var currentAnchor = null;
//Function which chek if there are anchor changes, if there are, sends the ajax petition
function checkAnchor(){
	//Check if it has changes
	if(currentAnchor != document.location.hash){
		currentAnchor = document.location.hash;
		//if there is not anchor, the loads the default section
		if(!currentAnchor)
			query = "section=home";
		else
		{
			//Creates the  string callback. This converts the url URL/#main&id=2 in URL/?section=main&id=2
			var splits = currentAnchor.substring(1).split('&');
			//Get the section
			var section = splits[0];
			delete splits[0];
			//Create the params string
			var params = splits.join('&');
			var query = "section=" + section + params;
		}
		//Send the petition
		$("#loading").show();
		$.get("callback.php",query, function(data){
			$("#page_content").html(data);
			$("#loading").hide();
		});
	}
}

function addEvent(elm, evType, fn, useCapture){if(elm.addEventListener){elm.addEventListener(evType, fn, useCapture);return true;}else if (elm.attachEvent){var r = elm.attachEvent('on' + evType, fn);return r;}else{elm['on' + evType] = fn;}}

var newWindow = null;

function closeWin(){
	if (newWindow != null){
		if(!newWindow.closed)
			newWindow.close();
	}
}

function popUpWin(url, type, strWidth, strHeight){
	
	closeWin();
		
	type = type.toLowerCase();
	
	if (type == "fullscreen"){
		strWidth = screen.availWidth;
		strHeight = screen.availHeight;
	}
	var tools="";
	if (type == "standard") tools = "resizable,toolbar=yes,location=yes,scrollbars=yes,menubar=yes,width="+strWidth+",height="+strHeight+",top=0,left=0";
	if (type == "console" || type == "fullscreen") tools = "resizable,toolbar=no,location=no,scrollbars=no,width="+strWidth+",height="+strHeight+",left=0,top=0";
	newWindow = window.open(url, 'newWin', tools);
	newWindow.focus();
}

function doPopUp(e)
{
//set defaults - if nothing in rel attrib, these will be used
var t = "standard";
var w = "780";
var h = "580";
//look for parameters
attribs = this.rel.split(" ");
if (attribs[1]!=null) {t = attribs[1];}
if (attribs[2]!=null) {w = attribs[2];}
if (attribs[3]!=null) {h = attribs[3];}
//call the popup script
popUpWin(this.href,t,w,h);
//cancel the default link action if pop-up activated
if (window.event) 
	{
	window.event.returnValue = false;
	window.event.cancelBubble = true;
	} 
else if (e) 
	{
	e.stopPropagation();
	e.preventDefault();
	}
}

function findPopUps()
{
var popups = document.getElementsByTagName("a");
for (i=0;i<popups.length;i++)
	{
	if (popups[i].rel.indexOf("popup")!=-1)
		{
		// attach popup behaviour
		popups[i].onclick = doPopUp;
		// add popup indicator
		if (popups[i].rel.indexOf("noicon")==-1)
			{
			popups[i].style.backgroundImage = "url(pop-up.gif)";
			popups[i].style.backgroundPosition = "0 center";
			popups[i].style.backgroundRepeat = "no-repeat";
			popups[i].style.paddingLeft = "15px";
			}
		// add info to title attribute to alert fact that it's a pop-up window
		popups[i].title = popups[i].title + " [Opens in pop-up window]";
		}
	}
}

addEvent(window, 'load', findPopUps, false);



var newWin = null;
function oldPopUp(strURL, strType, strHeight, strWidth) {
 if (newWin != null && !newWin.closed)
   newWin.close();
 var strOptions="";
 if (strType=="console")
   strOptions="resizable,height="+
     strHeight+",width="+strWidth;
 if (strType=="fixed")
   strOptions="status,height="+
     strHeight+",width="+strWidth;
 if (strType=="elastic")
   strOptions="toolbar,menubar,scrollbars,"+
     "resizable,location,height="+
     strHeight+",width="+strWidth;
 newWin = window.open(strURL, 'newWin', strOptions);
 newWin.focus();
}