var position;

	position = getScrollOffset();

	var jws = {

		position : position,

		obj : null,

		startup : function() {

			jws.debug('jws.startup()');

			var divs = document.getElementsByTagName('div');

			if(IE) { position = document.body.scrollTop; }

			else   { position = window.pageYOffset; }

			for(i=0;i<divs.length;i++) {

				if(divs[i].id && divs[i].id.substr(0, 4) == 'root') {

					divs[i].onClick = 'jws.focus(\''+divs[i].id+'\')';

					var tb = i + 1

					tb = divs[tb];

					tb.innerHTML = '<table border="0" width="100%"><tr><td>' + tb.innerHTML + '</td><td align="right"><div align="center" class="closebtn" onclick="jws.closeWin(\''+divs[i].id+'\');">X</div></td></tr></table>';

					divs[i].style.width = '640px';

					divs[i].style.height = '480px';

					Drag.init(tb, divs[i]);

				}

			}

		},

		initWindow : function(o) {

			jws.debug('jws.initWindow('+o+' ['+o.id+'])');

			var divs = document.getElementsByTagName('div');

			for(i=0;i<divs.length;i++) {

				if(divs[i].id && divs[i].id == o.id) {

					var tb = i + 1

					tb = divs[tb];

					tb.innerHTML = '<table border="0" width="100%"><tr><td>' + tb.innerHTML + '</td><td align="right"><div class="closebtn" onclick="jws.closeWin(\''+divs[i].id+'\');"></div></td></tr></table>';

					divs[i].style.width = '640px';

					divs[i].style.height = '480px';

					Drag.init(tb, divs[i]);

				}

			}

		},

		closeWin : function(id) {

			jws.debug('jws.closeWin(\''+id+'\')');

			document.getElementById(id).style.display = 'none';

			enlighten();

		},

		openWin : function(id, x, y) {

			darken();

			var e = document.getElementById(id);

			if(!x) x = 640;

			if(!y) y = 480;

			jws.debug('jws.openWin(\''+id+'\', '+x+', '+y+')');

			e.style.display = 'block';

			e.style.width   = x+'px';

			e.style.height  = y+'px';

			var divs = document.getElementsByTagName('div');

			for(i=0;i<divs.length;i++) {

				if(divs[i].id && divs[i].id == e.id) {

					var cn = i + 3;

					cn = divs[cn];

					var h = getElementHeight(e.id) - 53;

					var w = getElementWidth(cn.id) - 20;

					cn.style.width   =  w + 'px';

					cn.style.height  =  h + 'px';

					cn.style.clip.top = 0 + 'px';

					cn.style.clip.left = 0 + 'px';

					cn.style.clip.right =  w + 'px';

					cn.style.clip.bottom = h + 'px';

					cn.style.overflow = 'auto';

				}

			}

			jws.setpos(id);

			jws.focus(id);

		},

		setpos : function(el) {

			jws.debug('jws.setpos(\''+el+'\')');

			el = document.getElementById(el);

			var w = getWidth();

			var h = getHeight();

			var ew = getElementWidth(el.id);

			var eh = getElementHeight(el.id);

			px = (w/2) - (ew/2);

			py = (h/2) - (eh/2);

			if (IE) { position = document.body.scrollTop; }

			else    { position = window.pageYOffset; }

			py=py+0;

			if ( IE )

				el.style.position = "absolute";

			else

				el.style.position = "fixed";

			el.style.left=px+'px';

			el.style.top =py+'px';

		},

		scrollHandler : function() {

			var divs = document.getElementsByTagName('div');

			for(i=0;i<divs.length;i++) {

				if(divs[i].id && divs[i].id.substr(0, 4) == 'root' && divs[i].style.display == 'block') {

					c = divs[i];

					jws.debug('jws.scrollHandler(): moving element: '+c.id);

					var t = c.style.top;

					var py = t.substr(0, t.length - 2);

					py = parseInt(py);

					if(jws.position) { py = py - jws.position; }

					position = getScrollOffset();

					py=py+position;                                                           

					c.style.position = "absolute";

					if(!isNaN(py)) c.style.top =py+'px';

					jws.debug('jws.scrollHandler(): value of py: '+py);

				}

			}

			jws.position = position;

		},

		focus : function(e) {

			e = document.getElementById(e);

			if(e.style.zindex) z = e.style.zindex;

			else z = 1;

			z=z+5;

			e.style.zIndex = z;

		},

		debug : function(t) {

			if(document.getElementById('jsw-debug-console')) {

				dbg = document.getElementById('jsw-debug-console');

				debugdata = dbg.innerHTML;

				dbg.innerHTML = debugdata+"<br />"+t;

			}

		}

	} // class jws

	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 = getMouseXY;

		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;

	}