dom = (document.getElementById)? true : false;

function getElement( elemId )
{
    if (dom)
        return document.getElementById(elemId);
    else
       
    return null;
}


function showmenu(id){
	var div = 'mid1';
	var	query = '&job=mkmenu&pages_id=' + id;
	MakeQmenu(query,div);
}

function showtopmenu(id){
	var div = 'topmenu';
	var	query = '&job=mktopmenu&pages_id=' + id;
	MakeQmenu(query,div);
}

function showpath(id){
	var div = 'path';
	var	query = '&job=mkpath&pages_id=' + id;
	MakeQmenu(query,div);
}

function MakeQmenu(query,div){
	var req = new JsHttpRequest();
	req.onreadystatechange = function(){
        if (req.readyState == 4){
            if (req.responseJS) {
            	getElement(div).innerHTML = req.responseJS.q;
            }
			getElement(div).innerHTML = req.responseText;
        }
	}
	req.caching = false;
	req.open('POST', '/includes/ajax_menu.php', true);
	req.send({ q: query, test:303 });
}