/* CONFIG

This code is from Dynamic Web Coding 
at http://www.dyn-web.com/
Copyright 2001-2 by Sharon Paine 
See Terms of Use at http://www.dyn-web.com/bus/terms.html
Permission granted to use this code 
as long as this entire notice is included.
*/

var pgLoaded = false;
var wndo = new Array();	// "window(s)" for scrollable content
var wndin =new Array();

var origWidth, origHeight;
if (document.layers) {
	origWidth = window.innerWidth; origHeight = window.innerHeight;
	window.onresize = function() { if (window.innerWidth != origWidth || window.innerHeight != origHeight) history.go(0); }
}


function initScrLyr() {
	
	
	pgLoaded=true;	
	
	// creat scrollable content areas
	// arg: id of div containing scrollable div(s)
	wndo[0] = new dw_scrollObj('wn1');wndin[0]=73;
	wndo[1] = new dw_scrollObj('wn2');wndin[1]=333;
	wndo[2] = new dw_scrollObj('wn3');wndin[2]=593;

	// load scrolling content
	// arg's: array number of wndo, id of scroll div
	loadScrLyr(0,'w1c1');
	loadScrLyr(1,'w2c1');
	loadScrLyr(2,'w3c1');

	if (navigator.userAgent.indexOf("Gecko")>-1) {
		for (var i=0; i<wndo.length; i++) {
			if (wndo[i].el.parentNode.id.indexOf("hold")!=-1) {
				var holderId = wndo[i].el.parentNode.id;
				var holder = document.getElementById(holderId);
				var scrWn = holder.removeChild(wndo[i].el);
				document.body.appendChild(wndo[i].el);
				wndo[i].css.zIndex = 1000;
				
				var x = holder.offsetLeft;
				wndo[i].shiftTo(x+wndin[i],180);
			}
		}
	}
	
	

}

/*
		dw_lyr_scroll.js
		requires dw_scroll.js
		version date: August 2002
		contains functions for "scrolling layer content"
		i.e., for onmouseover and onclick scrolling
		
		This code is from Dynamic Web Coding 
    at http://www.dyn-web.com/
    Copyright 2001-2 by Sharon Paine 
    See Terms of Use at http://www.dyn-web.com/bus/terms.html
    Permission granted to use this code 
    as long as this entire notice is included.		
*/

var scrTimer = 20; // interval between calls to scroll onmouseover
var scrTmId=0;	// for setTimeouts

// control scroll speed/amount
var jump_inc = 100; // amount of scroll per click (jump functions)
// amount of scroll per loop during onmouseover
var movr_inc = 4;		// higher number for faster scroll

function stopScroll() {
	clearTimeout(scrTmId);
	scrTmId = 0;
}

/////////////////////////////////////////////////////////////////////
// loadScrLyr function: loads scrollable content div(s)
//	arg's: wndo array number, id of scrollable div,
//	and id of table or other html element that contains div content. 
//	NOTE: Netscape 6 needs that html container and its id 
//	in order to get width for horizontal scrolling.
//	If only using vertical scrolling, that extra container
//	is not necessary.
/////////////////////////////////////////////////////////////////////
function loadScrLyr(num,lyr,id) {
	if (!pgLoaded) return; // avoid not loaded errors
	if (typeof wndo[num].cnt != "undefined") wndo[num].cnt.hide();
	wndo[num].cnt = new dw_scrollObj(lyr,id);
	wndo[num].cnt.show();
	wndo[num].cnt.shiftTo(0,50);	// restore top/left to 0 
	wndo[num].maxX = wndo[num].cnt.width - wndo[num].width;
	wndo[num].maxY = wndo[num].cnt.height - wndo[num].height
} 


// These functions are for onmouseover scrolling
function inchDown(num,inc) {
	if (!pgLoaded||!wndo[num]) return;
	if (scrTmId) clearTimeout(scrTmId);
	var y = parseInt(wndo[num].cnt.css.top);
	if (y>-wndo[num].maxY) { 
		wndo[num].cnt.shiftBy(0,-inc);
		scrTmId = setTimeout("inchDown("+num+","+inc+")",scrTimer);	
	}
}

function inchUp(num,inc) {
	if (!pgLoaded||!wndo[num]) return;
	if (scrTmId) clearTimeout(scrTmId);
	var y = parseInt(wndo[num].cnt.css.top);
	if (y<0) { 
		wndo[num].cnt.shiftBy(0,inc);
		scrTmId = setTimeout("inchUp("+num+","+inc+")",scrTimer);	
  }
}

function inchRight(num,inc) {
	if (!pgLoaded||!wndo[num]) return;
	if (scrTmId) clearTimeout(scrTmId);
	var y = parseInt(wndo[num].cnt.css.left);	
	if (y>-wndo[num].maxX) { 
		wndo[num].cnt.shiftBy(-inc,0);
		scrTmId = setTimeout("inchRight("+num+","+inc+")",scrTimer);	
	}
}

function inchLeft(num,inc) {
	if (!pgLoaded||!wndo[num]) return;
	if (scrTmId) clearTimeout(scrTmId);
	var y = parseInt(wndo[num].cnt.css.left);
	if (y<0) { 
		wndo[num].cnt.shiftBy(inc,0);
		scrTmId = setTimeout("inchLeft("+num+","+inc+")",scrTimer);	
  }
}


