<div class="codetitle"> <span><a style="CURSOR: pointer" data="74909" class="copybut" id="copybut74909" onclick="doCopy('code74909')"><u>复制代码</u></a></span> 代码如下:</div> <div class="codebody" id="code74909"> <br><script language="javascript"> <BR>var MAX_INDEX=4; <BR>function change(ddd) <BR>{ <BR>if(ddd.style.zIndex<= MAX_INDEX) <BR>{ <BR>ddd.style.zIndex = MAX_INDEX+1; <BR>MAX_INDEX++; <BR>} <BR>} <BR></script> <br><div id="layer1" onclick="javascript:change(this);" style="position:absolute;margin-left:100;margin-top:50px;margin-=100;width=100;height=100;background-color:#ff0000;z-index:1"></div> <br><div id="layer2" onclick="javascript:change(this);" style="position:absolute;margin-left:120;margin-top:60px;margin-=120;width=100;height=100;background-color:#00ff00;z-index:2"></div> <br><div id="layer3" onclick="javascript:change(this);" style="position:absolute;margin-left:140;margin-top:70px;margin-=140;width=100;height=100;background-color:#0000ff;z-index:3"></div> <br><div id="layer4" onclick="javascript:change(this);" style="position:absolute;margin-left:160;margin-top:80px;margin-=160;width=100;height=100;background-color:#000000;z-index:4"></div> <br> </div>
