function UpdateSlider(obj, el1id, el2id)
{
	var el1 = document.getElementById(el1id); 
	var el2 = document.getElementById(el2id); 

	el2.value=el1.value; 
	obj.setValue(el1.value);
}


function UpdateHidden(el1id, el2id)
{
	var el1 = document.getElementById(el1id); 
	var el2 = document.getElementById(el2id); 

	el2.value=el1.value;
}

function CheckUncheck()
{
	var AantalChecked = 0;

	var el = document.getElementsByName("CheckboxGroep");

	for (i=0; i<el.length; i++)
	{
		//alert(el[i].childNodes[0].checked);
		if (el[i].childNodes[0].checked) {AantalChecked++;}
	
	}


	// Speciale situatie 1 er is een vakje unchecked, dan deze checked maken, en de andere niet
	if (AantalChecked == el.length - 1)
	{
		for (i=0; i<el.length; i++)
		{
			if (el[i].childNodes[0].checked) {el[i].childNodes[0].checked = false;} else {el[i].childNodes[0].checked = true;}
		}
	}

	// Speciale situatie 2: alle vakjes unchecked => alle vakjes checken
	if (AantalChecked == 0)
	{
		for (i=0; i<el.length; i++)
		{
			el[i].childNodes[0].checked = true;
		}
	}




}

function isInteger(s)
{
	return (s.toString().search(/^-?[0-9]+$/) == 0);
}

function checkFormulierReminder()
{
	var selObj = document.getElementById('Maand');
	var selIndex = selObj.selectedIndex;
	var Maand = selObj.options[selIndex].value;

	var selObj = document.getElementById('Jaar');
	var selIndex = selObj.selectedIndex;
	var Jaar = selObj.options[selIndex].value;

	// Check op emailadres

	var email = document.getElementById('EmailadresReminder');
	var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(email.value)) 
	{
		alert('Emailadres is niet correct');
		return false;
	}

	var Maand = document.getElementById('Maand').value;
	if (!isInteger(Maand) || Maand < 1 || Maand > 12) 
	{
		alert('Datum (maand) is niet correct');
		return false;
	}

	var Jaar = document.getElementById('Jaar').value;
	if (!isInteger(Jaar) || Jaar < 2008 || Jaar > 2013) 
	{
		alert('Datum (jaar) is niet correct');
		return false;
	}


}

function checkFormulierNieuwsbrief()
{
	var email = document.getElementById('EmailadresNieuwsbrief');
	var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(email.value)) 
	{
		alert('Emailadres is niet correct');
		return false;
	}
}

function get(obj, getstr) 
{
	// alert(obj.childNodes.length);

	var getstr = "index.htm?";

      	for (i=0; i<obj.childNodes.length; i++) 
	{
		if (obj.childNodes[i].tagName == "INPUT") 
		{
			
			if (obj.childNodes[i].type == "text" || obj.childNodes[i].type == "hidden") 
			{
				getstr += obj.childNodes[i].name + "=" + obj.childNodes[i].value + "&";
            		}

			if (obj.childNodes[i].type == "checkbox") 
			{
				if (obj.childNodes[i].checked) 
				{
					getstr += obj.childNodes[i].name + "=" + obj.childNodes[i].value + "&";
               			}
				else
				{
					getstr += obj.childNodes[i].name + "=&";
               			}
            		}

			if (obj.childNodes[i].type == "radio") 
			{
               			if (obj.childNodes[i].checked) 
				{
                  			getstr += obj.childNodes[i].name + "=" + obj.childNodes[i].value + "&";
               			}
            		}
         	} 
		else if(obj.childNodes[i].childNodes.length) 
		{
		     	for (j=0; j<obj.childNodes[i].childNodes.length; j++) 
			{
				if (obj.childNodes[i].childNodes[j].tagName == "INPUT") 
				{
					if (obj.childNodes[i].childNodes[j].type == "text") 
					{
						getstr += obj.childNodes[i].childNodes[j].name + "=" + obj.childNodes[i].childNodes[j].value + "&";
		            		}
	
					if (obj.childNodes[i].childNodes[j].type == "checkbox") 
					{
						if (obj.childNodes[i].childNodes[j].checked) 
						{
							getstr += obj.childNodes[i].childNodes[j].name + "=" + obj.childNodes[i].childNodes[j].value + "&";
		               			}
						else
						{
							getstr += obj.childNodes[i].childNodes[j].name + "=&";
	        	       			}
	            			}
	
					if (obj.childNodes[i].childNodes[j].type == "radio") 
					{
	               				if (obj.childNodes[i].childNodes[j].checked) 
						{
	                  				getstr += obj.childNodes[i].childNodes[j].name + "=" + obj.childNodes[i].childNodes[j].value + "&";
		               			}
					}
	            		}
			}
		}
	}

	return getstr;

