<script type="text/JavaScript"> function qtyUpdate(kind){ var f = document.form1; var c = f.qty.value; if(kind == "up"){ c++; }else if(kind == "down"){ if(c > 1) c--; } f.qty.value = c; } </script>
<FORM name=form1 > <TABLE border=0 cellSpacing=0 cellPadding=0> <TBODY> <TR> <TD rowSpan=2><INPUT value=2 readOnly size=5 name=qty></TD> <TD rowSpan=2 width=3></TD> <TD><A href="javascript:qtyUpdate('up')"><IMG src="btn_up.gif" width=11 height=8></A></TD> </TR> <TR> <TD align=right><A href="javascript:qtyUpdate('down')"><IMG src="btn_down.gif" width=11 height=8></A></TD> </TR> </TBODY> </TABLE>
</FORM>
本文转自曾祥展博客园博客,原文链接:http://www.cnblogs.com/zengxiangzhan/archive/2010/02/25/1673329.html,如需转载请自行联系原作者