if (typeof addEvent != 'function') {
	var addEvent = function(o, t, f, l) {
		var d = 'addEventListener', n = 'on' + t, rO = o, rT = t, rF = f, rL = l;
		if (o[d] && !l)
			return o[d](t, f, false);
		if (!o._evts)
			o._evts = {};
		if (!o._evts[t]) {
			o._evts[t] = o[n] ? {
				b :o[n]
			} : {};
			o[n] = new Function(
					'e',
					'var r=true,o=this,a=o._evts["' + t + '"],i;for(i in a){o._f=a[i];r=o._f(e||window.event)!=false&&r;o._f=null}return r');
			if (t != 'unload')
				addEvent(window, 'unload', function() {
					removeEvent(rO, rT, rF, rL)
				})
		}
		if (!f._i)
			f._i = addEvent._i++;
		o._evts[t][f._i] = f
	};
	addEvent._i = 1;
	var removeEvent = function(o, t, f, l) {
		var d = 'removeEventListener';
		if (o[d] && !l)
			return o[d](t, f, false);
		if (o._evts && o._evts[t] && f._i)
			delete o._evts[t][f._i]
	}
}
function cancelEvent(e, c) {
	e.returnValue = false;
	if (e.preventDefault)
		e.preventDefault();
	if (c) {
		e.cancelBubble = true;
		if (e.stopPropagation)
			e.stopPropagation()
	}
};
function DragResize(myName, config) {
	var props = {
		myName :myName,
		enabled :true,
		handles : [ 'tl', 'tm', 'tr', 'ml', 'mr', 'bl', 'bm', 'br' ],
		isElement :null,
		isHandle :null,
		element :null,
		handle :null,
		minWidth :10,
		minHeight :10,
		minLeft :0,
		maxLeft :9999,
		minTop :0,
		maxTop :9999,
		zIndex :1,
		mouseX :0,
		mouseY :0,
		lastMouseX :0,
		lastMouseY :0,
		mOffX :0,
		mOffY :0,
		elmX :0,
		elmY :0,
		elmW :0,
		elmH :0,
		allowBlur :true,
		ondragfocus :null,
		ondragstart :null,
		ondragmove :null,
		ondragend :null,
		ondragblur :null
	};
	for ( var p in props)
		this[p] = (typeof config[p] == 'undefined') ? props[p] : config[p]
};
DragResize.prototype.apply = function(node) {
	var obj = this;
	addEvent(node, 'mousedown', function(e) {
		obj.mouseDown(e)
	});
	addEvent(node, 'mousemove', function(e) {
		obj.mouseMove(e)
	});
	addEvent(node, 'mouseup', function(e) {
		obj.mouseUp(e)
	})
};
DragResize.prototype.select = function(newElement) {
	with (this) {
		if (!document.getElementById || !enabled)
			return;
		if (newElement && (newElement != element) && enabled) {
			element = newElement;
			element.style.zIndex = ++zIndex;
			if (this.resizeHandleSet)
				this.resizeHandleSet(element, false);
			elmX = parseInt(element.style.left);
			elmY = parseInt(element.style.top);
			elmW = element.offsetWidth;
			elmH = element.offsetHeight;
			if (ondragfocus)
				this.ondragfocus()
		}
	}
};
DragResize.prototype.deselect = function(delHandles) {
	with (this) {
		if (!document.getElementById || !enabled)
			return;
		if (delHandles) {
			if (ondragblur)
				this.ondragblur();
			if (this.resizeHandleSet)
				this.resizeHandleSet(element, false);
			element = null
		}
		handle = null;
		mOffX = 0;
		mOffY = 0
	}
};
DragResize.prototype.mouseDown = function(e) {
	with (this) {
		if (!document.getElementById || !enabled)
			return true;
		var elm = e.target || e.srcElement, newElement = null, newHandle = null, hRE = new RegExp(
				myName + '-([trmbl]{2})', '');
		while (elm) {
			if (elm.className) {
				if (!newHandle && (hRE.test(elm.className) || isHandle(elm)))
					newHandle = elm;
				if (isElement(elm)) {
					newElement = elm;
					break
				}
			}
			elm = elm.parentNode
		}
		if (element && (element != newElement) && allowBlur)
			deselect(true);
		if (newElement && (!element || (newElement == element))) {
			if (newHandle)
				cancelEvent(e);
			select(newElement, newHandle);
			handle = newHandle;
			if (handle && ondragstart)
				this.ondragstart(hRE.test(handle.className))
		}
	}
};
DragResize.prototype.mouseMove = function(e) {
	with (this) {
		if (!document.getElementById || !enabled)
			return true;
		mouseX = e.pageX || e.clientX + document.documentElement.scrollLeft;
		mouseY = e.pageY || e.clientY + document.documentElement.scrollTop;
		var diffX = mouseX - lastMouseX + mOffX;
		var diffY = mouseY - lastMouseY + mOffY;
		mOffX = mOffY = 0;
		lastMouseX = mouseX;
		lastMouseY = mouseY;
		if (!handle)
			return true;
		var isResize = false;
		if (this.resizeHandleDrag && this.resizeHandleDrag(diffX, diffY)) {
			isResize = true
		} else {
			var dX = diffX, dY = diffY;
			if (elmX + dX < minLeft)
				mOffX = (dX - (diffX = minLeft - elmX));
			else if (elmX + elmW + dX > maxLeft)
				mOffX = (dX - (diffX = maxLeft - elmX - elmW));
			if (elmY + dY < minTop)
				mOffY = (dY - (diffY = minTop - elmY));
			else if (elmY + elmH + dY > maxTop)
				mOffY = (dY - (diffY = maxTop - elmY - elmH));
			elmX += diffX;
			elmY += diffY
		}
		with (element.style) {
			left = elmX + 'px';
			//width = elmW + 'px';
			top = elmY + 'px';
			//height = elmH + 'px'
		}
		if (window.opera && document.documentElement) {
			var oDF = document.getElementById('op-drag-fix');
			if (!oDF) {
				var oDF = document.createElement('input');
				oDF.id = 'op-drag-fix';
				oDF.style.display = 'none';
				document.body.appendChild(oDF)
			}
			oDF.focus()
		}
		if (ondragmove)
			this.ondragmove(isResize);
		cancelEvent(e)
	}
};
DragResize.prototype.mouseUp = function(e) {
	with (this) {
		if (!document.getElementById || !enabled)
			return;
		var hRE = new RegExp(myName + '-([trmbl]{2})', '');
		if (handle && ondragend)
			this.ondragend(hRE.test(handle.className));
		deselect(false)
	}
};
DragResize.prototype.resizeHandleSet = function(elm, show) {
	
