img1=new Array(5);
img1[0]=new Image; img1[0].src="images/btn11.gif";
img1[1]=new Image; img1[1].src="images/btn21.gif";
img1[2]=new Image; img1[2].src="images/btn31.gif";
img1[3]=new Image; img1[3].src="images/btn41.gif";
img1[4]=new Image; img1[4].src="images/btn51.gif";
img1[5]=new Image; img1[5].src="images/btn61.gif";

img2=new Array(5);
img2[0]=new Image; img2[0].src="images/btn12.gif";
img2[1]=new Image; img2[1].src="images/btn22.gif";
img2[2]=new Image; img2[2].src="images/btn32.gif";
img2[3]=new Image; img2[3].src="images/btn42.gif";
img2[4]=new Image; img2[4].src="images/btn52.gif";
img2[5]=new Image; img2[5].src="images/btn62.gif";

function show(n)
{
if (n==0) document.P0.src=img2[0].src;
if (n==1) document.P1.src=img2[1].src;
if (n==2) document.P2.src=img2[2].src;
if (n==3) document.P3.src=img2[3].src;
if (n==4) document.P4.src=img2[4].src;
if (n==5) document.P5.src=img2[5].src;
}

function hide(n)
{
if (n==0) document.P0.src=img1[0].src;
if (n==1) document.P1.src=img1[1].src;
if (n==2) document.P2.src=img1[2].src;
if (n==3) document.P3.src=img1[3].src;
if (n==4) document.P4.src=img1[4].src;
if (n==5) document.P5.src=img1[5].src;
}
document.write('<table width="644"  border="0" align="center" cellpadding="0" cellspacing="2">');document.write('  <tr align="center">');document.write('    <td><a href="/Article/Index.asp" ONMOUSEOVER="show(0);" ONMOUSEOUT="hide(0);"><img src="images/btn11.gif" name="P0" width="105" height="59" border="0"></a></td>');document.write('    <td><a href="/Photo/Index.asp" ONMOUSEOVER="show(1);" ONMOUSEOUT="hide(1);"><img src="images/btn21.gif" name="P1" width="105" height="59" border="0"></a></td>');document.write('    <td><a href="/Research/Index.asp" ONMOUSEOVER="show(2);" ONMOUSEOUT="hide(2);"><img src="images/btn31.gif" name="P2" width="105" height="59" border="0"></a></td>');document.write('    <td><a href="/Soft/Index.asp" ONMOUSEOVER="show(3);" ONMOUSEOUT="hide(3);"><img src="images/btn41.gif" name="P3" width="105" height="59" border="0"></a></td>');document.write('    <td><a href="/bbs" ONMOUSEOVER="show(4);" ONMOUSEOUT="hide(4);"><img src="images/btn51.gif" name="P4" width="105" height="59" border="0"></a></td>');document.write('    <td><a href="http://blog.sina.com.cn/u/1476591527" ONMOUSEOVER="show(5);" ONMOUSEOUT="hide(5);"><img src="images/btn61.gif" name="P5" width="105" height="59" border="0"></a></td>');document.write('  </tr>');document.write('</table>');