有关滚动导航菜单的问题

<table width="400">

	<tr> 

<td height="240" align="center"> 

<span class="style4" style="text-align:center"> 

<script language=javascript> 

var index = 3 

link = new Array(2); 

text = new Array(2); 

link[0] ='http://www.sohu.com' 

link[1] ='http://www.sina.com' 

link[2] ='http://www.baidu.com' 

text[0] ='搜狐' 

text[1] ='新浪' 

text[2] ='百度' 

document.write (" <marquee scrollamount='3' scrolldelay='150' direction= 'up' width='120' height='230 align='center'>"); 

for (i=0;i <index;i++) 

{ 

document.write (" <a href="+link[i]+" target='_blank' style='text-decoration:none;'>"); 

document.write (text[i] + " </A> <br> <br>"); 

} 

document.write (" </marquee>") 

</script> 

</span> 

</td> 

</tr> 



</table>