这种就是div切换效果[CODE]<html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>Div切换效果</title><style type="text/css"><!--a{ text-decoration:none; text-transform:none;}.style1 {font-size: 55px}.style2 {font-size: 16px}--></style><script language="javascript"><!--function ShowDiv(idx){ this.DispDiv.innerHTML=this.dLayer[idx].innerHTML;}function Page_Load(){ for(var i=0;i<this.dLayer.length;i++) { this.dLayer[i].style.display="none"; }}--></script></head><body onLoad="Page_Load();"><br><br><br><br><br><br><br><br><table width="324" border="0" cellpadding="0" cellspacing="0"> <!--DWLayoutTable--> <tr> <td width="324" height="14" valign="top"><span class="style2"><a href="#" onClick="this.blur();ShowDiv(0);" target="_self">第一层</a>|<a href="#" onClick="this.blur();ShowDiv(1);" target="_self">第二层</a>|<a href="#" onClick="this.blur();ShowDiv(2);" target="_self">第三层</a></span></td> </tr> <tr> <td height="162" valign="top"><div id="DispDiv" ></div></td> </tr></table><div id="dLayer" ><table width="324" border="0" cellpadding="0" cellspacing="0"> <!--DWLayoutTable--> <tr> <td width="72" height="42"> </td> <td width="186"> </td> <td width="66"> </td> </tr> <tr> <td height="66"> </td> <td valign="center"><div align="center" class="style1">第一层</div></td> <td> </td> </tr> <tr> <td height="54"> </td> <td> </td> <td> </td> </tr></table></div><div id="dLayer" ><table width="324" border="0" cellpadding="0" cellspacing="0"> <!--DWLayoutTable--> <tr> <td width="72" height="42"> </td> <td width="186"> </td> <td width="66"> </td> </tr> <tr> <td height="66"> </td> <td valign="center"><div align="center" class="style1">第二层</div></td> <td> </td> </tr> <tr> <td height="54"> </td> <td> </td> <td> </td> </tr></table></div><div id="dLayer" ><table width="324" border="0" cellpadding="0" cellspacing="0"> <!--DWLayoutTable--> <tr> <td width="72" height="42"> </td> <td width="186"> </td> <td width="66"> </td> </tr> <tr> <td height="66"> </td> <td valign="center"><div align="center" class="style1">第三层</div></td> <td> </td> </tr> <tr> <td height="54"> </td> <td> </td> <td> </td> </tr></table></div></body></html>[/CODE]