//javascript dat standaard voor elke pagina geladen moet worden

//if (window.attachEvent) window.attachEvent("onload", sfHover);



function getElementsByClassName(className, tag, elm){
	var testClass = new RegExp("(^|\s)" + className + "(\s|$)");
	var tag = tag || "*";
	var elm = elm || document;
	var elements = (tag == "*" && elm.all)? elm.all : elm.getElementsByTagName(tag);
	var returnElements = [];
	var current;
	var length = elements.length;
	for(var i=0; i<length; i++){
		current = elements[i];
		if(testClass.test(current.className)){
			returnElements.push(current);
		}
	}
	return returnElements;
}

function Category(target,mode) {
	if (mode=="in") getElementsByClassName("Summary","div",target)[0].style.visibility="hidden";
	else getElementsByClassName("Summary","div",target)[0].style.visibility="visible";
}

function Fix() {
		if (navigator.userAgent.indexOf("MSIE")) {
			document.body.style.backgroundPosition="0px "+((document.body.scrollHeight/2)-63)+"px";
		}
}

function showit(target){
	var divs = document.getElementsByTagName("div"); 
    for (var i=0; i<divs.length; i++) {
      if (divs[i].id.indexOf("contentitem") == 0) divs[i].style.visibility = "hidden"; 
	}
	//var n = 3;
	//for(var i=0; i<n; i++){
  		//mydiv = document.getElementById ('contentitem' + i);
		//mydiv.style.visibility = "hidden"; 
	//}
	mydiv = document.getElementById(target);
	//document.getElementById(target).style.visibility ="show";
	mydiv.style.visibility = "visible"; 

}


//Script voor het expand menu

sfHover = function() {
var sfEls = document.getElementById("nav").getElementsByTagName("LI");
for (var i=0; i<sfEls.length; i++) {
sfEls[i].onmouseover=function() {
this.className+=" ie_does_hover";
}
sfEls[i].onmouseout=function() {
this.className=this.className.replace(new RegExp(" ie_does_hover\\b"), "");
}
}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);