/***********************************************
* Dynamic Ajax Content- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

var bustcachevar=1; //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadedobjects="";
var rootdomain="http://"+window.location.hostname;
var bustcacheparameter="";

function ajaxpage(url, containerid, cb){
	var page_request = false;
	callback = typeof cb == 'function' ? cb : function() {};
	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()
	{
		if(page_request.readyState==4) // beppe - 2011-10-18 - se la richiesta e' andata a buon fine, allora...
		{
			loadpage(page_request, containerid);
			callback(page_request, containerid);
		}
	};

	if (bustcachevar) //if bust caching of external page
		bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime();

	page_request.open('GET', url+bustcacheparameter, true);
	page_request.send(null);
}

function loadpage(page_request, containerid){
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
	{
		//~ alert(containerid); // DEBUG
		document.getElementById(containerid).innerHTML=page_request.responseText;
	}
}

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
			}
		}
}

/***Combo Menu Load Ajax snippet**/
function ajaxcombo(selectobjID, loadarea, baseUrl){
	var selectobj=document.getElementById? document.getElementById(selectobjID) : "";
	if (selectobj!="" && selectobj.options[selectobj.selectedIndex].value!="")
		ajaxpage(baseUrl + selectobj.options[selectobj.selectedIndex].value, loadarea);
}

/*

EXAMPLE
-------

</head>

<body>

<a href="javascript:ajaxpage('external.htm', 'element_id_container');">Load content</a>

<a href="javascript:ajaxpage('http://www.wsarea.com/', 'element_id_container');">wsarea home page</a>

<div style="margin-top: 2em">Load CSS & JS files</div>
<a href="javascript:loadobjs('style.css', 'tools.js');">Load "style.css" and "tools.js"</a>

<div id="element_id_container"><h3>Choose a page to load.</h3></div>
<div style="clear: left; margin-bottom: 1em"></div>

</body>
</html>

*/




