rem: "_blank", "chrome", this, sels[0]); 
add: "_blank", "chrome", this, sel); 
context:   cmdEvalExpr: function()  {    var sels = this.mTree.selectedItems;    if (sels.length > 0) {      var win = openDialog("chrome://inspector/content/viewers/jsObject/evalExprDialog.xul",                            "_blank", "chrome", this, sels[0]);    }  },  
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/d38a0937d9c93a0a9d913e2ac781e4328bb8cc73/jsObject.js/clean/extensions/inspector/resources/content/viewers/jsObject/jsObject.js