function sluitVenster()
{	close();
}

function getById(id,o)
{	if(document.getElementById) return document.getElementById(id);
	if(document.all) return document.all[id]
	if(o==null) o=window.document;

	if(o.layers[id])
	{	return o.layers[id]
	}

	if(o.images[id])
	{	return o.images[id]
	}

	for(var i=0; i<o.layers.length; i++)
	{	var oo=getById(id,o.layers[i].document); 
		if(oo!=null) return oo;
	}
	return null;
}

visibleSubMenuId = null;
timer = null;

function startTimeout(){
	timer = setTimeout('hideSubMenu()', 200);
}

function stopTimeout(){
	window.clearTimeout(timer);
	timer = null
}

function hideSubMenu(){
	id = visibleSubMenuId;
	var o = getById(id);
	if(o==null) return;
	if(!document.layers) o=o.style;
	
	o.display = 'none';
	o.zIndex = -2;
	visibleSubMenuId = null;
}

function showSubMenu(id){
	var o = getById(id);
	if(0==null) return;
	if(!document.layers) o=o.style;
	
	if(visibleSubMenuId != null){
		window.clearTimeout(timer);
		timer = null;
		hideSubMenu(visibleSubMenuId);
	}
	
	o.display = '';
	o.zIndex = 2;
	visibleSubMenuId = id;
}

function menuOver(id)
{	id.style.background='#CCCCCC';
	id.style.border='1px solid #808080';
}

function menuOut(id)
{	id.style.background='#f1f1f1'; 
	id.style.border='1px solid #f1f1f1';
	window.status='ExplainIT'; return true;
}

function menuDown(id)
{	id.style.background='#f1f1f1'; id.style.border='1px solid #f1f1f1';
}

function tLocaties(relativePath)
{	w=540;
	h=450;
	l = (screen.availWidth-10 - w) / 2;
	t = (screen.availHeight-20 - h) / 2;

	features = "width="+w+",height="+h+",left="+l+",top="+t;
	features += ",screenX="+l+",screenY="+t;
	features += ",scrollbars=no,resizable=no,location=no";
	features += ",menubar=no,toolbar=no,status=no";
	features += ",directories=no";

	window.open(relativePath + "locaties/locaties.html","",features);
}

function tRooster(relativePath)
{	w=850;
	h=575;
	l = (screen.availWidth-10 - w) / 2;
	t = (screen.availHeight-20 - h) / 2;

	features = "width="+w+",height="+h+",left="+l+",top="+t;
	features += ",screenX="+l+",screenY="+t;
	features += ",scrollbars=yes,resizable=yes,location=no";
	features += ",menubar=yes,toolbar=no,status=no";
	features += ",directories=no";

	window.open(relativePath + "trainingsrooster.html","",features);
}

function PrintThisPage() 
{ 
   var sOption="toolbar=yes,location=no,directories=yes,menubar=yes,"; 
       sOption+="scrollbars=yes,width=750,height=600,left=100,top=25"; 

   var sWinHTML = document.getElementById('printfriendly').innerHTML; 
   
   var winprint=window.open("","",sOption); 
       winprint.document.open(); 
       winprint.document.write('<html><head><title>ExplainIT Training & Consultancy. Communcatie, Management, Sales en MS Office-trainingen.</title><link href="css/explainit_printfriendly.css" rel="Stylesheet"></head><body><img src="images/explainitlogo_small.gif">'); 
       winprint.document.write(sWinHTML);          
       winprint.document.write('</body></html>'); 
       winprint.document.close(); 
       winprint.focus(); 
}

function PrintTrainingSheet() 
{ 
   var sOption="toolbar=yes,location=no,directories=yes,menubar=yes,"; 
       sOption+="scrollbars=yes,width=750,height=600,left=100,top=25"; 

   var sWinHTML = document.getElementById('printfriendly').innerHTML; 
   
   var winprint=window.open("","",sOption); 
       winprint.document.open(); 
       winprint.document.write('<html><head><title>ExplainIT Training & Consultancy. Communcatie, Management, Sales en MS Office-trainingen.</title><link href="css/trainingsheet_printfriendly.css" rel="Stylesheet"></head><body><img src="images/explainitlogo_small.gif" alt="">'); 
       winprint.document.write(sWinHTML);          
       winprint.document.write('</body></html>'); 
       winprint.document.close(); 
       winprint.focus(); 
}

