Y aurait-il des pros du javascript dans l'assistance?

[joshua]

le resultat :

this.id has no properties
refreshDragableBox("premiere")dragable-boxes.js (line 605)
addBoxHeader(div.dragableBoxInner, false, "premiere", undefined)dragable-boxes.js (line 680)
createABox(1, 100, false, "premiere", undefined)dragable-boxes.js (line 735)
createMyBox("premiere")dragable-boxes.js (line 872)
onclick(click clientX=0, clientY=0)dragable-boxes.ph... (line 1)
[Break on this error] var numericId = this.id.replace(/[^0-9]/g,'');