function SetMenu(key){
 document.getElementById(''+key+'').src='images/vds.'+key+'-a.gif';	
}

function ShowMap(){
 document.getElementById('map').className='show';	
 document.getElementById('maplayer').className='show';	
}

function HideMap(){
 document.getElementById('map').className='hide';	
 document.getElementById('maplayer').className='hide';	
}

function initRequest() {
    var request;
	if (window.ActiveXObject) {
		request = new ActiveXObject("Microsoft.XMLHTTP");
	} else {
		request = new XMLHttpRequest();
	}
    return request;
}

function GetRequest(url,container) {
		
	var Request = initRequest();
	var rand = Math.random();
	
    Request.open('GET', ''+url+'&rand='+rand+'');
	Request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    Request.onreadystatechange = function() {
		if (Request.readyState == 4 && Request.status == 200) {
			document.getElementById(""+container+"").innerHTML = Request.responseText;
	    }
	}
    Request.send(null);
}