/*function loadiframe(url, titel)
{
	if(titel != "")
	{
		document.getElementById('iframetitel').innerHTML = titel;
	}
	else
	{
		document.getElementById('iframetitel').innerHTML = "Klassite Explorer";
	}
	
	if (window.innerHeight)
	{
		  pos = window.pageYOffset
	}
	else if (document.documentElement && document.documentElement.scrollTop)
	{
		pos = document.documentElement.scrollTop
	}
	else if (document.body)
	{
		  pos = document.body.scrollTop
	}
		
	document.getElementById('iframe').style.left = (document.body.offsetWidth-600)/2+'px';
	document.getElementById('iframe').style.top = pos+50+'px';
	document.getElementById('iframe2').src = url;
	document.getElementById('iframe').style.display = "block";
}
function closeiframe()
{
	document.getElementById('iframe').style.display = "none";
}*/



function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}
/*function showidverplaats(id, id2)
{
   arguments[2]
   xposition = findPosX(document.getElementById(id));
   yposition = findPosY(document.getElementById(id));
   document.getElementById(id2).style.left = (xposition+(document.getElementById(id).offsetWidth/2)-60)+"px";
   document.getElementById(id2).style.top = yposition-117+"px";
   document.getElementById(id2).style.width = document.getElementById(id).offsetWidth+"px";
   if( document.getElementById(id2).style.display == "block" ){
     document.getElementById(id2).style.display = "none";
   }
   else{
      document.getElementById(id2).style.display = "block";
   }
}
var showid2="";
function showid(id, id2)
{
   if( id2 == showid2 && document.getElementById(id2).style.display == "block")
   {
	  document.getElementById(id).style.display = "none";
      document.getElementById(id2).style.display = "none";
   }
   else if( id2 == showid2 && document.getElementById(id2).style.display == "none" )
   {
	  document.getElementById(id).style.display = "block";
      document.getElementById(id2).style.display = "block";
   }
   else
   {
	  if( showid2 != "" && document.getElementById(showid2).style.display == "block" )
      {
	      document.getElementById(showid2).style.display = "none";
      }
      document.getElementById(id).style.display = "block";
	  document.getElementById(id2).style.display = "block";
   }
   showid2 = id2;
}*/
function show2id(id, id2)
{
   if( document.getElementById(id2).style.display == "block")
   {
	  document.getElementById(id).style.display = "block";
      document.getElementById(id2).style.display = "none";
   }
   else
   {
	  document.getElementById(id).style.display = "none";
      document.getElementById(id2).style.display = "block";
   }
   showid2 = id2;
}


var menu = 
{
	open:Array(),
	init:function()
	{
		menu.open["lessen"] = Array();
		menu.open["activiteiten"] = Array();
		menu.open["contact"] = Array();
		
		for(cats in menu.open)
		{
			menu.open[cats]["item_over"] = false;
			menu.open[cats]["menu_over"] = false;	
		}
	},
	out:function(obj)
	{
		if(obj.id.substr(0,2) == "m_")
		{
			name = obj.id.substr(2);
			menu.open[obj.id.substr(2)]["menu_over"] = false;
		}
		else
		{
			name = obj.id;
			menu.open[obj.id]["item_over"] = false;
		}
		
		window.setTimeout("menu.hide('"+name+"')", 500);
		
		/*if( menu.open[name]["item_over"] == false && menu.open[name]["menu_over"] == false)
		{
			menu.hide(name);	
		}*/
	},
	over:function(obj)	
	{
		if(obj.id.substr(0,2) == "m_")
		{
			menu.open[obj.id.substr(2)]["menu_over"] = true;
		}
		else
		{
			for(names in menu.open)
			{
				menu.close(names);
			}
			
			menu.show(obj,document.getElementById("m_"+obj.id));
			menu.open[obj.id]["item_over"] = true;
		}
	},
	show:function(src,obj)
	{
		xposition = findPosX(src);
		yposition = findPosY(src);
		obj.style.left = (xposition+(src.offsetWidth/2)-60)+"px";
		obj.style.top = yposition-117+"px";
		obj.style.display = "block";
	},
	hide:function(name)
	{
		//alert(name);
		if( menu.open[name]["item_over"] == false && menu.open[name]["menu_over"] == false)
		{
			menu.close(name);	
		}
	},
	close:function(name)
	{
		document.getElementById("m_"+name).style.display = "none";	
	}
}
menu.init();