rem: window.openDialog(  "chrome: "_blank", "scrollbars,resizable,chrome,dialog=no", this.target.ownerDocument.location.href); 
add: window.openDialog(  "chrome: "_blank", "scrollbars,resizable,chrome,dialog=no", this.target.ownerDocument.location.href, "charset=" + this.target.ownerDocument.characterSet); 
context:     viewFrameSource : function () {    window.openDialog(  "chrome://navigator/content/viewSource.xul",                        "_blank",                        "scrollbars,resizable,chrome,dialog=no",                        this.target.ownerDocument.location.href);    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/b79a41789cb778884727542964814c0432007487/nsContextMenu.js/buggy/suite/common/nsContextMenu.js