rem: + ((gToolbox.boxObject.width - parseInt(document.documentElement.style.width)) / 2); 
add: + ((gToolbox.boxObject.width - width) / 2); 
context: function repositionDialog(){  // Position the dialog touching the bottom of the toolbox and centered with   // it.  var screenX = gToolbox.boxObject.screenX                 + ((gToolbox.boxObject.width                     - parseInt(document.documentElement.style.width)) / 2);  var screenY = gToolbox.boxObject.screenY + gToolbox.boxObject.height;  window.moveTo(screenX, screenY);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/f2c04e868896a8ac44d5cdffcc332d2ee8df05c1/customizeToolbar.js/clean/toolkit/content/customizeToolbar.js