function showHide(linkid,id,laatzien,verberg){
	if (document.getElementById(id).style.display=='none'){
		document.getElementById(linkid).childNodes[0].nodeValue = verberg;		
		document.getElementById(id).style.display = 'block';		
	} else {
		document.getElementById(linkid).childNodes[0].nodeValue = laatzien;				
		document.getElementById(id).style.display = 'none';
	}
}
function move(object_id,cat_id,merk_id,type_id,activity_id,type){
	showHide('sh_move','move','Verplaats','Verberg');
	getMover(object_id,cat_id,merk_id,type_id,activity_id,type);
}
function confirmFriend(naam,url){
	var check = confirm("Wilt u fan worden van " + naam + "?");
	if (check) {
		document.location.href=url;
	}
	return true;
}
function isInt(x) {
	var y=parseInt(x);
	if (isNaN(y)) return false;
	return x==y && x.toString()==y.toString();
} 
function confirmDel(naam,url){
	var check = confirm("Wilt u " + naam + " verwijderen?");
	if (check) {
		document.location.href=url;
	}
	return true;
}
function listen(evnt, elem, func) {
    if (elem.addEventListener)  // W3C DOM
        elem.addEventListener(evnt,func,false);
    else if (elem.attachEvent) { // IE DOM
         var r = elem.attachEvent("on"+evnt, func);
    return r;
    }
    
}