/***********************************************
* AJAX Library to load a file 
* used to send data from a page to the server
* this will make an entry into the database
* without reloading the page
***********************************************/

var bustcachevar=1 //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadedobjects=""
var rootdomain="http://"+window.location.hostname

function ajaxpage(url, containerid){
	var page_request = false
	var savename = "";
	if (containerid == "savesearch")
		{
		// this is a saved search... need to ask for a title for that search
		savename= prompt('Please enter a title for this search', ' '); 
		if ( (savename==' ') || (savename==null) ) 
			 { 
			   savename="Untitled Search"; 
			 } 
			 url = url + "&add=" + savename;
		}
	document.getElementById(containerid).innerHTML="Saving";
	if (window.XMLHttpRequest) // if Mozilla, Safari etc
		page_request = new XMLHttpRequest()
	else if (window.ActiveXObject){ // if IE
	try {
		page_request = new ActiveXObject("Msxml2.XMLHTTP")
		} 
		catch (e){
		try{
		page_request = new ActiveXObject("Microsoft.XMLHTTP")
		}
		catch (e){}
		}
	}
	else
		return false
		page_request.onreadystatechange=function(){
		loadpage(page_request, containerid)
	}
	if (bustcachevar) //if bust caching of external page
		var bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
		page_request.open('GET', url+bustcacheparameter, true)
		page_request.send(null)
}
//----------------------- delete saved search --------------------

function delete_saved(url, containerid){
	var page_request = false
	var savename = "";
	var trachico = "del" + containerid
	document.getElementById(trachico).innerHTML="Removing";
	if (window.XMLHttpRequest) // if Mozilla, Safari etc
		page_request = new XMLHttpRequest()
	else if (window.ActiveXObject){ // if IE
	try {
		page_request = new ActiveXObject("Msxml2.XMLHTTP")
		} 
		catch (e){
		try{
		page_request = new ActiveXObject("Microsoft.XMLHTTP")
		}
		catch (e){}
		}
	}
	else
		return false
		page_request.onreadystatechange=function(){
		loadpage_delete(page_request, containerid)
	}
	if (bustcachevar) //if bust caching of external page
		var bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
		page_request.open('GET', url+bustcacheparameter, true)
		page_request.send(null)
}

//------------------ delete saved search -------------------



//----------------------------------------------------------------
function loadpage_delete(page_request, containerid){
	
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
	// check for error messages
	
	if (page_request.responseText == "Not_Logged_in")
		{
		// error
		alert("In order to remove listings you must be logged into our site.");
		location.href="login.aspx";
		}
		else
		{
		//document.getElementById(containerid).innerHTML=page_request.responseText;
		//document.getElementById(containerid).className="button_favorite";
		// make the listing disapear
		document.getElementById(containerid).style.display = "none";
		
		}
}


//----------------------------------------------------------------
function loadpage(page_request, containerid){
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
	// check for error messages
	if (page_request.responseText == "Not_Logged_in")
		{
		// error
		alert("In order to save searches or favorite homes you must be logged into our website.");
		location.href="login.aspx";
		}
		else
		{
		document.getElementById(containerid).innerHTML=page_request.responseText;
		document.getElementById(containerid).className="button_favorite";
		// make the button disapear
		document.getElementById(containerid).style.display = "none";
		// if the "ico" + container id exists... remove it
		if (document.getElementById("ico" + containerid))
			{
			// remove it, it exists
			document.getElementById("ico" + containerid).style.display = "none";
			}
		}
}

function loadobjs(){
	if (!document.getElementById)
		return
		for (i=0; i<arguments.length; i++){
		var file=arguments[i]
		var fileref=""
	if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
		if (file.indexOf(".js")!=-1){ //If object is a js file
			fileref=document.createElement('script')
			fileref.setAttribute("type","text/javascript");
			fileref.setAttribute("src", file);
		}
	else if (file.indexOf(".css")!=-1){ //If object is a css file
		fileref=document.createElement("link")
		fileref.setAttribute("rel", "stylesheet");
		fileref.setAttribute("type", "text/css");
		fileref.setAttribute("href", file);
		}
	}
	if (fileref!=""){
		document.getElementsByTagName("head").item(0).appendChild(fileref)
		loadedobjects+=file+" " //Remember this object as being already added to page
		}
	}
}