function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function XHConn()
{
  var xmlhttp, bComplete = false;
  try { xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); }
  catch (e) { try { xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); }
  catch (e) { try { xmlhttp = new XMLHttpRequest(); }
  catch (e) { xmlhttp = false; }}}
  if (!xmlhttp) return null;
  this.connect = function(sURL, sMethod, sVars, fnDone)
  {
    if (!xmlhttp) return false;
    bComplete = false;
    sMethod = sMethod.toUpperCase();

    try {
      if (sMethod == "GET")
      {
        xmlhttp.open(sMethod, sURL+"?"+sVars, true);
        sVars = "";
      }
      else
      {
        xmlhttp.open(sMethod, sURL, true);
        xmlhttp.setRequestHeader("Method", "POST "+sURL+" HTTP/1.1");
        xmlhttp.setRequestHeader("Content-Type",
          "application/x-www-form-urlencoded");
      }
      xmlhttp.onreadystatechange = function(){
        if (xmlhttp.readyState == 4 && !bComplete)
        {
          bComplete = true;
          fnDone(xmlhttp);
        }};
      xmlhttp.send(sVars);
    }
    catch(z) { return false; }
    return true;
  };
  return this;
}

function makeScrollbar(content,scrollbar,handle,horizontal,ignoreMouse){
	var steps = (horizontal?(content.getScrollSize().x - content.getSize().x):(content.getScrollSize().y - content.getSize().y))
	var slider = new Slider(scrollbar, handle, {	
		steps: steps,
		mode: (horizontal?'horizontal':'vertical'),
		onChange: function(step){
			// Scrolls the content element in x or y direction.
			var x = (horizontal?step:0);
			var y = (horizontal?0:step);
			content.scrollTo(x,y);
		}
	}).set(0);
	if( !(ignoreMouse) ){
		// Scroll the content element when the mousewheel is used within the 
		// content or the scrollbar element.
		$$(content, scrollbar).addEvent('mousewheel', function(e){	
			e = new Event(e).stop();
			var step = slider.step - e.wheel * 30;	
			slider.set(step);					
		});
	}
	// Stops the handle dragging process when the mouse leaves the document body.
	$(document.body).addEvent('mouseleave',function(){slider.drag.stop()});
}

function showSqueezeBox(id, page, width, height) {
	
	SqueezeBox.fromElement($(id), {
		url: page,
		handler:'iframe',
		size: {x: width, y: height},
		onClose: function() {
				SqueezeBox.trash();
			}
	}); 
}

// cookies

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);
}

// accordion

function reloadAccordion(div_name) {
	var handle_toggler = true;
	var handle_element = true;
	var show_display = 0;
	
	if (arguments.length >= 2) {
		handle_toggler = arguments[1];
	}
	if (arguments.length >= 3) {
		handle_element = arguments[2];
	}
	if (arguments.length >= 4) {
		show_display = arguments[3];
	}
	
	
	var myAccordion = new Accordion($(div_name), 'div.toggler', 'div.element', {
		opacity: false,
		display: show_display,
		onActive: function(toggler, element){
			if (handle_toggler) {
				toggler.setStyle('visibility', 'hidden');
				toggler.setStyle('display', 'none');
			}
			if (handle_element) {
				element.setStyle('visibility', 'visible');
				element.setStyle('margin-bottom','10px');
			}
		},
		onBackground: function(toggler, element){
			if (handle_toggler) {
				toggler.setStyle('visibility', 'visible');
				toggler.setStyle('display', 'block');
			}
			if (handle_element) {
				element.setStyle('visibility', 'hidden');
				element.setStyle('margin-bottom','0px');
			}
		}
	});
}

// browser

function isIE6() {
	var navi = navigator.appVersion;
	var ie6 = false;
	
	if(navi.indexOf("MSIE")>-1){
		var navAr = navi.split(";");
	
		if(parseFloat(navAr[1].split(" ")[2]) == 6)
		{
		 	ie6 = true;
		}
	}
	
	return ie6;
}

// registation

function checkLogin() {
	var user_id = readCookie('diadermine_user_id');
	
	return (user_id != null);
}

function showLoginBox(question) {
	var result = false;
	
	if (checkLogin() == false) {
		result = true;
		
		//get lang
		var lang = readCookie("diadermine_language");
		if (lang == null) lang = "BE";
		
		showSqueezeBox(this, '../lightboxes/login_' +lang+ '.php', 385, 290);
	}
	
	return result;
}

function openPrivateURL(url) {
	var isLightBox = arguments.length > 1;
	
	if (checkLogin()) {
		if (isLightBox) {
			var options = arguments[1];
				
			showSqueezeBox(this, '../lightboxes/'+url, options.w, options.h);
		} else {
			window.location.href = url;
		}
	} else {
		//get lang
		var lang = readCookie("diadermine_language");
		if (lang == null) lang = "BE";
		
		showSqueezeBox(this, '../lightboxes/login_' +lang+ '.php', 385, 290);
	}
}

function getQueryVariable(variable) {
	var query = window.location.search.substring(1);
	var temp = query.match(/([^#]*).*/);
	var realQuery = temp[1];
	var vars = realQuery.split('&');
	
	for (var i=0;i<vars.length;i++) {
		var pair = vars[i].split('=');
		
		if (pair[0] == variable) {
			return pair[1];
		}
	}
}

function track_page(cPage) {
	var myConn = new XHConn();
	if (!myConn) alert("XMLHTTP not available. Try a better browser.");
		myConn.connect("/scripts/track.php", "POST", "pagecode="+cPage, fnWhenDone);
}

var fnWhenDone = function (oXML) { 
	return true;
};
/*
window.addEvent('domready', function() {
	var anchors = $$('a');
	
	for(i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		
		anchor.addEvent('click', function() {
			track_page("boom");
		})
	}
});*/

function numbersonly(myfield, e, dec)
{
	var key;
	var keychar;
	
	if (window.event)
	   key = window.event.keyCode;
	else if (e)
	   key = e.which;
	else
	   return true;
	keychar = String.fromCharCode(key);
	
	// control keys
	if ((key==null) || (key==0) || (key==8) || 
		(key==9) || (key==13) || (key==27) )
	   return true;
	
	// numbers
	else if ((("0123456789").indexOf(keychar) > -1))
	   return true;
	else
	   return false;
}