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 isValidEmail(str) {
    return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
} 

function showMenu(id)
{
	hideAll();
	if($(id+'_uitklap'))
		$(id+'_uitklap').style.display = 'block';
	$('boven_'+id).className = 'menu_boven active';
	
}

function hideAll()
{
	menu_items = document.getElementsByClassName('uitklap');
	
	for(var i = 0; i < menu_items.length; i++)
		menu_items[i].style.display = 'none';
		
	menu_items2 = document.getElementsByClassName('menu_boven');

	for(var i = 0; i < menu_items2.length; i++)
	{
		menu_items2[i].className = 'menu_boven';
		
	}
}

function hideMenu(id)
{
	if(id == 'all')
	{
		hideAll();
	}
	else
		$(id+'_uitklap').style.display = 'none';
}

function selectAll(element)
{
    element.focus();
    element.select();
}