var xmlHttp

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

function addfavourite_travler(str)
{ 	//alert("hello");
xmlHttp = GetXmlHttpObject()
	if (xmlHttp==null)
	{	alert ("Browser does not support HTTP Request")
		return
	}
	var url = "add_favourite_travler.php"
	url = url + "?actn=add&pid=" + str
	url = url + "&sid=" + Math.random()
	xmlHttp.onreadystatechange = stateChanged
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

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

function delfavourite_traveller(str)
{ 	xmlHttp = GetXmlHttpObject()
	if (xmlHttp==null)
	{	alert ("Browser does not support HTTP Request")
		return
	}
	var url = "add_favourite_travler.php"
	url = url + "?actn=del&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")
	{
		//document.getElementById("city_div").innerHTML = xmlHttp.responseText
		alert(xmlHttp.responseText);
		if(xmlHttp.responseText=='Property is removed from your favourites.')document.location.reload();
	} 
}

function GetXmlHttpObject()
{ 	var objXMLHttp=null
	if (window.XMLHttpRequest)
	{
		objXMLHttp=new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
	{
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
}
////////////////////////////////////////////