function setCookie( name, value, expiredays )
{
	var todayDate = new Date(); 
	todayDate.setDate( todayDate.getDate() + expiredays ); 
	document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + todayDate.toGMTString() + ";" 
}


//	--- new version --

function popLayer(divname)
{
	cookiedata = document.cookie;
	if ( cookiedata.indexOf(divname) < 0 )
	{
		var popup = document.getElementById(divname);
		popup.style.display = "block";
	} 
	else
	{
		var popup = document.getElementById(divname);
		popup.style.display = "none";
	}
}

function popLayer_always(divname)
{
	var popup = document.getElementById(divname);
	popup.style.display = "block";
}

function closeLayer(divname)
{
	var popup = document.getElementById(divname);
	popup.style.display = "none";
	setCookie( divname, "done" , 1 );
}

//	--- old version --

function closeWin()
{
	var popup = document.getElementById("popup");
	popup.style.display = "none";
	//var hideSel = document.getElementById("hideSel");
	//hideSel.style.display = "none";
	//var checkNow = document.getElementById("checkNow");
	//if(checkNow.checked)
	//{
		setCookie( "maindiv", "done" , 1 );
	//}
}

function closeWin2()
{
	var popup = document.getElementById("popup");
	popup.style.display = "none";
}

function popWin()
{
	cookiedata = document.cookie;
	if ( cookiedata.indexOf("maindiv=done") < 0 )
	{
		var popup = document.getElementById("popup");
		popup.style.display = "block";
		
		popup.style.left = "100px";
		popup.style.top = "100px";
	} 
	else
	{
		var popup = document.getElementById("popup");
		popup.style.display = "none";
	}
}