我有一个模态弹出窗口“gatepass”。当我单击生成时，它会生成此网关。在这个gatepass 中，我有两个按钮关闭和打印。当我点击打印按钮时，我希望打印网关而不是背景。请指导我，我该怎么做？
<html>
<head>
<script src="js/calculateamt.js" type="text/javascript"></script>
<link href="CSS/popup.css" rel="stylesheet" type="text/css">
</head>
<body>
<fieldset id="gatepass" class="popup">
<p align="center"><span style="size: 40px; font-size: 24px; alignment-adjust:middle">CASH RECIEPT</span></p>
<table width="453" border="0" align="center" cellpadding="20px">
<tr>
<td width="188" height="51">RECIEPT NO :
<label id="recno"><%=recieptno%></label></td>
<td width="179">DATE : <label id="date"><%=date%></label></td>
</tr>
<tr>
<td height="57">NAME : <label id="name" > <%=firstname%> <%=lastname%></label></td>
<td>VILLAGE : <label id="village"> <%=vill%></label></td>
</tr>
</table>
<p> </p>
<table width="697" height="52" border="0" align="center" cellpadding="20px">
<tr>
<td width="205">AGREEMENT NO : <label id="agrno"> <%=agreno%></label> </td>
<td width="149">LOT NO : <label id="lotno"><%=agreno%>/<%=bag%></label></td>
<td width="151">BAGS : <label id="bags" ><%=bag%></label></td>
<td width="174"> VEHICLE NO : <label id="vehicle"></label></td>
</tr>
</table>
<p> </p>
<table width="200" height="47" border="0" align="center" cellpadding="20px">
<tr>
<td> TOTAL AMOUNT :
<label onloadstart="javascript:totalamt()" id="Totalamt" name ="total"></label></td>
</tr>
</table>
<p align="center">
<p align="center">
<input type="button" name="Print" id="Print" value="PRINT" onClick="window.focus();window.print();">
<input type="button" name="close" id="close" value="CLOSE" onClick = "closePopup();" />
<p> </p>
<p> </p>
<p> </p>
</fieldset>
</body>
</html>