var stmnGAP1 = 130;
var stmnGAP2 = 0;
var stmnBASE = 25;
var stmnActivateSpeed = 200;
var stmnScrollSpeed = 10;
var stmnTimer;

function ReadCookie(name)
{
		var label = name + "=";
		var labelLen = label.length;
		var cLen = document.cookie.length;
		var i = 0;

		while (i < cLen) {
				var j = i + labelLen;

				if (document.cookie.substring(i, j) == label) {
						var cEnd = document.cookie.indexOf(";", j);
						if (cEnd == -1) cEnd = document.cookie.length;

						return unescape(document.cookie.substring(j, cEnd));
				}

				i++;
		}

		return "";
}


function SaveCookie(name, value, expire)
{
		var eDate = new Date();
		eDate.setDate(eDate.getDate() + expire);
		document.cookie = name + "=" + value + "; expires=" +  eDate.toGMTString()+ "; path=/";
}


function RefreshStaticMenu()
{
		var stmnStartPoint, stmnEndPoint, stmnRefreshTimer;

		stmnStartPoint = parseInt(STATICMENU.style.top, 10);
		stmnEndPoint = document.body.scrollTop + stmnGAP2;
		if (stmnEndPoint < stmnGAP1) stmnEndPoint = stmnGAP1;

		stmnRefreshTimer = stmnActivateSpeed;

		if ( stmnStartPoint != stmnEndPoint ) {
				stmnScrollAmount = Math.ceil( Math.abs( stmnEndPoint - stmnStartPoint ) / 15 );
				STATICMENU.style.top = parseInt(STATICMENU.style.top, 10) + ( ( stmnEndPoint<stmnStartPoint ) ? -stmnScrollAmount : stmnScrollAmount );
				stmnRefreshTimer = stmnScrollSpeed;
		}

		stmnTimer = setTimeout ("RefreshStaticMenu();", stmnRefreshTimer);
}


function ToggleAnimate()
{
		if (ANIMATE.checked) {
				RefreshStaticMenu();
				SaveCookie("ANIMATE", "true", 300);
		}
		else {
				clearTimeout(stmnTimer);
				STATICMENU.style.top = stmnGAP1;
				SaveCookie("ANIMATE", "false", 300);
		}
}


function InitializeStaticMenu()
{
		if (ReadCookie("ANIMATE") == "false") {
				ANIMATE.checked = false;
				STATICMENU.style.top = document.body.scrollTop + stmnGAP1;
		}
		else {
				ANIMATE.checked = true;
				STATICMENU.style.top = document.body.scrollTop + stmnBASE;
				RefreshStaticMenu();
		}
}