判斷是否是字符 
if (/[^/x00-/xff]/g.test(s)) alert("含有漢字"); 

點(diǎn)擊刷新代碼:
<form>
<p><input TYPE="button" VALUE="刷新按鈕一" ONCLICK="ReloadButton()"></p>
</form>
<script language="JavaScript"><!--
function ReloadButton(){location.href="allbutton.htm";}
// --></script>

讓層不被控件復(fù)蓋代碼:
<div z-Index:2><object xxx></object></div> ＃ 前面 
<div z-Index:1><object xxx></object></div> ＃ 后面 
<div id="Layer2" style="position:absolute; top:40;width:400px; height:95px;z-index:2"><table height=100% width=100% bgcolor="#ff0000"><tr><td height=100% width=100%></td></tr></table><iframe width=0 height=0></iframe></div>
<div id="Layer1" style="position:absolute; top:50;width:200px; height:115px;z-index:1"><iframe height=100% width=100%></iframe></div> 

讓層的相對(duì)定位 
<div id="Layer1" style="position:relative; left:0px; top:0px; width:0px; height:0px;z-index:1"> 
<div id="Layer2" style="position:absolute; left:500px; top:0px; width:220px; height:220px; z-index:1"> 
內(nèi)容
</div></div>

Flash代碼以及背景透明
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="200" height="200">
<param name="movie" value="文件">
<param name="quality" value="high">
<param name="wmode" value="transparent">
<embed src="images/fish.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="220" height="220"></embed></object> 

Windows Media Player 播放器
<OBJECT id=MediaPlayer1 
style="LEFT: 0px; VISIBILITY: visible; POSITION: absolute; TOP: 0px;z-index:2" 
codeBase=http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701standby=

Loading 
type=application/x-oleobject height=300 width=320 
classid=CLSID:6BF52A52-394A-11d3-B153-00C04F79FAA6 VIEWASTEXT>
<PARAM NAME="URL" VALUE="地址">

<param name="AudioStream" value="-1">
<param name="AutoSize" value="0">
<param name="AutoStart" value="-1">
<param name="AnimationAtStart" value="0">
<param name="AllowScan" value="-1">
<param name="AllowChangeDisplaySize" value="-1">
<param name="AutoRewind" value="0">
<param name="Balance" value="0">
<param name="BaseURL" value>
<param name="BufferingTime" value="5">
<param name="CaptioningID" value>
<param name="ClickToPlay" value="-1">
<param name="CursorType" value="0">
<param name="CurrentPosition" value="-1">
<param name="CurrentMarker" value="0">
<param name="DefaultFrame" value>
<param name="DisplayBackColor" value="0">
<param name="DisplayForeColor" value="16777215">
<param name="DisplayMode" value="0">
<param name="DisplaySize" value="4">
<param name="Enabled" value="-1">
<param name="EnableContextMenu" value="-1">
<param name="EnablePositionControls" value="0">
<param name="EnableFullScreenControls" value="0">
<param name="EnableTracker" value="-1">
<param name="InvokeURLs" value="-1">
<param name="Language" value="-1">
<param name="Mute" value="0">
<param name="PlayCount" value="1">
<param name="PreviewMode" value="0">
<param name="Rate" value="1">
<param name="SAMILang" value>
<param name="SAMIStyle" value>
<param name="SAMIFileName" value>
<param name="SelectionStart" value="-1">
<param name="SelectionEnd" value="-1">
<param name="SendOpenStateChangeEvents" value="-1">
<param name="SendWarningEvents" value="-1">
<param name="SendErrorEvents" value="-1">
<param name="SendKeyboardEvents" value="0">
<param name="SendMouseClickEvents" value="0">
<param name="SendMouseMoveEvents" value="0">
<param name="SendPlayStateChangeEvents" value="-1">
<param name="ShowCaptioning" value="0">
<param name="ShowControls" value="-1">
<param name="ShowAudioControls" value="-1">
<param name="ShowDisplay" value="0">
<param name="ShowGotoBar" value="0">
<param name="ShowPositionControls" value="-1">
<param name="ShowStatusBar" value="-1">
<param name="ShowTracker" value="-1">
<param name="TransparentAtStart" value="-1">
<param name="VideoBorderWidth" value="0">
<param name="VideoBorderColor" value="0">
<param name="VideoBorder3D" value="0">
<param name="Volume" value="70">
<param name="WindowlessVideo" value="0">
</OBJECT>


RealPlayer 播放器
<object id=video1 classid=" clasid:CFCDAA03-8BE4-11CF-B84B-0020AFBBCCFA" 
width=320 height=240 align="middle">
<param name="controls" value="inagewindow">
<param name="console" value="chicp1">
<param name="autostar" value="true">
<param name="src" value="地址">
<embed 
src="地址" 
type="audio/x-pn-realaudio-plugin" console="chip1" 
controls="imagewindow" width=320 height=240 autostart=true align="middle">
</embed> 
</object>

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