// These functions are for onclick scrolling
function jumpDown(num,jump) {
	if (!pgLoaded||!wndo[num]) return;
	var y = parseInt(wndo[num].cnt.css.top);
	if (y>(-wndo[num].maxY)) { 
		if ((y-jump)>(-wndo[num].maxY)) wndo[num].cnt.shiftBy(0,-jump);
		else wndo[num].cnt.shiftBy(0,-(wndo[num].maxY-Math.abs(y)));	
  }
}

function jumpUp(num,jump) {
	if (!pgLoaded||!wndo[num]) return;
	var y = parseInt(wndo[num].cnt.css.top);
	if (y<0) { 
		if ((y+jump)<=0) wndo[num].cnt.shiftBy(0,jump); 
		else wndo[num].cnt.shiftBy(0,-y); 
	}
}

function jumpRight(num,jump) {
	if (!pgLoaded||!wndo[num]) return;
	var x = parseInt(wndo[num].cnt.css.left);
	if (x>(-wndo[num].maxX)) {
		if ((x-jump)>(-wndo[num].maxX)) wndo[num].cnt.shiftBy(-jump,0);
		else wndo[num].cnt.shiftBy(-(wndo[num].maxX-Math.abs(x)),0);	
  }
}

function jumpLeft(num,jump) {
	if (!pgLoaded||!wndo[num]) return;
	var x = parseInt(wndo[num].cnt.css.left);
	if (x<0) { 
		if ((x+jump)<=0) wndo[num].cnt.shiftBy(jump,0); 
		else wndo[num].cnt.shiftBy(-x,0); 
	}
}

/*
		dw_scroll.js
		version date: July 2002
		constructor and basic methods for scrollers
				
		This code is from Dynamic Web Coding 
    at http://www.dyn-web.com/
    Copyright 2001-2 by Sharon Paine 
    See Terms of Use at http://www.dyn-web.com/bus/terms.html
    Permission granted to use this code 
    as long as this entire notice is included.
*/


////////////////////////////////////////////////////////////////////
//  Constructor function used for creating scrollable content areas.
//	Used to create both wndo and content objects.
//  Argument for creating wndo objects:	id of wndo div.
//	Arguments for creating content (done in loadScrLyr function):
//	id of content div, id of html element that contains content. 
//	NOTE: Netscape 6 needs that html container and its id 
//	in order to get width for horizontal scrolling.
//	If only using vertical scrolling, that extra container
//	is not necessary.
//	You can set left/top in style sheet or pass it to constructor.
//	Width/height (and clip) need to be set in style sheet
//	(opera and ns4 can't reflow content)
////////////////////////////////////////////////////////////////////
function dw_scrollObj(obj,id,x,y) {
	this.el = (document.getElementById)? document.getElementById(obj): (document.all)? document.all[obj]: (document.layers)? getLyrRef(obj,document): null;
	if (!this.el) return null;
	this.css = (this.el.style)? this.el.style: this.el;
	var px = (document.layers||window.opera)? "": "px";
	this.x = x || 0;	if (x) this.css.left = this.x+px;
	this.y = y || 0;	if (y) this.css.top = this.y+px;
	this.width = (this.el.clientWidth)? this.el.clientWidth: (id && document.getElementById && document.getElementById(id).offsetWidth)? document.getElementById(id).offsetWidth: (this.el.offsetWidth)? this.el.offsetWidth: (this.css.clip.width)? this.css.clip.width: 0;
	this.height = (this.el.offsetHeight)? this.el.offsetHeight: (this.css.clip.height)? this.css.clip.height: 0;
	this.obj = obj + "Obj"; eval(this.obj+"=this");
}


function dw_shiftTo(x,y) {
	if (x!=null) this.x=x; if (y!=null) this.y=y;	
	if (this.css.moveTo) { 
		this.css.moveTo(Math.round(this.x),Math.round(this.y)); 
	} else { 
		this.css.left=Math.round(this.x)+"px"; 
		this.css.top=Math.round(this.y)+"px"; 
	}
}

function dw_shiftBy(x,y) {
	this.shiftTo(this.x+x,this.y+y);
}

function dw_show() {	this.css.visibility = "visible"; }
function dw_hide() { this.css.visibility = "hidden"; }


dw_scrollObj.prototype.shiftBy=dw_shiftBy;
dw_scrollObj.prototype.shiftTo=dw_shiftTo;
dw_scrollObj.prototype.show=dw_show; 
dw_scrollObj.prototype.hide=dw_hide;

// get reference to nested layer for ns4
// from dhtmllib.js by Mike Hall of www.brainjar.com
function getLyrRef(lyr,doc) {
	if (document.layers) {
		var theLyr;
		for (var i=0; i<doc.layers.length; i++) {
	  	theLyr = doc.layers[i];
			if (theLyr.name == lyr) return theLyr;
			else if (theLyr.document.layers.length > 0) 
	    	if ((theLyr = getLyrRef(lyr,theLyr.document)) != null)
					return theLyr;
	  }
		return null;
  }
}