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 IS passed when using attachEvent though ...
if (!e.target) e.target = e.srcElement;
if (!e.preventDefault) e.preventDefault = function () { e.returnValue = false; return false; }
if (!e.stopPropagation) e.stopPropagation = function () { e.cancelBubble = true; }
return e;
},
getTarget: function(e) {
e = dw_Event.DOMit(e); var tgt = e.target; 
if (tgt.nodeType != 1) tgt = tgt.parentNode; // safari...
return tgt;
}}
// Danny Goodman's version (DHTML def ref)
function addLoadEvent(func) {
var oldQueue = window.onload? window.onload: function() {};
window.onload = function() {
oldQueue();
func();
}}
//DW_SCROLL.JS
// horizId only needed for horizontal scrolling
function dw_scrollObj(wndoId, lyrId, horizId) {
var wn = document.getElementById(wndoId);
this.id = wndoId; dw_scrollObj.col[this.id] = this;
this.animString = "dw_scrollObj.col." + this.id;
this.load(lyrId, horizId);
if (wn.addEventListener) {
wn.addEventListener('DOMMouseScroll', dw_scrollObj.doOnMouseWheel, false);
} 
wn.onmousewheel = dw_scrollObj.doOnMouseWheel;
}
// If set true, position scrolling content div's absolute in style sheet (see documentation)
// set false in download file with position absolute set in .load method due to support issues 
// (Too many people remove the specification and then complain that the code doesn't work!)
dw_scrollObj.printEnabled = false;
dw_scrollObj.defaultSpeed = dw_scrollObj.prototype.speed = 100; // default for mouseover or mousedown scrolling
dw_scrollObj.defaultSlideDur = dw_scrollObj.prototype.slideDur = 500; // default duration of glide onclick
dw_scrollObj.isSupported = function () {
if ( document.getElementById && document.getElementsByTagName 
&& document.addEventListener || document.attachEvent ) {
return true;
}
return false;
}
dw_scrollObj.col = {}; // collect instances
// custom events 
dw_scrollObj.prototype.on_load = function() {} // when dw_scrollObj initialized or new layer loaded
dw_scrollObj.prototype.on_scroll = function() {}
dw_scrollObj.prototype.on_scroll_start = function() {}
dw_scrollObj.prototype.on_scroll_stop = function() {} // when scrolling has ceased (mouseout/up)
dw_scrollObj.prototype.on_scroll_end = function() {} // reached end
dw_scrollObj.prototype.on_update = function() {} // called in updateDims
dw_scrollObj.prototype.on_glidescroll = function() {}
dw_scrollObj.prototype.on_glidescroll_start = function() {}
dw_scrollObj.prototype.on_glidescroll_stop = function() {} // destination (to/by) reached
dw_scrollObj.prototype.on_glidescroll_end = function() {} // reached end
dw_scrollObj.prototype.load = function(lyrId, horizId) {
var wndo, lyr;
if (this.lyrId) { // layer currently loaded?
lyr = document.getElementById(this.lyrId);
lyr.style.visibility = "hidden";
}
this.lyr = lyr = document.getElementById(lyrId); // hold this.lyr?
