function organisatieclick() {
    setCheckedValue(document.prikbord.bericht, 'organisatie');    
}

function personeelclick() {
    setCheckedValue(document.prikbord.bericht, 'personeel');    
}

function setCheckedValue(radioObj, newValue) {
	if(!radioObj)
		return;
	var radioLength = radioObj.length;
	if(radioLength == undefined) {
		radioObj.checked = (radioObj.value == newValue.toString());
		return;
	}
	for(var i = 0; i < radioLength; i++) {
		radioObj[i].checked = false;
		if(radioObj[i].value == newValue.toString()) {
			radioObj[i].checked = true;
		}
	}
}

function menu_activ(menu_item) {
    if (document.getElementById(menu_item)) {
        document.getElementById(menu_item).style.color="#FFFFFF";
        document.getElementById(menu_item).style.background="#8AA8CA";
    }
}