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) { //v4.0
  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 && document.getElementById) x=document.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];}
}


window.onload = function() {
    setFromCookie();
//setTimeout("setFromCookie()",200);
}

function headerMouseOver(td) {
    td.style.cursor='hand';
}

function headerMouseOut(td) {
}

function headerMousePress(id,td) {
    ioSwitch(id);
}

function setFromCookie() {
  if (document.getElementsByTagName) {
    	var nl = document.getElementsByTagName('div');
    	var l = nl.length;
    	for (var i = 0; i<l; i++){
    		var node = nl.item(i);
    		if (node.getAttribute('name') == 'menuItem') {
    			var id = node.id;
    			var val = getCookie(id);
    			if(val == "collapsed"){
    				collapse(id,true);
    			} else if (val == 'expanded'){
    				expand(id,true);
    			} else {
    				if(node.getAttribute('init') == 1){
    					expand(id,true);
    				} else {
    					collapse(id,true);
    				}
    			}	
    		}
    	}
    }
}	

function setToDefault()
{
    if (document.getElementsByTagName) {
    	var nl = document.getElementsByTagName('div');
    	var l = nl.length;
    	for (var i = 0; i<l; i++){
    		var node = nl.item(i);
    		if (node.getAttribute('name') == 'menuItem') {
    			if(node.getAttribute('init') == 1){
    				expand(node.id);
    			} else {
    				collapse(node.id);
    			}	
    		}
    	}
    }
}

img_expanded  = '/sylrobot-static/plusmin.gif';
img_collapsed = '/sylrobot-static/minplus.gif';

function expand(ioNode,cook) {
    ioWedge = "i" + ioNode.substr(1);
    ioButton = "b" + ioNode.substr(1);
    
    if (document.getElementById && document.getElementById(ioNode) != null) {
    	if(!cook)setCookie(ioNode, "expanded", getCTime(), '/', "www.kuleuven.ac.be", '');
    	document.getElementById(ioWedge).src=img_collapsed;
    	document.getElementById(ioNode).className='expanded';
    }
}

function collapse(ioNode,cook) {
    ioWedge = "i" + ioNode.substr(1);
    ioButton = "b" + ioNode.substr(1);
    
    if (document.getElementById && document.getElementById(ioNode) !=  null) {
    	if(!cook)setCookie(ioNode, "collapsed", getCTime(), '/', "www.kuleuven.ac.be", '');
    	document.getElementById(ioWedge).src=img_expanded;
    	document.getElementById(ioNode).className='collapsed';
    }
}

function ioSwitch(ioNode) {
    if (document.getElementById && document.getElementById(ioNode) !=  null) {
    	nodeState = document.getElementById(ioNode).className;
    }

    if (nodeState == 'collapsed') {
    	expand(ioNode);
    	return 1;
    }

    else {
    	collapse(ioNode);
    	return 0;
    }
}

function expandAll(divName) 
{
    if (document.getElementsByTagName) {
    	var nl = document.getElementsByTagName('div');
    	var l = nl.length;
    	for (var i=0; i<l;i++) {
    		var node = nl.item(i);
    		if (node.getAttribute('name') == divName) {
    			expand(node.id);	
    		}
    	}
    }
}

function collapseAll(divName) 
{
    if (document.getElementsByTagName) {
    	var nl = document.getElementsByTagName('div');
    	var l = nl.length;
    	for (var i=0; i<l;i++) {
    		var node = nl.item(i);
    		if (node.getAttribute('name') == divName) {
    			collapse(node.id);	
    		}
    	}
    }
}



// Cookie functions

function setCookie (name, value, expires, path, domain, secure) 
{
    var curCookie = name + "=" + escape(value) + ((expires) ? "; expires=" + expires.toGMTString() : "") + ((path) ? "; path=" + path : "") + ((domain) ? "; domain=" + domain : "") + ((secure) ? "; secure" : "");
    document.cookie = curCookie;
}

function getCookie (name) 
{
    var prefix = name + '=';
    var c = document.cookie;
    var nullstring = '';
    var cookieStartIndex = c.indexOf(prefix);
    if (cookieStartIndex == -1)
        return nullstring;
    var cookieEndIndex = c.indexOf(";", cookieStartIndex + prefix.length);
    if (cookieEndIndex == -1)
        cookieEndIndex = c.length;
    var value = unescape(c.substring(cookieStartIndex + prefix.length, cookieEndIndex));
    return value;
}


function fixDate (date) {
    var base = new Date(0);
    var skew = base.getTime();
    if (skew > 0)
        date.setTime(date.getTime() - skew);
}


function getCTime()
{
    var now = new Date();
    fixDate(now);
    now.setTime(now.getTime() + 365 * 24 * 60 * 60 * 1000);
    return now;
}

function printpdf(objectid)
{
    file = 'pdf/' + objectid + '.pdf';
    LOV = open (file,"print","location=0,scrollbars=yes,toolbar=no, dependent=yes, screenX=50,screenY=50,height=500,resizable=yes,width=800,status=no,menubar=0");
}

function uurrooster(url)
{
  LOV = open (url,"uurrooster","location=0,scrollbars=yes,toolbar=no, dependent=yes, screenX=50,screenY=50,height=500,resizable=yes,width=800,status=no,menubar=0");
}
   
function turnOn(imageName) {
    if(document.images)
    {
         document[imageName].src = eval(imageName + "on.src");
    }
}

function turnOff(imageName) {
    if (document.images)
    {
         document[imageName].src = eval(imageName + "off.src");
    }
}