function setCookie( name, value, expiredays )
{
	var todayDate = new Date();
	todayDate.setDate( todayDate.getDate() + expiredays );
	document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + todayDate.toGMTString() + ";"
}
function getCookie( name )
{
	var hubopCookie = name + "=";
	var i = 0;
	while ( i <= document.cookie.length )
	{
		var e = (i+hubopCookie.length);
		if ( document.cookie.substring( i, e ) == hubopCookie ) {
			if ( (popendCookie=document.cookie.indexOf( ";", e )) == -1 )
				popendCookie = document.cookie.length;
			return unescape( document.cookie.substring( e, popendCookie ) );
		}
		i = document.cookie.indexOf( " ", i ) + 1;
		if ( i == 0 )
			break;
	}
	return "";
}

function popupClose(LayerId) {
	var popuplayer = document.getElementById(LayerId);
	popuplayer.style.visibility = 'hidden';
}