// SCROLL SET
function ScrollBarSet(Scroll,ObjectPreFix,SizeSlider) {				  
				
	// VERIALBES
	var ContentRoot = parent.document.getElementById(ObjectPreFix+'Holder');
	var ContentHolder = document.getElementById(ObjectPreFix+'Holder');
	var Content = document.getElementById(ObjectPreFix+'Scroll');
	var ScrollerControlls = document.getElementById(ObjectPreFix+'ScrollControls');		
	var Scroller = document.getElementById(ObjectPreFix+'ScrollBar');				
	var ScrollerSlider = document.getElementById(ObjectPreFix+'Slider');
				
	// RESET
	Content.style.top = "0px";
	ScrollerSlider.style.top = "0px";
	
	if (Scroll) {	
	
		if (ContentHolder.offsetHeight < Content.offsetHeight) {	
		
			// SET SCROLL HEIGHT/SET ARROWS
			if(document.getElementById(ObjectPreFix+'ScrollUp') && document.getElementById(ObjectPreFix+'ScrollDown')) {
				Scroller.style.height = (ContentHolder.offsetHeight-document.getElementById(ObjectPreFix+'ScrollUp').offsetHeight-document.getElementById(ObjectPreFix+'ScrollDown').offsetHeight) + "px";		
				
				// UP
				document.getElementById(ObjectPreFix+'ScrollUp').onmousedown = new Function('ScrollBarArrows("up","'+ObjectPreFix+'")');
				document.getElementById(ObjectPreFix+'ScrollUp').onmouseup = new Function('clearTimeout(ScrollBarSetTimeOut)'); 
				
				// DOWN
				document.getElementById(ObjectPreFix+'ScrollDown').onmousedown = new Function('ScrollBarArrows("down","'+ObjectPreFix+'")');
				document.getElementById(ObjectPreFix+'ScrollDown').onmouseup = new Function('clearTimeout(ScrollBarSetTimeOut)'); 	
				
			} else {
				Scroller.style.height = ContentHolder.offsetHeight + "px";
			}
				
			// SET SLIDER
			if(!SizeSlider) {
				var SliderHeight  = ScrollerSlider.offsetHeight;	
			} else {
				var SliderHeight  = (ContentHolder.offsetHeight * (Scroller.offsetHeight)) / Content.offsetHeight;
				if(SliderHeight  < 15) SliderHeight = 15;							
				ScrollerSlider.style.height = Math.round(SliderHeight) + "px";			
			}
					
			// SCROLL DISTANCE
			var ScrollDistance = Math.round((Scroller.offsetHeight)-SliderHeight);	
					
			// SET POSITION
			if (ContentHolder.offsetTop != 0) {
			var SliderY	= ((Content.offsetTop*-1)/(Content.offsetHeight - ContentHolder.offsetHeight))*ScrollDistance;	
				if (SliderY > ScrollDistance) {
					ScrollerSlider.style.top = ScrollDistance+"px";
					var docY = 0 - (ScrollDistance * (Content.offsetHeight - ContentHolder.offsetHeight) / ScrollDistance);
					Content.style.top = docY + "px";
				} else {
					ScrollerSlider.style.top = SliderY+"px";
				}
			}	
			
			// SHOW
			Content.style.width = (ContentRoot.offsetWidth-Scroller.offsetWidth-0)+"px";
			ScrollerControlls.style.visibility = "visible";					
			
			// SET DRAG
			Drag.init(ScrollerSlider,null,0,0,0,ScrollDistance);	
			ScrollerSlider.onDrag = function (x,y) {
			  var scrollY = parseInt(ScrollerSlider.style.top);
			  var docY = 0 - (scrollY * (Content.offsetHeight - ContentHolder.offsetHeight) / ScrollDistance);
			  Content.style.top = docY + "px";
			}
		} else {
			Content.style.width = (ContentRoot.offsetWidth-0)+"px";
			ScrollerControlls.style.visibility = "hidden";	
		}
	} else {
		Content.style.width = (ContentRoot.offsetWidth-0)+"px";
		ScrollerControlls.style.visibility = "hidden";	
	} 
}

// SCROLL ARROWS
function ScrollBarArrows (Direction,ObjectPreFix) {	

	// VERIABLES	
	var ContentRoot = parent.document.getElementById(ObjectPreFix+'Holder');
	var ContentHolder = document.getElementById(ObjectPreFix+'Holder');
	var Content = document.getElementById(ObjectPreFix+'Scroll');	
	var Scroller = document.getElementById(ObjectPreFix+'ScrollBar');				
	var ScrollerSlider = document.getElementById(ObjectPreFix+'Slider');
	var ScrollDistance = Math.round((Scroller.offsetHeight)-ScrollerSlider.offsetHeight);	
	
	// UP
	if(Direction == 'up') {			
		var SliderY = (ScrollerSlider.offsetTop-10);	
		if (SliderY < 0) { 
			SliderY = 0;
		}		
	}
	
	// DOWN
	else if(Direction == 'down') {		
		var SliderY = (ScrollerSlider.offsetTop+10);	
		if (SliderY > ScrollDistance) { 
			SliderY = ScrollDistance;
		}			
	}
	