};
DragResize.prototype.resizeHandleDrag = function(diffX, diffY) {
	with (this) {
		var hClass = handle && handle.className
				&& handle.className.match(new RegExp(myName + '-([tmblr]{2})')) ? RegExp.$1
				: '';
		var dY = diffY, dX = diffX, processed = false;
		if (hClass.indexOf('t') >= 0) {
			rs = 1;
			if (elmH - dY < minHeight)
				mOffY = (dY - (diffY = elmH - minHeight));
			else if (elmY + dY < minTop)
				mOffY = (dY - (diffY = minTop - elmY));
			elmY += diffY;
			elmH -= diffY;
			processed = true
		}
		if (hClass.indexOf('b') >= 0) {
			rs = 1;
			if (elmH + dY < minHeight)
				mOffY = (dY - (diffY = minHeight - elmH));
			else if (elmY + elmH + dY > maxTop)
				mOffY = (dY - (diffY = maxTop - elmY - elmH));
			elmH += diffY;
			processed = true
		}
		if (hClass.indexOf('l') >= 0) {
			rs = 1;
			if (elmW - dX < minWidth)
				mOffX = (dX - (diffX = elmW - minWidth));
			else if (elmX + dX < minLeft)
				mOffX = (dX - (diffX = minLeft - elmX));
			elmX += diffX;
			elmW -= diffX;
			processed = true
		}
		if (hClass.indexOf('r') >= 0) {
			rs = 1;
			if (elmW + dX < minWidth)
				mOffX = (dX - (diffX = minWidth - elmW));
			else if (elmX + elmW + dX > maxLeft)
				mOffX = (dX - (diffX = maxLeft - elmX - elmW));
			elmW += diffX;
			processed = true
		}
		return processed
	}
};

var dragresize = new DragResize('dragresize',
{ minWidth: 0, minHeight: 0, minLeft: 0, minTop: 0, maxLeft: 10000, maxTop: 10000 });

dragresize.isElement = function(elm)
{
 if (elm.className && elm.className.indexOf('drsElement') > -1) return true;
};
dragresize.isHandle = function(elm)
{
 if (elm.className && elm.className.indexOf('drsMoveHandle') > -1) return true;
};