var Mac = navigator.appVersion.indexOf('Mac',0) != -1;
var Win = navigator.appVersion.indexOf('Win',0) != -1;
var IE  = navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1;
var NN  = navigator.appName.indexOf("Netscape",0) != -1;
var Moz = navigator.userAgent.indexOf("Gecko") != -1;
//var WinIE55 = ((Win && navigator.appVersion.indexOf('MSIE 5.5',0) != -1));
//var MacIE5 = ((Mac && navigator.appVersion.indexOf('MSIE 5.',0) != -1));
//var MacIE4 = ((Mac && navigator.appVersion.indexOf('MSIE 4.',0) != -1));

function getScrollLeft() {
if ((navigator.appName.indexOf("Microsoft Internet Explorer", 0) != -1)) {
	return document.body.scrollLeft;
	} else if (window.pageXOffset) {
		  return window.pageXOffset;
	} else {
		return 0;
	}
}

function getScrollTop() {
if ((navigator.appName.indexOf("Microsoft Internet Explorer", 0) != -1)) {
	return document.body.scrollTop;
	} else if (window.pageYOffset) {
		return window.pageYOffset;
	} else {
 		return 0;
 	}
}

var pageScrollTimer;
function pageScroll(toX,toY,frms,cuX,cuY) {
	if (pageScrollTimer) clearTimeout(pageScrollTimer);
 	if (!toX || toX < 0) toX = 0;
 	if (!toY || toY < 0) toY = 0;
 	if (!cuX) cuX = 0 + getScrollLeft();
 	if (!cuY) cuY = 0 + getScrollTop();
 	if (!frms) frms = 6;

 if (toY > cuY && toY > (getAnchorPosObj('end').y) - getInnerSize().height) toY = (getAnchorPosObj('end').y - getInnerSize().height) + 1;
	cuX += (toX - getScrollLeft()) / frms; if (cuX < 0) cuX = 0;
	cuY += (toY - getScrollTop()) / frms;  if (cuY < 0) cuY = 0;
	var posX = Math.floor(cuX);
	var posY = Math.floor(cuY);
	window.scrollTo(posX, posY);

 if (posX != toX || posY != toY) {
	pageScrollTimer = setTimeout("pageScroll("+toX+","+toY+","+frms+","+cuX+","+cuY+")",8);
	}
}

function jumpToPageTop() {
	pageScroll(0,0,15);
}