// JavaScript Document

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 hideAll() {
	var myItems = document.getElementsByTagName('div');
	for (var i=0;i<myItems.length;i++) {
		//if (myItems[i].className == 'info1') myItems[i].style.display = 'none';
		if (myItems[i].className == 'info2') myItems[i].style.display = 'none';
	}
}

function swapView(myNode,myDir) {
	var targetNode;
	if (myDir==1) {
		targetNode = myNode.parentNode.nextSibling;
		while(targetNode.nodeType!=1) {
			targetNode = targetNode.nextSibling;
		}
	} else {
		targetNode = myNode.parentNode.previousSibling;
		while(targetNode.nodeType!=1) {
			targetNode = targetNode.previousSibling;
		}
	}
	if (myNode.parentNode) myNode.parentNode.style.display = 'none';
	if (targetNode) targetNode.style.display = 'block';
}

// swappen van trefwoorden
function toggleTrefwoord(id) {
	var swap = new Array();
	swap['trefwoorden_hidden'] = 'trefwoorden';
	swap['trefwoorden'] = 'trefwoorden_hidden';
	var swap_image = new Array();
	swap_image['trefwoorden_hidden'] = 'img/ico_plus_sm.gif';
	swap_image['trefwoorden'] = 'img/ico_min_sm.gif';
	document.getElementById('trefwoord_'+id).className = swap[document.getElementById('trefwoord_'+id).className];
	var elem = document.getElementById('closed_'+id);
	if (elem) {
		elem.src = swap_image[document.getElementById('trefwoord_'+id).className];
	}
}

function init() {
	MM_preloadImages('img/ico_plus_sm.gif','img/ico_min_sm.gif')
}

window.onload = init;