var def_width		= 500;
var def_height	= 500;

function open_sub( url ) {
	scr_w = screen.width;
	scr_h = screen.height;
	pos_w = (scr_w / 2) - (def_width / 2);
	pos_h = (scr_h / 2) - (def_height / 2);
	var wkUrl	= encodeURI( url );
	newWin = window.open(wkUrl,'subwin','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width='+def_width+',height='+def_height+',left='+pos_w+',top='+pos_h+',titlebar=no');
}

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','enddiv').y) - getInnerSize().height) toY = (getAnchorPosObj('end','enddiv').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+")",16);
 }
}

function PageUp() { 

  pageScroll(0,0,3);
}