var timerScroll;
var posX;
var posY;
var Ver = parseFloat(navigator.appVersion);
var frm = 10;


if(navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1) {
	if(navigator.appVersion.indexOf("MSIE 6.0b",0) != -1) {
		//IE5
		fIE5 = true;
		fIE55 = false;
		fIE6 = false;
	}else if(navigator.appVersion.indexOf("MSIE 6.0",0) != -1){
		//IE6
		fIE5 = false;
		fIE55 = false;
		fIE6 = true;
	}else if(navigator.appVersion.indexOf("MSIE 5.5",0) != -1){
		//IE5.5
		fIE5 = false;
		fIE55 = true;
		fIE6 = false;
	}else{
		//IE(other ver)
		fIE5 = false;
		fIE55 = false;
		fIE6 = true;
	}
}else{
	fIE5 = false;
	fIE55 = false;
	fIE6 = false;
}

if(navigator.appVersion.indexOf('Mac',0) != -1) {
	fMac = true;
}else{
	fMac = false;
}

if(navigator.appName.indexOf("Netscape",0) != -1) {
	fNN = true;
}else{
	fNN = false;
}

if((fMac && navigator.appVersion.indexOf('MSIE 4.',0) != -1)) {
	fMacIE4 = true;
} else {
	fMacIE4 = false;
}

if((fMac && navigator.appVersion.indexOf('MSIE 3.',0) != -1)) {
	fMacIE3 = true;
} else {
	fMacIE3 = false;
}

function getPosY() {
	if (fIE6) {
		//IE6
		return document.documentElement.scrollLeft;
	} else if (fIE5 || fIE55) {
		//IE5 or IE5.5
		//return document.documentElement.scrollLeft;
		return document.body.scrollLeft;
	}else if(window.pageXOffset){
		return window.pageXOffset;
	}else{
		return 0;
	}
}

function getPosX() {
	if (fIE6) {
		//IE6
		return document.documentElement.scrollTop;
	} else if (fIE5 || fIE55) {
		//IE5 or IE5.5
		return document.body.scrollTop;
	} else if (window.pageYOffset) {
		return window.pageYOffset;
	} else {
		return 0;
	}
}

function scroll2Top(pos2X,pos2Y,pos3X,pos3Y) {
	if (timerScroll) {
		clearTimeout(timerScroll);
	}
	if (!pos2X || (pos2X < 0)) {
		pos2X = 0;
	}
	if (!pos2Y || (pos2Y < 0)) {
		pos2Y = 0;
	}
	if (!pos3X) {
		pos3X = 0 + getPosY();
	};
	if (!pos3Y) {
		pos3Y = 0 + getPosX();
	};

	if (pos2Y > pos3Y && pos2Y > (getAnchorPosObj2('end','enddiv').y) - getInnerSize().height) pos2Y = (getAnchorPosObj2('end','enddiv').y - getInnerSize().height) + 1;
	pos3X += (pos2X - getPosY()) / frm;
	if (pos3X < 0) pos3X = 0;
	pos3Y += (pos2Y - getPosX()) / frm;
	if (pos3Y < 0) pos3Y = 0;
	posX = Math.floor(pos3X);
	posY = Math.floor(pos3Y);
	window.scrollTo(posX, posY);
	//alert(posX +","+ pos2X +","+ posY +","+ pos2Y);
	if (posX != pos2X || posY != pos2Y) {
		timerScroll = setTimeout("scroll2Top("+pos2X+","+pos2Y+","+pos3X+","+pos3Y+")",10);
	}
}

function jumpToPageTop() {
	scroll2Top(0,0);
}