//-----> Preload images

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];}}
}


// --------------------------------------------------------------
// ShowDialog 
// --------------------------------------------------------------

function showDialog(loc,args){
	var width = (args['width']) ? args['width'] : 430;
	var height = (args['height']) ? args['height'] : 300;
	var resizable = (args['resizable']) ? args['resizable'] : 'no';
	var scrolling = (args['scrolling']) ? args['scrolling'] : 'no';
	var windowname = (args['windowname']) ? args['windowname'] : 'wmPopup';

	var x=parseInt(screen.width/2.0)-(width/2.0);
	var y=parseInt(screen.height/2.0)-(height/2.0);
	
	if ( isMSIE() ){
		var opt = 'resizable:'+resizable+';scroll:'+scrolling+';center:yes;status:no;dialogWidth:'+ width +'px;dialogHeight:'+ height +'px;help:no;'
		window.showModalDialog(loc, window, opt);
	} else {
		var modal="yes";
		var win=window.open(loc,windowname,"top="+y+",left="+x+",scrollbars="+scrolling+",dialog="+modal+",minimizable=no,modal="+modal+",width="+width+",height="+height+",resizable="+resizable);
		eval('try {	win.resizeTo(width, height);	} catch(e) {	}	');
		win.focus();
	}
}

// --------------------------------------------------------------
// isMSIE
// --------------------------------------------------------------

function isMSIE() {
	if (navigator.appName=="Microsoft Internet Explorer") {
		return true;
	}
	return false;
}


//-----> Swap images 

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 CheckFocus() {
	self.focus();
}



//-----> Open popup

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

/* P - Functions */ 

function textfieldEnable(textveldID) {
	document.getElementById(textveldID).disabled = false;
}
	
function textfieldCheck(veldID,textveldID) {
//	alert("ring " + veldID + "ring " + textveldID);
		if (document.getElementById(veldID).checked == true) {
			document.getElementById(textveldID).disabled = false;
		} else {
			document.getElementById(textveldID).disabled = true;
		}
	}

function checkBtn(btnID) {
	if (document.getElementById) {
		var el = document.getElementById(btnID);
		el.checked = true;
	}
}

function clearField(fieldID) {
	if (document.getElementById) {
		var el = document.getElementById(fieldID);
		el.value = "";
	}
}

/* end p functions */
//-----> Switch menu

function switchMenu() {
	if (document.getElementById) {
		var el = document.getElementById("photos");
		
		if (el.style.display == "none") {
				el.style.display = "block";
		} else {
			el.style.display = "none";
		}
	}
}

// open het popup venster
function PopupLoad() {
	var popupURL = "../../choose.html";
  	var popup = window.open(popupURL,"Popup",'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width=520,height=600');
}