jquery1.4后 jqDrag 拖动 不可用

(function($){
$.fn.jqDrag=function(h){return i(this,h,d);};
$.fn.jqResize=function(h){return i(this,h,r);};
$.jqDnR={dnr:{},e:0,
drag:function(v){
if(M.k == d)E.css({left:M.X+v.pageX-M.pX,top:M.Y+v.pageY-M.pY});
else E.css({width:Math.max(v.pageX-M.pX+M.W,0),height:Math.max(v.pageY-M.pY+M.H,0)});
return false;},
stop:function(){E.css(opacity,M.o);$().unbind(mousemove,J.drag).unbind(mouseup,J.stop);}
};
var J=$.jqDnR,M=J.dnr,E=J.e,
i=function(e,h,k){return e.each(function(){h=(h)?$(h,e):e;
h.bind(mousedown,{e:e,k:k},function(v){var d=v.data,p={};E=d.e;
// attempt utilization of dimensions plugin to fix IE issues
if(E.css(position) != relative){try{E.position(p);}catch(e){}}
M={X:p.left||f(left)||0,Y:p.top||f(top)||0,W:f(width)||E[0].scrollWidth||0,H:f(height)||E[0].scrollHeight||0,pX:v.pageX,pY:v.pageY,k:d.k,o:E.css(opacity)};
E.css({opacity:0.8});$().mousemove($.jqDnR.drag).mouseup($.jqDnR.stop);
return false;
});
});},
f=function(k){return parseInt(E.css(k))||false;};
})(jQuery);

(function($){
$.fn.jqDrag=function(h){return i(this,h,d);};
$.fn.jqResize=function(h){return i(this,h,r);};
$.jqDnR={dnr:{},e:0,
drag:function(v){
if(M.k == d)E.css({left:M.X+v.pageX-M.pX,top:M.Y+v.pageY-M.pY});
else E.css({width:Math.max(v.pageX-M.pX+M.W,0),height:Math.max(v.pageY-M.pY+M.H,0)});
return false;},
stop:function(){E.css(opacity,M.o);$(document).unbind(mousemove,J.drag).unbind(mouseup,J.stop);}
};
var J=$.jqDnR,M=J.dnr,E=J.e,
i=function(e,h,k){return e.each(function(){h=(h)?$(h,e):e;
h.bind(mousedown,{e:e,k:k},function(v){var d=v.data,p={};E=d.e;
// attempt utilization of dimensions plugin to fix IE issues
if(E.css(position) != relative){try{E.position(p);}catch(e){}}
M={X:p.left||f(left)||0,Y:p.top||f(top)||0,W:f(width)||E[0].scrollWidth||0,H:f(height)||E[0].scrollHeight||0,pX:v.pageX,pY:v.pageY,k:d.k,o:E.css(opacity)};
E.css({opacity:0.8});$(document).mousemove($.jqDnR.drag).mouseup($.jqDnR.stop);
return false;
});
});},
f=function(k){return parseInt(E.css(k))||false;};
})(jQuery);