//*********************************************************************************************************************
// スタティックメニュー
 var stmnGAP1 = 0;
 var stmnGAP2 = 0;
 var stmnBASE = 25;
 var stmnActivateSpeed = 200;
 var stmnScrollSpeed = 10;
 var stmnTimer;
 
 function scrollTop () {
　　if (window.pageYOffset) {
　　　return window.pageYOffset;
　　}
　　if (document.compatMode == "CSS1Compat") {
　　　return document.body.parentNode.scrollTop;
　　}
　　if (document.body.scrollTop) {
　　　return document.body.scrollTop;
　　}
　　return 0;
　}

 
 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 = 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();
		}
 }