Change pictiure on drag and drop with jquery, ajax?

Change pictiure on drag and drop with jquery, ajax? I have two pictures I want to make it so when i drag one i can change the other to it. with jquery. and using ph开发者_JAVA技巧p to cahnge it in mysql?

You can check out my answer to Enhancing a Jquery drag-and-drop demo Basically you can change what is dragged by specifying a "helper." The helper tells jquery what to show while dragging. Then, there should be something you can override on drop. I won't be any help for you on the php and mysql.