	ScrollerSlider.style.top = SliderY+"px";
	var ContentY = 0 - (SliderY*(Content.offsetHeight-ContentHolder.offsetHeight)/ScrollDistance);
	Content.style.top = ContentY+"px";
	
	if (SliderY == ScrollDistance || SliderY == 0) {
		clearTimeout(ScrollBarSetTimeOut);	
	} else {
		ScrollBarSetTimeOut = setTimeout('ScrollBarArrows("'+Direction+'","'+ObjectPreFix+'")',50);
	}
}
	
		
// SCROLL FUNCTION		
var Drag = {
	obj : null,
	init : function(o, oRoot, minX, maxX, minY, maxY, bSwapHorzRef, bSwapVertRef, fXMapper, fYMapper)
	{
		o.onmousedown	= Drag.start;
		o.hmode			= bSwapHorzRef ? false : true ;
		o.vmode			= bSwapVertRef ? false : true ;
		o.root = oRoot && oRoot != null ? oRoot : o ;

		if (o.hmode  && isNaN(parseInt(o.root.style.left  ))) o.root.style.left   = "0px";
		if (o.vmode  && isNaN(parseInt(o.root.style.top   ))) o.root.style.top    = "0px";
		if (!o.hmode && isNaN(parseInt(o.root.style.right ))) o.root.style.right  = "0px";
		if (!o.vmode && isNaN(parseInt(o.root.style.bottom))) o.root.style.bottom = "0px";

		o.minX	= typeof minX != 'undefined' ? minX : null;
		o.minY	= typeof minY != 'undefined' ? minY : null;
		o.maxX	= typeof maxX != 'undefined' ? maxX : null;
		o.maxY	= typeof maxY != 'undefined' ? maxY : null;

		o.xMapper = fXMapper ? fXMapper : null;
		o.yMapper = fYMapper ? fYMapper : null;

		o.root.onDragStart	= new Function();
		o.root.onDragEnd	= new Function();
		o.root.onDrag		= new Function();
	},

	start : function(e)
	{
		var o = Drag.obj = this;
		e = Drag.fixE(e);
		var y = parseInt(o.vmode ? o.root.style.top  : o.root.style.bottom);
		var x = parseInt(o.hmode ? o.root.style.left : o.root.style.right );
		o.root.onDragStart(x, y);
		o.lastMouseX	= e.clientX;
		o.lastMouseY	= e.clientY;
		if (o.hmode) {
			if (o.minX != null)	o.minMouseX	= e.clientX - x + o.minX;
			if (o.maxX != null)	o.maxMouseX	= o.minMouseX + o.maxX - o.minX;
		} else {
			if (o.minX != null) o.maxMouseX = -o.minX + e.clientX + x;
			if (o.maxX != null) o.minMouseX = -o.maxX + e.clientX + x;
		}
		if (o.vmode) {
			if (o.minY != null)	o.minMouseY	= e.clientY - y + o.minY;
			if (o.maxY != null)	o.maxMouseY	= o.minMouseY + o.maxY - o.minY;
		} else {
			if (o.minY != null) o.maxMouseY = -o.minY + e.clientY + y;
			if (o.maxY != null) o.minMouseY = -o.maxY + e.clientY + y;
		}

		document.onmousemove	= Drag.drag;
		document.onmouseup		= Drag.end;
		return false;
	},

	drag : function(e)
	{
		e = Drag.fixE(e);
		var o = Drag.obj;
		var ey	= e.clientY;
		var ex	= e.clientX;
		var y = parseInt(o.vmode ? o.root.style.top  : o.root.style.bottom);
		var x = parseInt(o.hmode ? o.root.style.left : o.root.style.right );
		var nx, ny;

		if (o.minX != null) ex = o.hmode ? Math.max(ex, o.minMouseX) : Math.min(ex, o.maxMouseX);
		if (o.maxX != null) ex = o.hmode ? Math.min(ex, o.maxMouseX) : Math.max(ex, o.minMouseX);
		if (o.minY != null) ey = o.vmode ? Math.max(ey, o.minMouseY) : Math.min(ey, o.maxMouseY);
		if (o.maxY != null) ey = o.vmode ? Math.min(ey, o.maxMouseY) : Math.max(ey, o.minMouseY);

		nx = x + ((ex - o.lastMouseX) * (o.hmode ? 1 : -1));
		ny = y + ((ey - o.lastMouseY) * (o.vmode ? 1 : -1));
		
		if (o.xMapper)		nx = o.xMapper(y)
		else if (o.yMapper)	ny = o.yMapper(x)

		Drag.obj.root.style[o.hmode ? "left" : "right"] = nx + "px";
		Drag.obj.root.style[o.vmode ? "top" : "bottom"] = ny + "px";
		Drag.obj.lastMouseX	= ex;
		Drag.obj.lastMouseY	= ey;

		Drag.obj.root.onDrag(nx, ny);
		return false;
	},

	end : function()
	{
		document.onmousemove = null;
		document.onmouseup   = null;	
		Drag.obj.root.onDragEnd(	parseInt(Drag.obj.root.style[Drag.obj.hmode ? "left" : "right"]), 
									parseInt(Drag.obj.root.style[Drag.obj.vmode ? "top" : "bottom"]));
		Drag.obj = null;
	},

	fixE : function(e)
	{
		if (typeof e == 'undefined') e = window.event;
		if (typeof e.layerX == 'undefined') e.layerX = e.offsetX;
		if (typeof e.layerY == 'undefined') e.layerY = e.offsetY;
		return e;
	}
};