设置按钮的背景图片
<Html>
?<head></head>
<body>
<FORM name=form2 action=# method=post target=_blank><INPUT name=textfield>
<INPUT type=image height=19 width=53 src="http://www.yesky.com/20010523/hzz01_52327.gif" align=absMiddle border=0 name=imageField> </FORM><BR>
</body>
</html>