/*    dw_scroll_dx.js version date: March 2005    contains all scrolling layers files in one*//*************************************************************************  This code is from Dynamic Web Coding at www.dyn-web.com  Copyright 2001-4 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 */dw_scrollObjs = {};dw_scrollObj.speed = 100; // scrolling speeddw_scrollObj.slideDur = 500; // duration of glidedw_scrollObj.prototype.bSizeDragBar = true; // size dragBar according to layer size?dw_scrollObj.prototype.bHideDragBar = true; // hide dragbar when it's not neededfunction initScrollLayer(){	document.write ('<style>#scroll_layer {position: absolute;}</style>');	var args = initScrollLayer.arguments;	for (i = 0; i < args.length; i++)	{		// set the width and height and make it so we can have scripts disabled		scWindow = document.getElementById(args[i][0]);		scWindow.style.position = 'relative';		scWindow.style.height = args[i][2] + 'px';		scArea = document.getElementById(args[i][0] + '_area');		scArea.style.position = 'absolute';		scArea.style.overflow = 'hidden';		scArea.style.clip = 'rect(0px, 100%, ' + args[i][2] + 'px, 0px)';		scArea.style.height = args[i][2] + 'px';		scArea.style.width = args[i][1] - args[i][3] + 'px';		scBar = document.getElementById(args[i][0] + '_bar');		scBar.style.display = 'block';		scBar.style.width = args[i][3] + 'px';		scBar.style.height = args[i][2] + 'px';		scBar.style.left = args[i][1] - args[i][3] + 'px';		document.getElementById(args[i][0] + '_track').style.top = args[i][4] + 'px';		document.getElementById(args[i][0] + '_track').style.height = args[i][2] - (args[i][4] * 2) + 'px';		var scObject = new dw_scrollObj(args[i][0] + '_area', args[i][0] + '_layer');		scObject.setUpScrollbar(args[i][0] + '_drag_bar', args[i][0] + '_track', 'v', 0, 0);		dw_scrollObj.GeckoTableBugFix(args[i][0] + '_area');	}}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) 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_hoverscroll.js  version date: June 2004 */dw_scrollObj.stopScroll = function(wnId){	if (dw_scrollObjs[wnId]) dw_scrollObjs[wnId].endScroll();};// increase speed onmousedown of scroll linksdw_scrollObj.doubleSpeed = function(wnId){	if (dw_scrollObjs[wnId]) dw_scrollObjs[wnId].speed *= 2;};dw_scrollObj.resetSpeed = function(wnId){	if (dw_scrollObjs[wnId]) dw_scrollObjs[wnId].speed /= 2;};// algorithms for time-based scrolling and scrolling onmouseover at any angle adapted from youngpup.netdw_scrollObj.initScroll = function(wnId, deg, sp){	if (dw_scrollObjs[wnId])	{		var cosine, sine;		if (typeof deg == "string")		{			switch (deg)			{				case "up": deg = 90; break;				case "down": deg = 270; break;				case "left": deg = 180; break;				case "right": deg = 0; break;				default: alert("Direction of scroll in mouseover scroll links should be 'up', 'down', 'left', 'right' or number: 0 to 360.");			}		}		deg = deg % 360;		if (deg % 90 == 0)		{			cosine = (deg == 0)? -1: (deg == 180)? 1: 0;			sine = (deg == 90)? 1: (deg == 270)? -1: 0;		}		else		{			var angle = deg * Math.PI/180;			cosine = -Math.cos(angle); sine = Math.sin(angle);		}		dw_scrollObjs[wnId].fx = cosine / (Math.abs(cosine) + Math.abs(sine));		dw_scrollObjs[wnId].fy = sine / (Math.abs(cosine) + Math.abs(sine));		dw_scrollObjs[wnId].endX = (deg == 90 || deg == 270) ? dw_scrollObjs[wnId].x : (deg < 90 || deg > 270) ? -dw_scrollObjs[wnId].maxX : 0;		dw_scrollObjs[wnId].endY = (deg == 0 || deg == 180) ? dw_scrollObjs[wnId].y : (deg < 180) ? 