/*************************************************************************
This code is from Dynamic Web Coding at dyn-web.com
Copyright 2001-5 by Sharon Paine 
See Terms of Use at www.dyn-web.com/bus/terms.html
regarding conditions under which you may use this code.
This notice must be retained in the code as is!
*************************************************************************/

/* 
dw_scrollObj.js  version date: March 2005
GeckoTableBugFix algorithm revised, and now excludes Safari and Konqueror.
    
dw_scrollObj.js contains constructor and basic methods for scrolling layers.
Use with dw_hoverscroll.js and/or dw_glidescroll.js,
and when including scrollbars: dw_scroll-aux.js and dw_slidebar.js
*/

/*  Readable code available for licensed users */

dw_scrollObjs = {};
dw_scrollObj.speed = 100;
function dw_scrollObj(wnId, lyrId, cntId) {
    this.id = wnId;
    dw_scrollObjs[this.id] = this;
    this.animString = "dw_scrollObjs." + this.id;
    this.load(lyrId, cntId);
};
dw_scrollObj.loadLayer = function(wnId, id, cntId) { if (dw_scrollObjs[wnId]) dw_scrollObjs[wnId].load(id, cntId); };
dw_scrollObj.prototype.load = function(lyrId, cntId) {
if (!document.getElementById) return;
var wndo, lyr;
if (this.lyrId) {
    lyr = document.getElementById(this.lyrId);
    lyr.style.visibility = "hidden";
}
lyr = document.getElementById(lyrId); 
    wndo = document.getElementById(this.id);
    lyr.style.top = this.y = 0;
    lyr.style.left = this.x = 0;
    this.maxY = (lyr.offsetHeight - wndo.offsetHeight > 0) ? lyr.offsetHeight - wndo.offsetHeight : 0;
    this.wd = cntId ? document.getElementById(cntId).offsetWidth : lyr.offsetWidth;
    this.maxX = (this.wd - wndo.offsetWidth > 0) ? this.wd - wndo.offsetWidth : 0;
    this.lyrId = lyrId; 
lyr.style.visibility = "visible"; this.on_load(); this.ready = true; }; dw_scrollObj.prototype.on_load = function() { }; dw_scrollObj.prototype.shiftTo = function(lyr, x, y) { if (!lyr.style || !dw_scrollObj.scrdy) return; lyr.style.left = (this.x = x) + "px"; lyr.style.top = (this.y = y) + "px"; }; dw_scrollObj.GeckoTableBugFix = function() { var ua = navigator.userAgent; if (ua.indexOf("Gecko") > -1 && ua.indexOf("Firefox") == -1 && ua.indexOf("Safari") == -1 && ua.indexOf("Konqueror") == -1) { dw_scrollObj.hold = []; for (var i = 0; arguments[i]; i++) { if (dw_scrollObjs[arguments[i]]) { var wndo = document.getElementById(arguments[i]); var holderId = wndo.parentNode.id; var holder = document.getElementById(holderId); document.body.appendChild(holder.removeChild(wndo)); wndo.style.zIndex = 1000; var pos = getPageOffsets(holder); wndo.style.left = pos.x + "px"; wndo.style.top = pos.y + "px"; dw_scrollObj.hold[i] = [arguments[i], holderId]; } } window.addEventListener("resize", dw_scrollObj.rePositionGecko, true); } }; dw_scrollObj.rePositionGecko = function() { if (dw_scrollObj.hold) { for (var i = 0; dw_scrollObj.hold[i]; i++) { var wndo = document.getElementById(dw_scrollObj.hold[i][0]); var holder = document.getElementById(dw_scrollObj.hold[i][1]); var pos = getPageOffsets(holder); wndo.style.left = pos.x + "px"; wndo.style.top = pos.y + "px"; } } }; function getPageOffsets(el) { var left = el.offsetLeft; var top = el.offsetTop; if (el.offsetParent && el.offsetParent.clientLeft || el.offsetParent.clientTop) { left += el.offsetParent.clientLeft; top += el.offsetParent.clientTop; } while (el = el.offsetParent) { left += el.offsetLeft; top += el.offsetTop; } return { x: left, y: top }; };