/*************************************************************************
  This code is from Dynamic Web Coding at dyn-web.com
*************************************************************************/

dw_scrollObjs = {};
dw_scrollObj.speed = 50;
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};
}
dw_scrollObj.scrdy = true;