type == "submit" || elements[i].type == "image") {
			if(elements[i].apasat=='1') poststr += elements[i].name + "=" + elements[i].apasat + "&";
			elements[i].apasat = 0;
		}
	}

	elements = obj.getElementsByTagName('select');
	for (i=0; i<elements.length; i++) {
		if (elements[i].tagName == "SELECT") {
			var sel = elements[i];
			poststr += sel.name + "=" + sel.options[sel.selectedIndex].value + "&";
		}
	}

	elements = obj.getElementsByTagName('textarea');
	for (i=0; i<elements.length; i++) {
		poststr += elements[i].name + "=" + elements[i].value + "&";
	}

	if(GetXmlHttpObject()) {
		xmlHttp.onreadystatechange = alertContents;
		xmlHttp.open('POST', url, true);
		xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		xmlHttp.setRequestHeader("Content-length", poststr.length);
		xmlHttp.setRequestHeader("Connection", "close");
		xmlHttp.send(poststr);
	}	
}