function ToggleNav(){

if(!document.getElementsByTagName) return false;

var List = document.getElementsByTagName("li");

	for( var i=0 ; i < List.length ; i++){

		if( List[i].className == "toggle"){

			List[i].className="togglefold";

			List[i].setAttribute("class","togglefold");

			List[i].onclick = function(){

				

				if(this.className == "toggle"){

					this.className="togglefold";

				}

				else{

					this.className="toggle";

				}

			}

		}

	}

}
function createCalanderBg(){
	if(!document.getElementsByTagName || !document.getElementsByTagName("div")) return false;
	var divs=document.getElementsByTagName("div");
	var nr=1;
	for(var i=0 ; i < divs.length ; i++){
		if(divs[i].className=="cat_row"){
			// geef opvolgende nummers erachter voor css
			divs[i].className += " catrow"+nr;
			nr++
		}
	}
	
}
window.onload= function(){
	ToggleNav();
	createCalanderBg();
}