// JavaScript Document

//showmenu function. Show me your hidden submenu's!
function showmenu(elmnt)
{
 var veld=document.getElementById(elmnt);
 veld.style.visibility='visible';
 veld.style.display='block';
}

/*	
	getElementsByClassName function:
	Written by Jonathan Snook, http://www.snook.ca/jonathan
	Add-ons by Robert Nyman, http://www.robertnyman.com
*/

function getElementsByClassName(oElm, strTagName, strClassName){
	var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
	var arrReturnElements = new Array();
	strClassName = strClassName.replace(/-/g, "\-");
	var oRegExp = new RegExp("(^|\s)" + strClassName + "(\s|$)");
	var oElement;
	for(var i=0; i<arrElements.length; i++){
		oElement = arrElements[i];
		if(oRegExp.test(oElement.className)){
			arrReturnElements.push(oElement);
		}
	}
	return (arrReturnElements)
}

// hidemenu function; to hide those pesky shown menu's again... supported by the excellent getElementsByClassName function 
function hidemenu() {
	var submenus = new Array();
	submenus = getElementsByClassName(document, "div", "dropout");
	for(var i=0; i<submenus.length; i++) {
		submenus[i].style.visibility = "hidden"; 
		submenus[i].style.display = "none";
	} 
}