$(document).ready(function() {

	var introHeight = $("span.intro").height();
	var vervolgHeight = $("span.vervolg").height();
	$("span.vervolg").hide();

	$("a#columnLeesMeer").click(function() {
		$("div.column").animate({ height: introHeight + vervolgHeight + 25 + "px" }, 500);
		$("span.vervolg").show();
		$("a#columnLeesMeer").attr("style", "visibility:hidden;");
		return false;
	});
	
	$("a#columnVerbergen").click(function() {
		var introHeight = $("span.intro").height();
		var vervolgHeight = $("span.vervolg").height();
		$("div.column").animate({ height: introHeight + "px" }, 500);
		$("span.vervolg").hide();
		$("a#columnLeesMeer").attr("style", "visibility:visible;");
		return false;
	});

});

function goto(url){
document.location.href = url;
}


function HideAllLayers() {
	MM_showHideLayers('submenu_nieuws','','hide'); 
	MM_showHideLayers('submenu_senioren','','hide'); 
	MM_showHideLayers('submenu_jeugd','','hide'); 
	MM_showHideLayers('submenu_kader','','hide'); 
	MM_showHideLayers('submenu_clubinfo','','hide'); 
	MM_showHideLayers('submenu_contact','','hide'); 	
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}
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 containsDOM (container, containee) {
	var isParent = false;
	do {
		if ((isParent = container == containee))
		break;
		containee = containee.parentNode;
	}
	while (containee != null);
	return isParent;
}

function checkMouseEnter (element, evt) {
	if (element.contains && evt.fromElement) {
		return !element.contains(evt.fromElement);
	}
	else if (evt.relatedTarget) {
		return !containsDOM(element, evt.relatedTarget);
	}
}

function checkMouseLeave (element, evt) {
	if (element.contains && evt.toElement) {
		return !element.contains(evt.toElement);
	}
	else if (evt.relatedTarget) {
		return !containsDOM(element, evt.relatedTarget);
	}
}