}





function ahah(url, target) {
  document.getElementById(target).innerHTML = 'Gegevens worden opgehaald ...';
	if (window.XMLHttpRequest) 
	{
		req = new XMLHttpRequest();
  	} 
	else if (window.ActiveXObject) 
	{
    		req = new ActiveXObject("Microsoft.XMLHTTP");
  	}

	if (req != undefined) 
	{
    		req.onreadystatechange = function() {ahahDone(url, target);};
		req.open("GET", url, true);
		req.send("");
	}
}  

function ahahDone(url, target) {
  if (req.readyState == 4) { // only if req is "loaded"
    if (req.status == 200) { // only if "OK"
       document.getElementById(target).innerHTML = req.responseText;
//	alert(req.responseText);
    } else {
      document.getElementById(target).innerHTML=" AHAH Error:\n"+ req.status + "\n" +req.statusText;
    }
  }
}

function AanbiedingLinksAanpassen(GetString)
{
//	var GetString = get(document.Voorkeuren);

	if (GetString)
	{
		GetString = GetString.replace('index.htm', '');

		GetString = GetString.replace('Actie=Overzicht', '');

		var Links = document.getElementsByName('AanbiedingLink');

		for (i=0; i<Links.length; i++) 
		{
			Links[i].href = Links[i].href + GetString;
		}
	}
}


var TimeOut;
var SecondesVerstreken;

function load() 
{

	GetString = get(document.Voorkeuren);

	ahah(GetString, 'DivOverzicht');

	// Nu loop om readystate op te halen
	// Maximaal 5 seconden

	var j = 0;

//	for (j=0; j<5; j++) 
//	{

	TimeOut = setTimeout('CheckReadyState("'+ GetString + '")', 200);

//	}

//	alert('ja');

	return false;
}


function CheckReadyState(GetString)
{
	if (req.readyState == 4 || SecondesVerstreken > 5)
	{
		AanbiedingLinksAanpassen(GetString);
		clearTimeout(TimeOut);
	}

	SecondesVerstreken = SecondesVerstreken + 0.2;
}

function FormSubmit(SorteerVeld, Pagina)
{
	var Stat = '/sortering/' + Pagina;

	pageTracker._trackPageview(Stat);


	if (SorteerVeld)
	{
		el1 = parent.document.getElementById('SorteerVolgorde');
		el2 = parent.document.getElementById('Sorteren');

		if (el2.value == SorteerVeld)
		{
			if (el1.value == 'ASC')
			{
				el1.value = 'DESC';
			}
			else
			{
				el1.value = 'ASC';
			}
		}
		else
		{
			el1.value = 'ASC';
		}
		el2.value = SorteerVeld;

		// alert(el1.value);

		// parent.document.Voorkeuren.submit();
	}

	load();

}

function OpenPopup(Prefix, Nummer, Aantal)
{
	for (var i = 0; i < Aantal ; i++)
	{
		el = document.getElementById(Prefix + i);
		if (el) {el.style.display='none';}
	}

	el = document.getElementById(Prefix + Nummer);
	if (el) {el.style.display='';}
}

var ActievePopup = "";
var Fade;
var PopupVerbergen = 0;

function Toon(ID, Top)
{
	clearTimeout(Fade);

	el = document.getElementById(ActievePopup);
	if (el) {el.style.display='none';}

	el = document.getElementById(ID);
	if (el) 
	{
		el.style.display='';
		if (Top) 
		{
			el.style.top=Top + 'px';
			var TopOud = Top;
		}
		else if (TopOud)
		{
			alert(TopOud);
			// Indien geen top wordt meegegeven
			el.style.top=TopOud + 'px';
		}

	}
	

	// ActievePopup = Prefix + Nummer;
	ActievePopup = ID;
}

function Verberg(ID)
{
	Fade = setTimeout("Hide('" + ID + "')", 500);
}

function Hide(ID)
{
	el = document.getElementById(ID);
	if (el) {el.style.display='none';}
}


function ToonPopup(Prefix, Nummer)
{
	clearTimeout(Fade);

	el = document.getElementById(ActievePopup);
	if (el) {el.style.display='none';}

	el = document.getElementById(Prefix + Nummer);
	if (el) {el.style.display='';}

	ActievePopup = Prefix + Nummer;
}

function VerbergPopup(Prefix, Nummer)
{

	Fade = setTimeout("HidePopup('" + Prefix + "', '" + Nummer + "')", 500);
}


function HidePopup(Prefix, Nummer)
{
	el = document.getElementById(Prefix + Nummer);
	if (el) {el.style.display='none';}
}


function Exitclick(Winkelnaam)
{
	pageTracker._trackPageview("/clicks/" +  Winkelnaam);
	window.open("/redirect.htm?Winkelnaam=" + Winkelnaam);
}