0 : -dw_scrollObjs[wnId].maxY;		dw_scrollObjs[wnId].startScroll(sp);	}};// speed (optional) to override default speed (set in dw_scrollObj.speed)dw_scrollObj.prototype.startScroll = function(speed){	if (!this.ready) return;	if (this.timerId) clearInterval(this.timerId);	this.speed = speed || dw_scrollObj.speed;	this.lyr = document.getElementById(this.lyrId);	this.lastTime = (new Date()).getTime();	this.on_scroll_start();	this.timerId = setInterval(this.animString + ".scroll()", 10);};dw_scrollObj.prototype.scroll = function(){	var now = (new Date()).getTime();	var d = (now - this.lastTime) / 1000 * this.speed;	if (d > 0)	{		var x = this.x + this.fx * d;		var y = this.y + this.fy * d;		if (this.fx == 0 || this.fy == 0)		{			// for horizontal or vertical scrolling			if ((this.fx == -1 && x > -this.maxX) || (this.fx == 1 && x < 0) ||	(this.fy == -1 && y > -this.maxY) || (this.fy == 1 && y < 0))			{				this.lastTime = now;				this.shiftTo(this.lyr, x, y);				this.on_scroll(x, y);			}			else			{				clearInterval(this.timerId);				this.timerId = 0;				this.shiftTo(this.lyr, this.endX, this.endY);				this.on_scroll_end(this.endX, this.endY);			}		}		else		{			// for scrolling at an angle (stop when reach end on one axis)			if ((this.fx < 0 && x >= -this.maxX && this.fy < 0 && y >= -this.maxY) || (this.fx > 0 && x <= 0 && this.fy > 0 && y <= 0) || (this.fx < 0 && x >= -this.maxX && this.fy > 0 && y <= 0) || ( this.fx > 0 && x <= 0 && this.fy < 0 && y >= -this.maxY))			{				this.lastTime = now;				this.shiftTo(this.lyr, x, y);				this.on_scroll(x, y);			}			else			{				clearInterval(this.timerId);				this.timerId = 0;				this.on_scroll_end(this.x, this.y);			}		}	}};dw_scrollObj.prototype.endScroll = function(){	if (!this.ready) return;	if (this.timerId) clearInterval(this.timerId);	this.timerId = 0;	this.lyr = null;};dw_scrollObj.prototype.on_scroll = function(){};dw_scrollObj.prototype.on_scroll_start = function(){};dw_scrollObj.prototype.on_scroll_end = function(){};/* dw_glidescroll.js  version date: June 2004 */// intermediary functions needed to prevent errors before page loadeddw_scrollObj.scrollBy = function(wnId, x, y, dur){	if (dw_scrollObjs[wnId]) dw_scrollObjs[wnId].glideBy(x, y, dur);};dw_scrollObj.scrollTo = function(wnId, x, y, dur){	if (dw_scrollObjs[wnId]) dw_scrollObjs[wnId].glideTo(x, y, dur);};// Resources for time-based slide algorithm://  DHTML chaser tutorial at DHTML Lab - www.webreference.com/dhtml//  and cbe_slide.js from	www.cross-browser.com by Mike Fosterdw_scrollObj.prototype.glideBy = function(dx, dy, dur){	if (!document.getElementById || this.sliding) return;	this.slideDur = dur || dw_scrollObj.slideDur;	this.destX = this.destY = this.distX = this.distY = 0;	this.lyr = document.getElementById(this.lyrId);	this.startX = this.x;	this.startY = this.y;	if (dy < 0) this.distY = (this.startY + dy >= -this.maxY) ? dy : -(this.startY + this.maxY);	else if (dy > 0) this.distY = (this.startY + dy <= 0) ? dy : -this.startY;	if (dx < 0) this.distX = (this.startX + dx >= -this.maxX) ? dx : -(this.startX + this.maxX);	else if (dx > 0) this.distX = (this.startX + dx <= 0) ? dx : -this.startX;	this.destX = this.startX + this.distX;	this.destY = this.startY + this.distY;	this.slideTo(this.destX, this.destY);};dw_scrollObj.prototype.glideTo = function(destX, destY, dur){	if ( !document.getElementById || this.sliding) return;	this.slideDur = dur || dw_scrollObj.slideDur;	this.lyr = document.getElementById(this.lyrId);	this.startX = this.x; this.startY = this.y;	this.destX = -Math.max(Math.min(destX, this.maxX), 0);	this.destY = -Math.max(Math.min(destY, this.maxY), 0);	this.distY = this.destY - this.startY;	this.distX = this.destX - this.startX;	this.slideTo(this.destX, this.destY);};dw_scrollObj.prototype.slideTo = function(destX, destY){	this.per = Math.PI / (2 * this.slideDur);	this.sliding = true;	this.slideStart = (new Date()).getTime();	this.aniTimer = setInterval(this.animString + ".doSlide()",10);	this.on_slide_start(this.startX, this.startY);};dw_scrollObj.prototype.doSlide = function(){	var elapsed = (new Date()).getTime() - this.slideStart;	if (elapsed < this.slideDur)	{		var x = this.startX + this.distX * Math.sin(this.per*elapsed);		var y = this.startY + this.distY * Math.sin(this.per*elapsed);		this.shiftTo(this.lyr, x, y); this.on_slide(x, y);	}	else	{	// if time's up		clearInterval(this.aniTimer); this.sliding = false;		this.shiftTo(this.lyr, this.destX, this.destY);		this.lyr = null; this.on_slide_end(this.destX, this.destY);	}};dw_scrollObj.prototype.on_slide_start = function(){};dw_scrollObj.prototype.on_slide = function(){};dw_scrollObj.prototype.on_slide_end = function(){};/*   dw_slidebar.js   version date: Feb 2004   requires dw_event.js   */// model: Aaron Boodman's dom drag at www.youngpup.netvar dw_slidebar ={  obj: null,  slideDur: 500,  // duration of glide onclick of track  init: function (bar, track, axis, x, y) {    x = x || 0; y = y || 0;    bar.style.left = x + "px"; bar.style.top = y + "px";    bar.axis = axis; track.bar = bar;    if (axis == "h") {      bar.trkWd = track.offsetWidth; // hold for setBarSize      bar.maxX = bar.trkWd - bar.offsetWidth - x;      bar.minX = x; bar.maxY = y; bar.minY = y;    } else {      bar.trkHt = track.offsetHeight;      bar.maxY = bar.trkHt - bar.offsetHeight - y;      bar.maxX = x; bar.minX = x; bar.minY = y;    }    bar.on_drag_start =  bar.on_drag =   bar.on_drag_end =    bar.on_slide_start = bar.on_slide =  bar.on_slide_end = function() {}    bar.onmousedown = this.startDrag; track.onmousedown = this.startSlide;  },  startSlide: function(e) { // called onmousedown of track    if ( dw_slidebar.aniTimer ) clearInterval(dw_slidebar.aniTimer);    e = e? e: window.event;    var bar = dw_slidebar.obj = this.bar; // i.e., track's bar    e.offX = (typeof e.layerX != "undefined")? e.layerX: e.offsetX;    e.offY = (typeof e.layerY != "undefined")? e.layerY: e.offsetY;    bar.startX = parseInt(bar.style.left); bar.startY = parseInt(bar.style.top);    if (bar.axis == "v") {      bar.destX = bar.startX;      bar.destY = (e.offY < bar.startY)? e.offY: e.offY - bar.offsetHeight;      bar.destY = Math.min( Math.max(bar.destY, bar.minY), bar.maxY );    } else {      bar.destX = (e.offX < bar.startX)? e.offX: e.offX - bar.offsetWidth;      bar.destX = Math.min( Math.max(bar.destX, bar.minX), bar.maxX );      bar.destY = bar.startY;    }    bar.distX = bar.destX - bar.startX; bar.distY = bar.destY - bar.startY;    dw_slidebar.per = Math.PI/(2 * dw_slidebar.slideDur);  	dw_slidebar.slideStart = (new Date()).getTime();    bar.on_slide_start(bar.startX, bar.startY);  	dw_slidebar.aniTimer = setInterval("dw_slidebar.doSlide()",10);  },  doSlide: function() {    if ( !dw_slidebar.obj ) { clearInterval(dw_slidebar.aniTimer); return; }    var bar = dw_slidebar.obj;    var elapsed = (new