if ( !dw_scrollObj.printEnabled ) {
this.lyr.style.position = 'absolute'; 
}
this.lyrId = lyrId; // hold id of currently visible layer
this.horizId = horizId || null; // hold horizId for update fn
wndo = document.getElementById(this.id);
this.y = 0; this.x = 0; this.shiftTo(0,0);
this.getDims(wndo, lyr); 
lyr.style.visibility = "visible";
this.ready = true; this.on_load(); 
}
dw_scrollObj.prototype.shiftTo = function(x, y) {
if (this.lyr) {
this.lyr.style.left = (this.x = x) + "px"; 
this.lyr.style.top = (this.y = y) + "px";
}
}
dw_scrollObj.prototype.getX = function() { return this.x; }
dw_scrollObj.prototype.getY = function() { return this.y; }
dw_scrollObj.prototype.getDims = function(wndo, lyr) { 
this.wd = this.horizId? document.getElementById( this.horizId ).offsetWidth: lyr.offsetWidth;
this.maxX = (this.wd - wndo.offsetWidth > 0)? this.wd - wndo.offsetWidth: 0;
this.maxY = (lyr.offsetHeight - wndo.offsetHeight > 0)? lyr.offsetHeight - wndo.offsetHeight: 0;
}
dw_scrollObj.prototype.updateDims = function() {
var wndo = document.getElementById(this.id);
var lyr = document.getElementById( this.lyrId );
this.getDims(wndo, lyr);
this.on_update();
}
// for mouseover/mousedown scrolling
dw_scrollObj.prototype.initScrollVals = function(deg, speed) {
if (!this.ready) return; 
if (this.timerId) {
clearInterval(this.timerId); this.timerId = 0;
}
this.speed = speed || dw_scrollObj.defaultSpeed;
this.fx = (deg == 0)? -1: (deg == 180)? 1: 0;
this.fy = (deg == 90)? 1: (deg == 270)? -1: 0;
this.endX = (deg == 90 || deg == 270)? this.x: (deg == 0)? -this.maxX: 0; 
this.endY = (deg == 0 || deg == 180)? this.y: (deg == 90)? 0: -this.maxY;
this.lyr = document.getElementById(this.lyrId);
this.lastTime = new Date().getTime();
this.on_scroll_start(this.x, this.y);  
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 + Math.round(this.fx * d); var y = this.y + Math.round(this.fy * d);
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(x, y);
this.on_scroll(x, y);
} else {
clearInterval(this.timerId); this.timerId = 0;
this.shiftTo(this.endX, this.endY);
this.on_scroll(this.endX, this.endY);
this.on_scroll_end(this.endX, this.endY);
}}}
// when scrolling has ceased (mouseout/up)
dw_scrollObj.prototype.ceaseScroll = function() {
if (!this.ready) return;
if (this.timerId) {
clearInterval(this.timerId); this.timerId = 0; 
}
this.on_scroll_stop(this.x, this.y); 
}
// glide onclick scrolling
dw_scrollObj.prototype.initScrollByVals = function(dx, dy, dur) {
if ( !this.ready || this.sliding ) return;
this.startX = this.x; this.startY = this.y;
this.destX = this.destY = this.distX = this.distY = 0;
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.glideScrollPrep(this.destX, this.destY, dur);
}
dw_scrollObj.prototype.initScrollToVals = function(destX, destY, dur) {
if ( !this.ready || this.sliding ) return;
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.glideScrollPrep(this.destX, this.destY, dur);
}
dw_scrollObj.prototype.glideScrollPrep = function(destX, destY, dur) {
this.slideDur = (typeof dur == 'number')? dur: dw_scrollObj.defaultSlideDur;
this.per = Math.PI/(2 * this.slideDur); this.sliding = true;
this.lyr = document.getElementById(this.lyrId); 
this.startTime = new Date().getTime();
this.timerId = setInterval(this.animString + ".doGlideScroll()",10);
this.on_glidescroll_start(this.startX, this.startY);
}
dw_scrollObj.prototype.doGlideScroll = function() {
var elapsed = new Date().getTime() - this.startTime;
if (elapsed < this.slideDur) {
var x = this.startX + Math.round( this.distX * Math.sin(this.per*elapsed) );
var y = this.startY + Math.round( this.distY * Math.sin(this.per*elapsed) );
this.shiftTo(x, y); 
this.on_glidescroll(x, y);
} else {	// if time's up
clearInterval(this.timerId); this.timerId = 0; this.sliding = false;
this.shiftTo(this.destX, this.destY);
this.on_glidescroll(this.destX, this.destY);
this.on_glidescroll_stop(this.destX, this.destY);
// end of axis reached ? 
