var stGAP1 = 275;// 离?端的跑离
var stGAP2 = 10;//滑?+100需要0.10秒需要慢就加		
var stBASE = stGAP1 + 100;//每拉一下???就滑100
var stActivateSpeed = 1;
var stScrollSpeed = 1;
var stTimer;
var afterTop = 0;


STATICMENU.style.width = 176;//?度要与DIV上的?度一?
STATICMENU.style.height = 0;//高度要与DIV上的高度一?不能超?340否?就出??
STATICMENU.style.top = stBASE;

function RefreshStaticMenu() {
	var StartPoint;
	var EndPoint;
	var RefreshTimer;

	StartPoint		= parseInt(STATICMENU.style.top, 10);	
	EndPoint		= document.body.scrollTop + stGAP2;
	
	RefreshTimer	= stActivateSpeed;

	if (EndPoint < stGAP1) EndPoint = stGAP1;
	if (StartPoint != EndPoint ) {
		stScrollAmount = Math.ceil(Math.abs(EndPoint - StartPoint) / 15 );
		STATICMENU.style.top = parseInt(STATICMENU.style.top, 10) + ((EndPoint<StartPoint) ? -stScrollAmount : stScrollAmount );

	    RefreshTimer = stScrollSpeed;
	}	
document.body.style.overflow = "auto"
    stTimer = setTimeout("RefreshStaticMenu();", RefreshTimer);
}
RefreshStaticMenu();