<html>
<head>
<script language=javascript>
var sp;
function setSpan()
{
addEvent(document,"click",clearBgColor);
sp=document.getElementsByTagName("SPAN");
for(var i=0;i<sp.length;i++)
{
addEvent(sp[i],"dblclick",selectVal);
}
}
function selectVal(e)
{
clearBgColor();
e = e || window.event;
var obj = fixElement(e);
obj.style.background="#3165B1";//颜色可以自己改
//可以自己在这里加上复制span innerText的句子,如果不会可以回复告诉我
}
function clearBgColor()
{
for(var i=0;i<sp.length;i++)
{
sp[i].style.background="";
}
}
function fixElement(e){
var e;
return e.target?(e.target.nodeType==3?e.target.parentNode:e.target):e.srcElement;
}
function addEvent( obj, type, fn ) {
if (obj.addEventListener)
obj.addEventListener( type, fn, false );
else if (obj.attachEvent) {
obj["e"+type+fn] = fn;
obj.attachEvent( "on"+type, function() { obj["e"+type+fn](); } );
}
}