Date()).getTime() - this.slideStart;    if (elapsed < this.slideDur) {      	var x = bar.startX + bar.distX * Math.sin(this.per*elapsed);      	var y = bar.startY + bar.distY * Math.sin(this.per*elapsed);        bar.style.left = x + "px"; bar.style.top = y + "px";        bar.on_slide(x, y);    } else {	// if time's up        clearInterval(this.aniTimer);        bar.style.left = bar.destX + "px"; bar.style.top = bar.destY + "px";        bar.on_slide_end(bar.destX, bar.destY);        this.obj = null;    }  },  startDrag: function (e) { // called onmousedown of bar    e = dw_event.DOMit(e);    if ( dw_slidebar.aniTimer ) clearInterval(dw_slidebar.aniTimer);    var bar = dw_slidebar.obj = this;    bar.downX = e.clientX; bar.downY = e.clientY;    bar.startX = parseInt(bar.style.left);    bar.startY = parseInt(bar.style.top);    bar.on_drag_start(bar.startX, bar.startY);    dw_event.add( document, "mousemove", dw_slidebar.doDrag, true );    dw_event.add( document, "mouseup",   dw_slidebar.endDrag,  true );    e.stopPropagation();  },  doDrag: function (e) {    e = e? e: window.event;    if (!dw_slidebar.obj) return;    var bar = dw_slidebar.obj;    var nx = bar.startX + e.clientX - bar.downX;    var ny = bar.startY + e.clientY - bar.downY;    nx = Math.min( Math.max( bar.minX, nx ), bar.maxX);    ny = Math.min( Math.max( bar.minY, ny ), bar.maxY);    bar.style.left = nx + "px"; bar.style.top  = ny + "px";    bar.on_drag(nx,ny);    return false;  },  endDrag: function () {    dw_event.remove( document, "mousemove", dw_slidebar.doDrag, true );    dw_event.remove( document, "mouseup",   dw_slidebar.endDrag,  true );    if ( !dw_slidebar.obj ) return; // avoid errors in ie if inappropriate selections    dw_slidebar.obj.on_drag_end( parseInt(dw_slidebar.obj.style.left), parseInt(dw_slidebar.obj.style.top) );    dw_slidebar.obj = null;  }};/*  dw_scroll_aux.js    version date: May 2004  */dw_scrollObj.prototype.setUpScrollbar = function(id, trkId, axis, offx, offy){	if (!document.getElementById) return;	var bar = document.getElementById(id);	var trk = document.getElementById(trkId);	dw_slidebar.init(bar, trk, axis, offx, offy);	// connect dw_slidebar with dw_scrollObj	bar.wn = dw_scrollObjs[this.id]; // scroll area object this bar connected to	if (axis == "v") this.vBarId = id; else this.hBarId = id;	// also called on_load (i.e., when layer loaded), but in case h and v scrollbars, need to call here too	if (this.bSizeDragBar) this.setBarSize();	bar.on_drag_start = bar.on_slide_start = dw_scrollObj.getWndoLyrRef;	bar.on_drag_end = bar.on_slide_end = dw_scrollObj.tossWndoLyrRef;	bar.on_drag = bar.on_slide = dw_scrollObj.UpdateWndoLyrPos;};// for these 3 functions (assigned to bar.on_drag/slide...) "this" refers to bar// get/discard ref to layer visible in scroll areadw_scrollObj.getWndoLyrRef = function(){	this.wnLyr = document.getElementById(this.wn.lyrId);};dw_scrollObj.tossWndoLyrRef = function(){	this.wnLyr = null;};// keep position of scrolling layer in synch with slide/drag of bardw_scrollObj.UpdateWndoLyrPos = function(x, y){	var nx, ny;	if (this.axis == "v")	{		nx = this.wn.x; // floating point values for loaded layer's position held in shiftTo method		ny = -(y - this.minY) * ( this.wn.maxY / (this.maxY - this.minY) ) || 0;	}	else	{		ny = this.wn.y;		nx = -(x - this.minX) * ( this.wn.maxX / (this.maxX - this.minX) ) || 0;	}	this.wn.shiftTo(this.wnLyr, nx, ny);};// Keep position of dragBar in sync