if ( this.distX && (this.destX == 0 || this.destX == -this.maxX) 
|| this.distY && (this.destY == 0 || this.destY == -this.maxY) ) { 
this.on_glidescroll_end(this.destX, this.destY);
} 
}
}
//  resource: http://adomas.org/javascript-mouse-wheel/
dw_scrollObj.handleMouseWheel = function(id, delta) {
var wndo = dw_scrollObj.col[id];
var x = wndo.x;
var y = wndo.y;
wndo.on_scroll_start(x,y);
var ny;
ny = 12  * delta + y
ny = (ny < 0 && ny >= -wndo.maxY)? ny: (ny < -wndo.maxY)? -wndo.maxY: 0;
wndo.shiftTo(x, ny);
wndo.on_scroll(x, ny);
}
dw_scrollObj.doOnMouseWheel = function(e) {
var delta = 0;
if (!e) e = window.event;
if (e.wheelDelta) { /* IE/Opera. */
delta = e.wheelDelta/120;
//if (window.opera) delta = -delta; // not needed as of v 9.2
} else if (e.detail) { // Mozilla 
delta = -e.detail/3;
}
if (delta) { // > 0 up, < 0 down
dw_scrollObj.handleMouseWheel(this.id, delta);
}
if (e.preventDefault) e.preventDefault();
e.returnValue = false;
}
dw_scrollObj.GeckoTableBugFix = function() {} // no longer need old bug fix
// Get position of el within layer (oCont) sOff: 'left' or 'top'
// Assumes el is within oCont
function dw_getLayerOffset(el, oCont, sOff) {
var off = "offset" + sOff.charAt(0).toUpperCase() + sOff.slice(1);
var val = el[off];
while ( (el = el.offsetParent) != oCont ) 
val += el[off];
var clientOff = off.replace("offset", "client");
if ( el[clientOff] ) val += el[clientOff];
return val;
}
//SCROLL_CONTROL.JS
// two ways to add style sheet for capable browsers
// Nov 2008 revision adds screen as option
// (may want printed copy to appear as on screen?)
dw_writeStyleSheet = function(file, screen) {
var css = '<link rel="stylesheet" href="' + file + '"';
if (screen !== false) {
css += ' media="screen"';
}
document.write(css + ' />');
}
// slower, may flash unstyled ?
function dw_addLinkCSS(file, screen) {
if ( !document.createElement ) return;
var el = document.createElement("link");
el.setAttribute("rel", "stylesheet");
el.setAttribute("type", "text/css");
if (screen !== false) {
el.setAttribute("media", "screen");
}
el.setAttribute("href", file);
document.getElementsByTagName('head')[0].appendChild(el);
}
// Example class names: load_wn_lyr1, load_wn_lyr2_t2
dw_scrollObj.prototype.setUpLoadLinks = function(controlsId) {
var wndoId = this.id; var el = document.getElementById(controlsId); 
var links = el.getElementsByTagName('a');
var cls, parts;
for (var i=0; links[i]; i++) {
cls = dw_scrollObj.get_DelimitedClass( links[i].className );
parts = cls.split('_');
if ( parts[0] == 'load' && parts[1] == wndoId && parts.length > 2 ) {
// no checks on lyrId, horizId
var lyrId = parts[2]; var horizId = parts[3]? parts[3]: null;
dw_Event.add( links[i], 'click', function (wndoId, lyrId, horizId) {
return function (e) {
dw_scrollObj.col[wndoId].load(lyrId, horizId);
if (e && e.preventDefault) e.preventDefault();
return false;
}
}(wndoId, lyrId, horizId) ); // see Crockford js good parts pg 39
}}}
dw_scrollObj.prototype.setUpScrollControls = function(controlsId, autoHide, axis) {
var wndoId = this.id; var el = document.getElementById(controlsId); 
if ( autoHide && axis == 'v' || axis == 'h' ) {
dw_scrollObj.handleControlVis(controlsId, wndoId, axis);
