var xmlHttp

var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose; 

function GetDate(str)
{ 
xmlHttp=GetXmlHttpObject()
 
var url="Calendar.php"
url=url+str
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=DateChanged
xmlHttp.open("GET",url,true)
xmlHttp.send(null)

}

function DateChanged(str) 
{ 
	
 if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 	data = xmlHttp.responseText.split ( "[BREAK]" )
		var i = 0;
		for (i = 0; i < 3; i++)
		{
			document.getElementById(data[i*2 +2]).innerHTML=data[i*2 +1];
		}	
 	 } 
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
 {
 // Firefox, Opera 8.0+, Safari
 xmlHttp=new XMLHttpRequest();
 }
catch (e)
 {
 //Internet Explorer
 try
  {
  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  }
 catch (e)
  {
  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return xmlHttp;
}