with position of layer onscrolldw_scrollObj.prototype.updateScrollbar = function(x, y){	var nx, ny;	if (this.vBarId)	{		if (!this.maxY) return;		ny = -(y * ((this.vbar.maxY - this.vbar.minY) / this.maxY) - this.vbar.minY);		ny = Math.min(Math.max(ny, this.vbar.minY), this.vbar.maxY);		nx = parseInt(this.vbar.style.left);		this.vbar.style.left = nx + "px";		this.vbar.style.top = ny + "px";	}	if (this.hBarId)	{		if (!this.maxX) return;		nx = -(x * ((this.hbar.maxX - this.hbar.minX) / this.maxX) - this.hbar.minX);		nx = Math.min(Math.max(nx, this.hbar.minX), this.hbar.maxX);		ny = parseInt(this.hbar.style.top);		this.hbar.style.left = nx + "px";		this.hbar.style.top = ny + "px";	}};// Restore dragBar to start position when loading new layerdw_scrollObj.prototype.restoreScrollbars = function(){	var bar;	if (this.vBarId)	{		bar = document.getElementById(this.vBarId);		bar.style.left = bar.minX + "px"; bar.style.top = bar.minY + "px";	}	if (this.hBarId)	{		bar = document.getElementById(this.hBarId);		bar.style.left = bar.minX + "px";		bar.style.top = bar.minY + "px";	}};// Size dragBar in proportion to size of content in layer// called on_load of layer if bSizeDragBar prop truedw_scrollObj.prototype.setBarSize = function(){	var bar;	var lyr = document.getElementById(this.lyrId);	var wn = document.getElementById(this.id);	var wn = document.getElementById(this.id);	if (this.vBarId)	{		bar = document.getElementById(this.vBarId);		bar.style.height = (lyr.offsetHeight > wn.offsetHeight) ? bar.trkHt / (lyr.offsetHeight / wn.offsetHeight) + "px" : bar.trkHt - 2*bar.minY + "px";		bar.maxY = bar.trkHt - bar.offsetHeight - bar.minY;		if (bar.maxY) document.getElementById('scroll_bar').style.visibility = 'visible';	}	if (this.hBarId)	{		bar = document.getElementById(this.hBarId);		bar.style.width = (this.wd > wn.offsetWidth) ? bar.trkWd / (this.wd / wn.offsetWidth) + "px" : bar.trkWd - 2*bar.minX + "px";		bar.maxX = bar.trkWd - bar.offsetWidth - bar.minX;		//!!		//if (dw_scrollObj.prototype.bHideDragBarWhenNotNeeded && bar.maxY) alert('');	}};// called from load methoddw_scrollObj.prototype.on_load = function(){	this.restoreScrollbars();	if (this.bSizeDragBar) this.setBarSize();};dw_scrollObj.prototype.on_scroll = dw_scrollObj.prototype.on_slide = function(x,y){	this.updateScrollbar(x,y);};// obtain and discard references to relevant dragBardw_scrollObj.prototype.on_scroll_start = dw_scrollObj.prototype.on_slide_start = function(){	if (this.vBarId) this.vbar = document.getElementById(this.vBarId);	if (this.hBarId) this.hbar = document.getElementById(this.hBarId);};dw_scrollObj.prototype.on_scroll_end = dw_scrollObj.prototype.on_slide_end = function(x, y){	this.updateScrollbar(x,y);	this.lyr = null;	this.bar = null;};var dw_event ={	add: function(obj, etype, fp, cap)	{		cap = cap || false;		if (obj.addEventListener) obj.addEventListener(etype, fp, cap);		else if (obj.attachEvent) obj.attachEvent("on" + etype, fp);	},	remove: function(obj, etype, fp, cap)	{		cap = cap || false;		if (obj.removeEventListener) obj.removeEventListener(etype, fp, cap);		else if (obj.detachEvent) obj.detachEvent("on" + etype, fp);	},	DOMit: function(e)	{		e = e ? e : window.event;		e.tgt = e.srcElement ? e.srcElement : e.target;		if (!e.preventDefault) e.preventDefault = function()		{			return false;		}		if (!e.stopPropagation) e.stopPropagation = function()		{			if (window.event) window.event.cancelBubble = true;		}		return e;	}};