dw_Scrollbar_Co.addEvent( this, 'on_load', function() { dw_scrollObj.handleControlVis(controlsId, wndoId, axis); } );
dw_Scrollbar_Co.addEvent( this, 'on_update', function() { dw_scrollObj.handleControlVis(controlsId, wndoId, axis); } );
}
var links = el.getElementsByTagName('a'), cls, eType;
for (var i=0; links[i]; i++) { 
cls = dw_scrollObj.get_DelimitedClass( links[i].className );
eType = dw_scrollObj.getEv_FnType( cls.slice(0, cls.indexOf('_') ) );
switch ( eType ) {
case 'mouseover' :
case 'mousedown' :
dw_scrollObj.handleMouseOverDownLinks(links[i], wndoId, cls);
break;
case 'scrollToId': 
dw_scrollObj.handleScrollToId(links[i], wndoId, cls);
break;
case 'scrollTo' :
case 'scrollBy':
case 'click': 
dw_scrollObj.handleClick(links[i], wndoId, cls) ;
break;
}}}
dw_scrollObj.handleMouseOverDownLinks = function (linkEl, wndoId, cls) {
var parts = cls.split('_'); var eType = parts[0];
var re = /^(mouseover|mousedown)_(up|down|left|right)(_[\d]+)?$/;			
if ( re.test(cls) ) { 
var eAlt = (eType == 'mouseover')? 'mouseout': 'mouseup';
var dir = parts[1];  var speed = parts[2] || null; 
var deg = (dir == 'up')? 90: (dir == 'down')? 270: (dir == 'left')? 180: 0;
dw_Event.add(linkEl, eType, function (e) { dw_scrollObj.col[wndoId].initScrollVals(deg, speed); } );
dw_Event.add(linkEl, eAlt, function (e) { dw_scrollObj.col[wndoId].ceaseScroll(); } );
if ( eType == 'mouseover') {
dw_Event.add( linkEl, 'mousedown', function (e) { dw_scrollObj.col[wndoId].speed *= 3; } );
dw_Event.add( linkEl, 'mouseup', function (e) { 
dw_scrollObj.col[wndoId].speed = dw_scrollObj.prototype.speed; } ); 
}
dw_Event.add( linkEl, 'click', function(e) { if (e && e.preventDefault) e.preventDefault(); return false; } );
}}
// scrollToId_smile, scrollToId_smile_100, scrollToId_smile_lyr1_100    
dw_scrollObj.handleScrollToId = function (linkEl, wndoId, cls) {
var parts = cls.split('_'); var id = parts[1], lyrId, dur;
if ( parts[2] ) {
if ( isNaN( parseInt(parts[2]) ) ) { 
lyrId = parts[2];
dur = ( parts[3] && !isNaN( parseInt(parts[3]) ) )? parseInt(parts[3]): null;
} else {
dur = parseInt( parts[2] );
}}
dw_Event.add( linkEl, 'click', function (e) {
dw_scrollObj.scrollToId(wndoId, id, lyrId, dur);
if (e && e.preventDefault) e.preventDefault();
return false;
} );}
// doesn't checks if lyrId in wndo, el in lyrId
dw_scrollObj.scrollToId = function(wndoId, id, lyrId, dur) {
var wndo = dw_scrollObj.col[wndoId];
var el = document.getElementById(id);
if (el) {
if ( lyrId ) {
if ( document.getElementById(lyrId) && wndo.lyrId != lyrId ) {
wndo.load(lyrId);
}
}
var lyr = document.getElementById(wndo.lyrId);
var x = dw_getLayerOffset(el, lyr, 'left');
var y = dw_getLayerOffset(el, lyr, 'top');
wndo.initScrollToVals(x, y, dur);}}
dw_scrollObj.handleClick = function (linkEl, wndoId, cls) {
var wndo = dw_scrollObj.col[wndoId];
var parts = cls.split('_'); var eType = parts[0]; 
var dur_re = /^([\d]+)$/; var fn, re, x, y, dur;
switch (eType) {
case 'scrollTo' :
fn = 'scrollTo';  re = /^(null|end|[\d]+)$/;
x = re.test( parts[1] )? parts[1]: '';
y = re.test( parts[2] )? parts[2]: '';
dur = ( parts[3] && dur_re.test(parts[3]) )? parts[3]: null;
break;
case 'scrollBy': // scrollBy_m30_m40, scrollBy_null_m100, scrollBy_100_null
fn = 'scrollBy';  re = /^(([m]?[\d]+)|null)$/;
