//高亮网页关键字的javascript代码  var keys = [               ["脚本",http://www.1sucai.cn,"#ff0000"],               ["小说",http://www.kanshule.com,"#00ff00"],               ["念经","http://www.baidu.com","#0000ff"],               ["工会","http://www.baidu.com","#cc6600"]             ]  var bookmark;  if(document.createRange){      var range = document.createRange();  }else{      var range = document.body.createTextRange();      bookmark = range.getBookmark();  }  var key;  for(var i = 0;key = keys[i];i++){      if(range.findText){          range.collapse(true);          range.moveToBookmark(bookmark);          while(range.findText(key[0])){              range.pasteHTML(range.text.fontcolor(key[2]));          }      }else{          var s,n;          s = window.getSelection();          s.collapse(document.body,0);          while(window.find(key[0])){              var n = document.createElement("SPAN");              n.style.color=key[2];              s.getRangeAt(0).surroundContents(n);          }      }  }