一个完整的类似ctrl+f的功能

一个完整的类似ctrl+f的功能
<style type=text/css> 

BODY { 

FONT-FAMILY: "宋体","Arial","Times New Roman"; FONT-SIZE: 12px; LETTER-SPACING: 1pt; LINE-HEIGHT: 22px; MARGIN-LEFT: 5pt; MARGIN-TOP: 5pt 

} 

#scontentmain { 

BACKGROUND-IMAGE: url(http://www.jzzy.com/photo/pc0415.gif); HEIGHT: 30px; POSITION: absolute; TOP: 28px; WIDTH: 228px 

} 

#scontentbar { 

BORDER-BOTTOM: black 1px solid; BORDER-LEFT: black 1px solid; BORDER-RIGHT: black 1px solid; BORDER-TOP: black 1px solid; CURSOR: hand; HEIGHT: 15px; PADDING-BOTTOM: 1px; PADDING-LEFT: 1px; PADDING-RIGHT: 1px; PADDING-TOP: 1px; POSITION: absolute; TOP: 5px;
WIDTH: 100% 

} 

#scontentsub { 

POSITION: absolute; TOP: 28px; WIDTH: 100% 

} 

A.a1:hover { 

BORDER-BOTTOM: #4a8ff2 1px solid; BORDER-LEFT: #4a8ff2 1px solid; BORDER-RIGHT: #4a8ff2 1px solid; BORDER-TOP: #4a8ff2 1px solid; LINE-HEIGHT: 13pt; WIDTH: 83px; 12px;: 1869FE; align: center 

} 

A.a1:link { 

COLOR: #ffffff; TEXT-DECORATION: none; 12px;align: center 

} 

TD { 

FONT-SIZE: 12px 

} 

.pos { 

POSITION: relative 

} 

</style> 

<SCRIPT language=JavaScript> 

/*** DownLoad.PcHome.net Online Search Engine ***/ 

/*** Author:Yoo Lee ***/ 

/*** Version:1.0 2001/06/04 ***/ 

var dragapproved=false 

var zcor,xcor,ycor 

function drag_onclick() { 

if (search1.drag.checked == true ) dragapproved=false 

else dragapproved=true 

} 

function movescontentmain(){ 

if (event.button==1&&dragapproved&&search1.drag.checked == true){ 

zcor.style.pixelLeft=tempvar1+event.clientX-xcor 

zcor.style.pixelTop=tempvar2+event.clientY-ycor 

leftpos=document.all.scontentmain.style.pixelLeft-document.body.scrollLeft 

toppos=document.all.scontentmain.style.pixelTop-document.body.scrollTop 

return false 

} 

} 

function dragscontentmain(){ 

if (!document.all) 

return 

if (event.srcElement.id=="scontentbar"){ 

dragapproved=true 

zcor=scontentmain 

tempvar1=zcor.style.pixelLeft 

tempvar2=zcor.style.pixelTop 

xcor=event.clientX 

ycor=event.clientY 

document.onmousemove=movescontentmain 

} 

} 

document.onmousedown=dragscontentmain 

document.onmouseup=new Function("dragapproved=false") 

function aa(e) 

{ 

if (e==0) alert("\n-　　= 页面字符搜索引擎 1.0 测试版 = \n\n-　　 电脑之家 版权所有\n\n- 重写了部分代码\n- 修正鼠标拖动跳跃的bug，\n- 保留选择可否拖动……\n\n- 其他功能正在测试中！\n\n"); 

return; 

} 

function cose() 

{ 

if(confirm("即将关闭此窗口，如确认请按确定！\n\n如要重开此窗口请刷新页面。")) 

scontentmain.style.display='none' 

else 

scontentmain.style.display='' 

} 

//screen.width,screen.height 

document.write('<div id="scontentmain"><form name="search1" onSubmit="return findInPage(this.Word.value);"><div id="scontentbar"> <img src="http://www.jzzy.com/photo/alt0415.gif" alt="帮助" border="0" onClick="aa(0)"><img src="http://www.jzzy.com/photo/usr0415.gif"
usemap="#Map" border="0"><map name="Map"><area shape="rect" coords="20,0,40,20" alt="最大化" onclick="offdisplay()"><area shape="rect" coords="0,0,20,20" alt="最小化" onclick="ondisplay()"><area shape="rect" shape="rect" coords="34,0,60,19" alt="关闭" onclick="cose()"></map></div><div
id="scontentsub"" style="visibility: show"><table width="228" border="1" cellpadding="2" cellspacing="0" bordercolorlight="#000000" bordercolordark="#FFFFFF" bgcolor="#0099CC" class=font1>