// JavaScript Document
function onLoad(){} // google maps can overwrite this function

function addBookmark(title,url) {
	if (window.sidebar) { 
		window.sidebar.addPanel(title, url,""); 
	} else if( document.all ) {
		window.external.AddFavorite( url, title);
	} else if( window.opera && window.print ) {
		return true;
	}
}

function tellAfriend()
{
	var url = document.location.href.split('/');
	var id = url[url.length-2];
	if( !isNaN(id) )
		show_overlay('tellafriend.html?id='+id, 370, 400);
	else
		show_overlay('tellafriend.html', 370, 400);
}

function addKantoor()
{
	show_overlay('nieuwkantoor.html', 370, 430);
}

if (!window.XMLHttpRequest) {
	window.XMLHttpRequest = function() {
		var types = ['MSXML2.XMLHTTP.6.0', 'MSXML2.XMLHTTP.3.0'];
		for (var i = 0; i < types.length; i++) {
			try {
				return new ActiveXObject(types[i]);
			} catch(e) {}
		}
		return undefined;
	}
}

function showBlok(key)
{
	// we gaan uit van de status van intro!
	if(document.getElementById('intro'+key))
	{
		var _key=0;
		var _tmp = document.getElementById('intro'+key).style.display;
		
		
		while(document.getElementById('intro'+_key))
		{
			document.getElementById('intro'+_key).style.display = 'block';
			document.getElementById('subBLok'+_key).style.display = 'none';
			document.getElementById('img'+_key).src = 'http://hypotheek.adviseursvergelijk.nl/img/switch_down.gif';
			_key++;
		}
		
		// nu unhiden we onze
		if(_tmp == 'block')
		{
			document.getElementById('intro'+key).style.display = 'none';
			document.getElementById('subBLok'+key).style.display = 'block';
			document.getElementById('img'+key).src = 'http://hypotheek.adviseursvergelijk.nl/img/switch_up.gif';
		}
		else
		{
			document.getElementById('intro'+key).style.display = 'block';
			document.getElementById('subBLok'+key).style.display = 'none';
			document.getElementById('img'+key).src = 'http://hypotheek.adviseursvergelijk.nl/img/switch_down.gif';
		}
	}
}

function show_overlay(location, width, height)
{
	var arrayPageSize = getPageSize();
	
	// overlay
	var objOverlay = document.getElementById("overlay");
	var objContent= document.getElementById("overlayContent");
	
	// create Iframe
	var iframe = document.createElement('iframe');
	iframe.frameBorder = 0;
	iframe.scrolling = "no";
	objContent.appendChild(iframe);
	iframe.src = location;
	
	// set height of Overlay to take up whole page and show
	objOverlay.style.height = (arrayPageSize[1] + 'px');
	objOverlay.style.display = 'block';
	objContent.style.display = 'block';
	if(width)
	{
		objContent.style.width = width+'px';
		objContent.style.marginLeft = '-'+Math.ceil(width/2)+'px';
	}
	if(height)
	{
		objContent.style.height = (height+20)+'px';
	}
	
	// Hide select boxes as they will 'peek' through the image in IE
	selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
			selects[i].style.visibility = "hidden";
	}
	
	// scroll to top!
	scroll(0,0);
}


function hide_overlay()
{
	objOverlay = document.getElementById("overlay");
	objContent= document.getElementById("overlayContent");
	
	// hide lightbox and overlay
	objOverlay.style.display = 'none';
	objContent.style.display = 'none';
	
	objContent.innerHTML = '';
	
	// make select boxes visible
	selects = document.getElementsByTagName("select");
    for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}
}

//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.org
// Edit for Firefox by pHaez
//
function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}

/*  Cookie!  */ 
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}