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<!-- ÇÔ ¼ö ¸í	: ScrollMake                                                --!>
<!-- ¼³ ¸í      :                                                           --!>
<!-- Àü´ÞÀÎ¼ö	: ID                                                        --!>
<!-- ¹Ý È¯ °ª	: Á¤»ó -                                                    --!>
<!--              ¿À·ù -                                                    --!>
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ScrollMake.prototype.scrollNorth = function(jsPBIsScroll) { this.IsScrollBar = jsPBIsScroll; this.startScroll(90);  }
ScrollMake.prototype.scrollSouth = function(jsPBIsScroll) { this.IsScrollBar = jsPBIsScroll; this.startScroll(270); }
ScrollMake.prototype.scrollWest = function(jsPBIsScroll) { this.IsScrollBar = jsPBIsScroll; this.startScroll(180);  }
ScrollMake.prototype.scrollEast = function(jsPBIsScroll) { this.IsScrollBar = jsPBIsScroll; this.startScroll(0); }

ScrollMake.prototype.startScroll = function(deg, speed) 
{
	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)
}

ScrollMake.prototype.endScroll = function() 
{
	this.aniTimer = window.clearTimeout(this.aniTimer)
	this.IsScrollBar = false;
	this.speed = this.origSpeed
}

ScrollMake.prototype.overrideScrollAngle = function(deg) 
{
	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
}

ScrollMake.prototype.overrideScrollSpeed = function(speed) 
{
	this.speed = speed
}

ScrollMake.prototype.scrollTo = function(stopH, stopV, aniLen) 
{
	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)
	}
}

ScrollMake.prototype.scrollBarJumpTo =	function(nx, ny)
{
    var jsLPScrollBar = this.id + "_thumb_div";
    var jsLOScrollBar = funcGetElementById(jsLPScrollBar);
    
    if(jsLOScrollBar)
    {
        jsLOScrollBar.style.left = (nx/this.scrollRatio) + "px";
        jsLOScrollBar.style.top = (ny/this.scrollRatio) + "px";
    }
}

ScrollMake.prototype.jumpTo = function(nx, ny) 
{ 
	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"
	}
	
	if(this.IsScrollBar)
	{
	    this.scrollBarJumpTo(nx, ny);
    }
}

ScrollMake.minRes = 10
ScrollMake.ie = document.all ? 1 : 0
ScrollMake.ns4 = document.layers ? 1 : 0
ScrollMake.dom = document.getElementById ? 1 : 0
ScrollMake.mac = navigator.platform == "MacPPC"
ScrollMake.mo5 = document.getElementById && !document.all ? 1 : 0

ScrollMake.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)
	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 ScrollMake(id, left, top, width, height, speed, contentWidth, initLeft, initTop)
{
	var y = this.y = ScrollMake
	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.IsScrollBar = false;
		this.gRef = "ScrollMake_"+id
		eval(this.gRef+"=this")
		var d = document
		d.write('<style type="text/css">')
		d.write('#' + this.id + '_container_div { left:' + left + 'px; top:' + top + 'px; width:' + width + 'px; height:' + height + 'px; clip:rect(0 ' + width + ' ' + height + ' 0); overflow:hidden; }')
		d.write('#' + this.id + '_container_div, #' + this.id + '_content_div { position:absolute; }')
		d.write('#' + this.id + '_content_div { left:' + (-initLeft) + 'px; top:' + (-initTop) + 'px; width:' + contentWidth + 'px; }')
		d.write('</style>')
	}
}

ScrollMake.prototype.load = function() 
{
	var d, lyrId1, lyrId2
	d = document
	lyrId1 = this.id + "_container_div"
	lyrId2 = this.id + "_content_div"
	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)
}
