修改
A573R288.js 


window.ComponentArt_StartNodeDrag=function(e,o,_55,_56){if(cart_browser_ie){if(e.button==2){return true;}}else{if(e.which==3){return true;}}if(e.button=="1" || !cart_browser_ie){if(_55.SelectedNode&&_55.SelectedNode.IsEditing){return false;}ComponentArt_CancelEvent(e);var obj=o;while(obj.nodeName!="TD"){obj=obj.parentNode;}if(obj.onmouseout){obj.onmouseout();}var _58=obj;while(_58.nodeName!="TABLE"){_58=_58.parentNode;}if(_58.onmouseout){_58.onmouseout();}_qF4=_55.GetItemFromStorage(_56);_qF6=_58;_q100=document.getElementById(_55.TreeViewID);var _59=0;var _5a=0;try{_59=cart_browser_ie?event.offsetX:e.pageX-_q85(o)+_q100.scrollLeft;_5a=cart_browser_ie?event.offsetY:e.pageY-_q86(o)+_q100.scrollTop;}catch(ex){}_q133(e,null,1,_59,_5a,ComponentArt_NodeBeginDrag,_q157,_q158,1,1);_qF9=false;_qFB=null;_q195();return false;}};