var persistmenu="yes" 
			var persisttype="sitewide" 

			if (document.getElementById){ 
			document.write('<style type="text/css">\n')
			document.write('.submenu{display: none;}\n')
			document.write('</style>\n')
			}

			function SwitchMenu(obj,url){
				if(document.getElementById){
				var el = document.getElementById(obj);
				var ar = document.getElementById("sidebar").getElementsByTagName("span"); 
					if(el.style.display != "block"){
						for (var i=0; i<ar.length; i++){
							if (ar[i].className=="submenu") 
							{
							ar[i].style.display = "none";
							}
						}
						el.style.display = "block";
					}else{
						el.style.display = "none";
					}
				}

				location.href=url;
			}

			function get_cookie(Name) { 
			var search = Name + "="
			var returnvalue = "";
			if (document.cookie.length > 0) {
			offset = document.cookie.indexOf(search)
			if (offset != -1) { 
			offset += search.length
			end = document.cookie.indexOf(";", offset);
			if (end == -1) end = document.cookie.length;
			returnvalue=unescape(document.cookie.substring(offset, end))
			}
			}
			return returnvalue;
			}

			function onloadfunction(){
			 
			if (persistmenu=="yes"){
			var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
			var cookievalue=get_cookie(cookiename)

			if (document.getElementById(cookievalue) != null && cookievalue!="")
			    {
						document.getElementById(cookievalue).style.display="block"
				}

			}
			}

			function savemenustate(){



			var inc=1, blockid=""
			while (document.getElementById("sub"+inc)){
			if (document.getElementById("sub"+inc).style.display=="block"){
			blockid="sub"+inc
			break
			}
			inc++
			}
			var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
			var cookievalue=(persisttype=="sitewide")? blockid+";path=/" : blockid
			document.cookie=cookiename+"="+cookievalue
			}

			if (window.addEventListener)
			window.addEventListener("load", onloadfunction, false)
			else if (window.attachEvent)
			window.attachEvent("onload", onloadfunction)
			else if (document.getElementById)
			window.onload=onloadfunction

			if (persistmenu=="yes" && document.getElementById)
			window.onunload=savemenustate		
			

    	   function checkField(fieldObj)
		   {
        		if (fieldObj.value == "") {
            			alert ("De met * gemarkeerde velden zijn verplicht");
            			fieldObj.focus();
            			return false;
        			} else {
            			return true;
        			}

    		   }

    	   function checkForm (required) 
		   {
		   var requiredArray = required.split(','); 
		   var formObj = document.forms.info;

    		     for (i = 0;i < (requiredArray.length); i++)
    		     {
		        if (!checkField(formObj.elements[requiredArray[i]])) return false;
		     }

        	     return true;
		   }

			function submitForm(required)
			{
	
			    if (checkForm(required)) {
	 	  		return true;
			    } else {
	 			return false;
			    }
	
			}