JavaScript gets FCK editor information

function getEditorContents(){ 
    var oEditor = FCKeditorAPI.GetInstance("content"); 
    alert(oEditor.GetXHTML(true)); 
} 
//向编辑器插入指定代码 
function insertHTMLToEditor(codeStr){ 
    var oEditor = FCKeditorAPI.GetInstance("content"); 
    if (oEditor.EditMode==FCK_EDITMODE_WYSIWYG){ 
     oEditor.InsertHtml(codeStr); 
    }else{ 
     return false; 
    } 
} 
//统计编辑器中内容的字数 www.2cto.com
function getLength(){ 
    var oEditor = FCKeditorAPI.GetInstance("content"); 
    var oDOM = oEditor.EditorDocument; 
    var iLength ; 
    if(document.all){ 
     iLength = oDOM.body.innerText.length; 
    }else{ 
     var r = oDOM.createRange(); 
     r.selectNodeContents(oDOM.body); 
     iLength = r.toString().length; 
    } 
    alert(iLength); 
} 
//执行指定动作 
function ExecuteCommand(commandName){ 
    var oEditor = FCKeditorAPI.GetInstance("content") ; 
    oEditor.Commands.GetCommand(commandName).Execute() ; 
} 
//设置编辑器中内容 
function SetContents(codeStr){ 
    var oEditor = FCKeditorAPI.GetInstance("content") ; 
    oEditor.SetHTML(codeStr) ; 
}