x = re.test( parts[1] )? parts[1]: '';
y = re.test( parts[2] )? parts[2]: '';		
// negate numbers (m not - but vice versa) 
if ( !isNaN( parseInt(x) ) ) {
x = -parseInt(x);
} else if ( typeof x == 'string' ) {
x = x.indexOf('m') !=-1 ? x.replace('m', ''): x;
}
if ( !isNaN( parseInt(y) ) ) {
y = -parseInt(y);
} else if ( typeof y == 'string' ) {
y = y.indexOf('m') !=-1 ? y.replace('m', ''): y;
}		
dur = ( parts[3] && dur_re.test(parts[3]) )? parts[3]: null;
break;	
case 'click': 
var o = dw_scrollObj.getClickParts(cls);
fn = o.fn; x = o.x; y = o.y; dur = o.dur;
break;}
if ( x !== '' && y !== '' ) {
if (x == 'end') { x = wndo.maxX; }
if (y == 'end') { y = wndo.maxY; }
if (x === 'null' || x === null) { x = wndo.x; }
if (y === 'null' || y === null) { y = wndo.y; }	
x = parseInt(x); y = parseInt(y);  
dur = !isNaN( parseInt(dur) )? parseInt(dur): null;	
if (fn == 'scrollBy') {
dw_Event.add( linkEl, 'click', function (e) {
dw_scrollObj.col[wndoId].initScrollByVals(x, y, dur);
if (e && e.preventDefault) e.preventDefault();
return false;
} );
} else if (fn == 'scrollTo') {
dw_Event.add( linkEl, 'click', function (e) {
dw_scrollObj.col[wndoId].initScrollToVals(x, y, dur);
if (e && e.preventDefault) e.preventDefault();
return false;
} );}}}
// get info from className (e.g., click_down_by_100)
dw_scrollObj.getClickParts = function(cls) {
var parts = cls.split('_');
var re = /^(up|down|left|right)$/;
var dir, fn = '', dur, ar, val, x = '', y = '';
if ( parts.length >= 4 ) {
ar = parts[1].match(re);
dir = ar? ar[1]: null;		
re = /^(to|by)$/; 
ar = parts[2].match(re);
if (ar) {
fn = (ar[0] == 'to')? 'scrollTo': 'scrollBy';
} 
val = parts[3]; // value on x or y axis
re = /^([\d]+)$/;
dur = ( parts[4] && re.test(parts[4]) )? parts[4]: null;
switch (fn) {
case 'scrollBy' :
if ( !re.test( val ) ) {
x = ''; y = ''; break;
}
switch (dir) { // 0 for unspecified axis 
case 'up' : x = 0; y = val; break;
case 'down' : x = 0; y = -val; break;
case 'left' : x = val; y = 0; break;
case 'right' : x = -val; y = 0;
}
break;
case 'scrollTo' :
re = /^(end|[\d]+)$/;
if ( !re.test( val ) ) {
x = ''; y = ''; break;
}
switch (dir) { // null for unspecified axis 
case 'up' : x = null; y = val; break;
case 'down' : x = null; y = (val == 'end')? val: -val; break;
case 'left' : x = val; y = null; break;
case 'right' : x = (val == 'end')? val: -val; y = null;
} 
break;}}
return { fn: fn, x: x, y: y, dur: dur }}
dw_scrollObj.getEv_FnType = function(str) {
var re = /^(mouseover|mousedown|scrollBy|scrollTo|scrollToId|click)$/;
if (re.test(str) ) {
return str;
}
return '';
}
// return class name with underscores in it 
dw_scrollObj.get_DelimitedClass = function(cls) {
if ( cls.indexOf('_') == -1 ) {
return '';}
var whitespace = /\s+/;
if ( !whitespace.test(cls) ) {
return cls;
} else {
var classes = cls.split(whitespace); 
for(var i = 0; classes[i]; i++) { 
if ( classes[i].indexOf('_') != -1 ) {
return classes[i];
}}}}
dw_scrollObj.handleControlVis = function(controlsId, wndoId, axis) {
var wndo = dw_scrollObj.col[wndoId];
var el = document.getElementById(controlsId);
if ( ( axis == 'v' && wndo.maxY > 0 ) || ( axis == 'h' && wndo.maxX > 0 ) ) {
el.style.visibility = 'visible';
} else {
el.style.visibility = 'hidden';
}}