如何实现划词取字或者光标停留取字?

我找到相关的, 
划词搜索功能
http://net.stuun.com/web/Javascript/44673.html不过它不支援 Firefox, 只支援IE
有谁可以改成支持大部份浏览器

解决方案 »

  1.   

    支持IE6 和 FF3.0.7<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 
    <html> 
    <head> 
    <title>Untitled Document</title> 
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> 
    </head> 
    <body> <SCRIPT language=javascript>
    <!--
    window.onload=adddiv;
    document.onmousedown=function(e){recordobj(e)};
    document.ondblclick=dbclick;
    document.onmouseup=function(e){showselect(e)};
    var starobj,isdb=false,allow=true;
    function isallow(){
    if(allow){
    allow=false;
    alert('is closed');
    }else{
    allow=true;
    alert('is opend');
    }
    }
    function dbclick(){
    isdb=true;
    }
    function recordobj(e){
    e = e || window.event;
    starobj = e.srcElement || e.target;
    }
    function showselect(e){
    e = e || window.event;
    theobj = e.srcElement || e.target;
    var str="[^.]";
    if(theobj.tagName != "A" && theobj.tagName != "INPUT" && theobj == starobj && !isdb && allow) {
    if(document.all){
    var oText = document.selection.createRange();
    if(oText.text.length>0){
    str=oText.text;
    oText.text = oText.text;
    }
    oText.select();
    }else{
    str = document.getSelection();
    }
    theobj.innerHTML = theobj.innerHTML
    .replace(new RegExp(str,"gi"),"<u style='FONT-WEIGHT: bold;COLOR: #ff3366'>" + str + "</u>");
    }
    searchgoogle(str,e);
    isdb=false;
    }
    function searchgoogle(str,e){
    var obj = document.getElementById("searchgoogle");
    if(str.length>0){
    obj.style.display="block";
    obj.style.position="absolute";
    obj.style.zIndex=999;
    obj.style.top=(document.body || document.documentElement).scrollTop + (e.y || e.pageY) - 25 + "px";
    obj.style.left=(document.body || document.documentElement).scrollLeft + (e.x || e.pageX) + 5 + "px";
    obj.style.widht=80;
    obj.innerHTML = "<a target=_blank href=http://www.google.com/search?ie=UTF-8&oe=UTF -8&q="+str+" style='BORDER-RIGHT: royalblue thin solid; BORDER-TOP: royalblue thin solid; FONT-WEIGHT: bold; BORDER-LEFT: royalblue thin solid; CLIP: rect(auto auto auto auto); COLOR: #ffffff; BORDER-BOTTOM: royalblue thin solid; BACKGROUND-COLOR: inactivecaption; TEXT-DECORATION: none'>Search It！</a>";
    }else if(obj){
    obj.style.display = "none";
    }
    }
    function adddiv(){
    var mobj = document.createElement("div");
    mobj.id="searchgoogle";
    (document.body || document.documentElement).appendChild(mobj);
    }
    </SCRIPT>
    <INPUT type="button" onclick="isallow()" value="关闭/打开划词功能"> 
    <p>qrasfdasfasfdasfsafasdfsafsafasdfasdfasd</p> 
    </body> 
    </html>