var xmlHttp

function addToFavorites(str) {
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)  {
		alert ("Browser does not support HTTP Request")
		return
	 }
	var url="addFavorite.php"
	url=url+"?pID="+str
	url=url+"&sid="+Math.random()
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function stateChanged() { 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") {
		var responseArray = xmlHttp.responseText.split(';');

		if(responseArray[0] == "notLoggedIn") {
			location.replace('./login.php');
		} else if (responseArray[1] == 0) {
			document.getElementById("txtHint").innerHTML=responseArray[0];
			document.getElementById("txtHint").style.display='block';
		} else if (responseArray[1] == 1) {
			document.getElementById("txtHint").innerHTML=responseArray[0];
			document.getElementById("txtHint").style.display='block';
		} else if (respondeArray[1] == 2) {
			document.getElementById("txtHint").innerHTML=responseArray[0];
			document.getElementById("txtHint").style.display='block';
	} else {
			document.getElementById("txtHint").style.display='block';
			document.getElementById("txtHint").innerHTML=responseArray[0];
		}
		

	} 
}

function GetXmlHttpObject() {
	var xmlHttp=null;
	try {
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)  {
		//Internet Explorer
		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e) {
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}