链接使图片变换

下面为效果显示

脚本说明:
把如下代码加入<body>区域中
<SCRIPT language=JavaScript>
function imgchg(num,status,thisimg){
	myimg=new Image()
	myimg.src="http://image2.sina.com.cn/ty/nike//nid0"+num+"_"+status+".gif"
	eval(thisimg+".src='"+myimg.src+"'")
}

function newsPicItem(pic,text,link){
	this.pic=pic;
	this.text=text;
	this.link=link;
}

var npnum=1;
function newsPicChg(thisimg){
	myimg=new Image()
	myimg.src=newPic[npnum].pic
	eval(thisimg+".src='"+myimg.src+"'")
	textDiv=document.getElementById('newstext')
	textDiv.innerHTML="<a href="+newPic[npnum].link+" class=a01 target=_blank>"+newPic[npnum].text+"</a>"
	document.getElementById('focuslink').href=newPic[npnum].link
	npnum = (npnum+1) % newPic.length
}
</SCRIPT>

<SCRIPT language=JavaScript>
	newPic=new Array()

newPic[0]=new newsPicItem('071501/1_6-103-2217_2003062532925.jpg', '温网第二日 “小库娃”击败“美国库娃”', 'http://sports.sina.com.cn')
	newPic[1]=new newsPicItem('071501/1_6-103-2220_20030624182443.jpg', '联合会杯巴西出局 小罗鲁斯图斗殴添新仇', 'http://www.sina.com.cn')

</SCRIPt>

<TABLE cellSpacing=0 cellPadding=0 width=281 border=0>
        <TBODY>
        <TR>
          <TD align=middle width=259          height=173>
            <SCRIPT language=JavaScript>
		document.write("<a href="+newPic[0].link+" id=focuslink target=_blank><img src="+newPic[0].pic+" name=newspic width=235 height=149 border=0><br>")
	</SCRIPT>
          </TD>
         <TD vAlign=bottom width=22><A 
            onmousedown='imgchg(1,"down","document.dbn1")' 
            onmouseover='imgchg(1,"on","document.dbn1")' 
            onmouseout='imgchg(1,"off","document.dbn1")' 
            href="javascript:newsPicChg('document.newspic')"><IMG height=26 
            src="071501/nid01_down.gif" width=8 border=0 
            name=dbn1></A></TD></TR></TBODY></TABLE>
      <TABLE cellSpacing=0 cellPadding=0 width=281 border=0>
        <TBODY>
        <TR>
          <TD width=12 bgColor=#ffffff height=27></TD>
          <TD width=10></TD>
          <TD align=middle width=232>
            <DIV id=newstext align=center>
            <SCRIPT language=JavaScript>
		document.write("<a href="+newPic[0].link+" class=a01 target=_blank>"+newPic[0].text+"</a>")
	</SCRIPT>
            </DIV></TD></TR></TBODY></TABLE>