/* ======================================================= 
* ypSimpleScroll 
* 
* http://www.yougnpup.net/ 
* ======================================================= */ 
ypSimpleScroll.prototype.scrollNorth = function() { this.startScroll(90) } 
ypSimpleScroll.prototype.scrollSouth = function() { this.startScroll(270) } 
ypSimpleScroll.prototype.scrollWest = function() { this.startScroll(180) } 
ypSimpleScroll.prototype.scrollEast = function() { this.startScroll(0) } 
ypSimpleScroll.prototype.startScroll = function(deg, speed) { 
if (this.loaded) 
{ 
if (this.aniTimer) window.clearTimeout(this.aniTimer) 
this.overrideScrollAngle(deg) 
this.speed = speed ? speed : this.origSpeed 
this.lastTime = (new Date()).getTime() - this.y.minRes 
this.aniTimer = window.setTimeout(this.gRef + ".scroll()", this.y.minRes) 
} 
} 
ypSimpleScroll.prototype.endScroll = function() { 
if (this.loaded) 
{ 
window.clearTimeout(this.aniTimer) 
this.aniTimer = 0; 
this.speed = this.origSpeed 
} 
} 
ypSimpleScroll.prototype.overrideScrollAngle = function(deg) { 
if (this.loaded) 
{ 
deg = deg % 360 
if (deg % 90 == 0) { 
var cos = deg == 0 ? 1 : deg == 180 ? -1 : 0 
var sin = deg == 90 ? -1 : deg == 270 ? 1 : 0 
} else { 
var angle = deg * Math.PI / 180 
var cos = Math.cos(angle) 
var sin = Math.sin(angle) 
sin = -sin 
} 
this.fx = cos / (Math.abs(cos) + Math.abs(sin)) 
this.fy = sin / (Math.abs(cos) + Math.abs(sin)) 
this.stopH = deg == 90 || deg == 270 ? this.scrollLeft : deg < 90 || deg > 270 ? this.scrollW : 0 
this.stopV = deg == 0 || deg == 180 ? this.scrollTop : deg < 180 ? 0 : this.scrollH 
} 
} 
ypSimpleScroll.prototype.overrideScrollSpeed = function(speed) { 
if (this.loaded) this.speed = speed 
} 
ypSimpleScroll.prototype.scrollTo = function(stopH, stopV, aniLen) { 
if (this.loaded) 
{ 
if (stopH != this.scrollLeft || stopV != this.scrollTop) { 
if (this.aniTimer) window.clearTimeout(this.aniTimer) 
this.lastTime = (new Date()).getTime() 
var dx = Math.abs(stopH - this.scrollLeft) 
var dy = Math.abs(stopV - this.scrollTop) 
var d = Math.sqrt(Math.pow(dx,2) + Math.pow(dy,2)) 
this.fx = (stopH - this.scrollLeft) / (dx + dy) 
this.fy = (stopV - this.scrollTop) / (dx + dy) 
this.stopH = stopH 
this.stopV = stopV 
this.speed = d / aniLen * 1000 
window.setTimeout(this.gRef + ".scroll()", this.y.minRes) 
} 
} 
} 
ypSimpleScroll.prototype.jumpTo = function(nx, ny) { 
if (this.loaded) 
{ 
nx = Math.min(Math.max(nx, 0), this.scrollW) 
ny = Math.min(Math.max(ny, 0), this.scrollH) 
this.scrollLeft = nx 
this.scrollTop = ny 
if (this.y.ns4)this.content.moveTo(-nx, -ny) 
else { 
this.content.style.left = -nx + "px" 
this.content.style.top = -ny + "px" 
} 
} 
} 
ypSimpleScroll.minRes = 10 
ypSimpleScroll.ie = document.all ? 1 : 0 
ypSimpleScroll.ns4 = document.layers ? 1 : 0 
ypSimpleScroll.dom = document.getElementById ? 1 : 0 
ypSimpleScroll.mac = navigator.platform == "MacPPC" 
ypSimpleScroll.mo5 = document.getElementById && !document.all ? 1 : 0 
ypSimpleScroll.prototype.scroll = function() { 
this.aniTimer = window.setTimeout(this.gRef + ".scroll()", this.y.minRes) 
var nt = (new Date()).getTime() 
var d = Math.round((nt - this.lastTime) / 1000 * this.speed) 
if (d > 0) 
{ 
var nx = d * this.fx + this.scrollLeft 
var ny = d * this.fy + this.scrollTop 
var xOut = (nx >= this.scrollLeft && nx >= this.stopH) || (nx <= this.scrollLeft && nx <= this.stopH) 
var yOut = (ny >= this.scrollTop && ny >= this.stopV) || (ny <= this.scrollTop && ny <= this.stopV) 
if (nt - this.lastTime != 0 && 
((this.fx == 0 && this.fy == 0) || 
(this.fy == 0 && xOut) || 
(this.fx == 0 && yOut) || 
(this.fx != 0 && this.fy != 0 && xOut && yOut))) 
{ 
this.jumpTo(this.stopH, this.stopV) 
this.endScroll() 
} 
else { 
this.jumpTo(nx, ny) 
this.lastTime = nt 
} 
} 
} 
function ypSimpleScroll(id, left, top, width, height, speed, contentWidth, initLeft, initTop) 
{ 
var y = this.y = ypSimpleScroll 
if (!initLeft) initLeft = 0 
if (!initTop) initTop = 0 
if (!contentWidth) contentWidth = width 
if (document.layers && !y.ns4) history.go(0) 
if (y.ie || y.ns4 || y.dom) { 
this.loaded = false 
this.id = id 
this.origSpeed = speed 
this.aniTimer = false 
this.op = "" 
this.lastTime = 0 
this.clipH = height 
this.clipW = width 
this.scrollTop = initTop 
this.scrollLeft = initLeft 
this.gRef = "ypSimpleScroll_"+id 
eval(this.gRef+"=this") 
var d = document 
d.write('<style type="text/css">') 
d.write('#' + this.id + 'Container { left:' + left + 'px; top:' + top + 'px; width:100%; height:' + height + 'px; clip:rect(0 ' + width + ' ' + height + ' 0); overflow:hidden; position:relative; }') 
d.write('#' + this.id + 'Content { position:absolute; }') 
d.write('#' + this.id + 'Content { left:' + (-initLeft) + 'px; top:' + (-initTop) + 'px; width:' + contentWidth + 'px; position:absolute; }') 
d.write('</style>') 
} 
} 
ypSimpleScroll.prototype.load = function() { 
var d, lyrId1, lyrId2 
d = document 
lyrId1 = this.id + "Container" 
lyrId2 = this.id + "Content" 
this.container = this.y.dom ? d.getElementById(lyrId1) : this.y.ie ? d.all[lyrId1] : d.layers[lyrId1] 
this.content = obj2 = this.y.ns4 ? this.container.layers[lyrId2] : this.y.ie ? d.all[lyrId2] : d.getElementById(lyrId2) 
this.docH = Math.max(this.y.ns4 ? this.content.document.height : this.content.offsetHeight, this.clipH) 
this.docW = Math.max(this.y.ns4 ? this.content.document.width : this.content.offsetWidth, this.clipW) 
this.scrollH = this.docH - this.clipH 
this.scrollW = this.docW - this.clipW 
this.loaded = true 
this.scrollLeft = Math.max(Math.min(this.scrollLeft, this.scrollW),0) 
this.scrollTop = Math.max(Math.min(this.scrollTop, this.scrollH),0) 
this.jumpTo(this.scrollLeft, this.scrollTop) 
}