function popUp(URL) {
	window.open(URL, '', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=400,height=250');
}


function validateMe()
{
	//if(document.getElementById('q').value == "")
	//{
	//	return false;
	//}

	return true;
}

function doPhotoSeach(advanced)
{
	//if(document.getElementById('q').value == "")
	//{
	//	return alert('U heeft geen trefwoord of fotonummer ingevuld!');
	//}

	if(document.getElementById('cat_select')) setCat('cat_select', 'cat_filter');

	if(advanced) document.getElementById('advanced').value="yes";
	else document.getElementById('advanced').value="no";

	document.form_photo.submit();
}

function doUserSeach() {
	document.form_user.submit();
}

function clearForm(formid) {
	formElements = document.getElementById(formid).elements;
	for(i=0;i<formElements.length;i++) {
		if(!(formElements[i].name == 'type' || formElements[i].name == 'advanced')) {
			if(formElements[i].type == 'text') formElements[i].value="";
			if(formElements[i].type == 'checkbox') formElements[i].checked=false;
		}
	}
}

function changeState(parent,child) {
	if(child.value == 'all') {
            for(i=0; i<parent.elements.length; i++) {
                if(parent.elements[i].type == 'checkbox') {
                    parent.elements[i].checked = child.checked;
                }
            }
        } else {
            var allChecked = false;
            for(i=0; i<parent.elements.length; i++) {
                if(parent.elements[i].type == 'checkbox' && parent.elements[i].value == 'all') {
                    allChecked = parent.elements[i].checked;
                    break;
                }
            }
            if(allChecked == true) {
                for(i=0; i<parent.elements.length; i++) {
                    if(parent.elements[i].type == 'checkbox' && parent.elements[i].value == 'all') {
                        parent.elements[i].checked = false;
                    }
                }
                child.checked = false;
            }
        }

	var totaal = 0;

        for(i=0; i<parent.elements.length; i++) {
               if(parent.elements[i].type == 'checkbox' && parent.elements[i].checked == true) totaal++;
        }

        if(totaal == 12) document.getElementById('allcats').checked = true;
}

function findObject(Obj){

	if(document.getElementById){

		return document.getElementById(Obj);
	}
	else if(document.all){

		return document.all[Obj];
	}
	else{

		return document[Obj];
	}
}

Direction=1;
StopScroll=false;
Speed=10;

function scrollObject(Dir){
	if(Dir){

		if(Dir=='Stop'){

			StopScroll=true;
		}
		else{

			Direction=Dir=='Up'?-1:1;
			StopScroll=false;
			setTimeout('scrollObject()',50);
		}
	}

	else if(StopScroll==false){

		HolderHeight=parseInt(findObject('scrollHolder').style.height);
		ContentHeight=parseInt(findObject('scrollContent').scrollHeight);
		if(HolderHeight<=ContentHeight){
			OldPosition=parseInt(findObject('scrollContent').style.top);
			OldPosition=isNaN(OldPosition)?0:OldPosition;
			NewPosition=OldPosition+(Speed*Direction);
			NewPosition=NewPosition>0?0:NewPosition;
			NewPosition=NewPosition<(HolderHeight-ContentHeight)?(HolderHeight-ContentHeight):NewPosition;

			findObject('scrollContent').style.top=NewPosition+'px';
			setTimeout('scrollObject()',50);
		}
	}
}

function setCat(from, to) {
	f = document.getElementById(from);
	t = document.getElementById(to);

	t.name = "cat[" + f.value + "]";
	t.value = f.value;
}

function setOrder(from, to) {
	f = document.getElementById(from);
	t = document.getElementById(to);

	t.value = f.value;
}

function getEnter(e) {
	keyCode = (e.which)?e.which:e.keyCode;
	if(keyCode==13) return true;
	return false;
}

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_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_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 crossbrowser /////
	/////////////////////////////////

	function findObject(Obj){

		if(document.getElementById){

			return document.getElementById(Obj);
		}

		else if(document.all){

			return document.all[Obj];
		}

		else{

			return document[Obj];
		}
	}


	/////////////////////////////////
	//// function scrollObject //////
	/////////////////////////////////

	Direction=1;
	StopScroll=false;
	Speed=10;

	function scrollObject(Dir){

		if(Dir){

			if(Dir=='Stop'){

				StopScroll=true;
			}

			else{

				Direction=Dir=='Up'?-1:1;
				StopScroll=false;
				setTimeout('scrollObject()',50);
			}
		}

		else if(StopScroll==false){

			HolderHeight=parseInt(findObject('scrollHolder').style.height);
			ContentHeight=parseInt(findObject('scrollContent').scrollHeight);

			if(HolderHeight<=ContentHeight){
				OldPosition=parseInt(findObject('scrollContent').style.top);
				OldPosition=isNaN(OldPosition)?0:OldPosition;
				NewPosition=OldPosition+(Speed*Direction);
				NewPosition=NewPosition>0?0:NewPosition;
				NewPosition=NewPosition<(HolderHeight-ContentHeight)?(HolderHeight-ContentHeight):NewPosition;

				findObject('scrollContent').style.top=NewPosition+'px';
				setTimeout('scrollObject()',50);
			}
		}
	}