function $(id) {
	return document.getElementById(id);
}

//=============================================================================
function ShowMenu(o, i) {
	var d = $('menu' + i);
	if (d.style.display != 'block') {
		d.style.display = 'block';
		o.parentNode.style.background = 'none';
	} else {
		d.style.display = 'none';
		o.parentNode.style.background = 'url("i/mdot.gif") no-repeat center left';
	}
	return false;
}

//=============================================================================
function showObj(id) {
	var d = $(id);
	if (d.style.display != 'block') {
		d.style.display = 'block';		
	} else {
		d.style.display = 'none';
	}
	return false;
}

//=============================================================================
function HttpRequest(url, post_data, target) 
{	
	var req = null;
	var obj = document.getElementById(target);	
    if (window.ActiveXObject) {	req = new ActiveXObject("Microsoft.XMLHTTP");	}
	else if (window.XMLHttpRequest) { req = new XMLHttpRequest(); } 
	if (req) {		
		req.onreadystatechange = function () {			
			if (req.readyState == 4 && req.status == 200) { 
				result = req.responseText;
				if (obj) { obj.innerHTML = result; }				
			}
		}
		if (post_data) {
			req.open("POST", url, true);
			req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
			req.send(post_data);
		}
		else {
			req.open("GET", url, true);
			req.send("");
		}		
	}
}

//=============================================================================

function sendForm(o) {
	o.action = '?send';
	return true;
}

function openMenu(id) {
	return showObj('m' + id);
}