HtmlContentEditor    = {
    mode: "specific_textareas",
    plugins: "spellchecker",
    theme: "advanced",
    theme_advanced_toolbar_location: "top",
    theme_advanced_toolbar_align : "left",
    theme_advanced_buttons1: "styleselect,bold,italic,underline,separator,undo,redo,separator,justifyleft,justifycenter,justifyright,justifyfull,separator,bullist,numlist,forecolor,image,code,anchor,html,link,unlink,spellchecker,dynamicfield",
    theme_advanced_buttons2: "",
    theme_advanced_buttons3: "",
    convert_urls: false,
    theme_advanced_statusbar_location: "bottom",
    theme_advanced_path: false,
    theme_advanced_resize_horizontal: false,
    theme_advanced_resizing: true,
    theme_advanced_styles : "Standard Text=TextStandard;Header 1=header1;Header 2=header2;Header 3=header3;",
    cleanup_on_startup: true,
    convert_fonts_to_spans : true,
    apply_source_formatting: true,
    extended_valid_elements: "object[width|height],param[name|value],embed[src|type|wmode|width|height]",
    width: "100%", 
    height: 580,
    relative_urls: false
};
Tiny.addConfig('HtmlContent',HtmlContentEditor);