Этот код вставляем в любой блок на вашем сайте
Иле в любое место

Код:
<script language="JavaScript"> 
function do_scan_file_02() 
{ 
var left = (screen.width - 640)/2; 
var top = (screen.height - 400)/2; 
window.open( "", 
"drweb_scan_form_popup_window", 
"width=640"+",height=400,left="+left+",top="+top+",scrollbars=yes,resizable=yes" ); 
document.getElementById( "drweb_online_scan_form" ).submit(); 
return false; 
} 

</script> 
<form method="POST" id="drweb_online_scan_form" 
enctype="multipart/form-data" action="http://online.drweb.com/result" target="drweb_scan_form_popup_window"> 
<table border="0" cellpadding="0" cellspacing="0" background="http://csinfofan.ru/desing/fon.png" width="100%" height="100"> 
<tr> 
<td height="23" colspan="2" align="center" valign="bottom"></td> 
</tr> 
<tr align="center"> 
<td height="22" colspan="2"><center><input type="file" name="file" size="15"></td> 
</tr> 
<tr> 
<td width="63"></td> 
<td width="137"><table width="100%" border="0" cellspacing="6" cellpadding="0"> 
<tr> 
<td align="right"><input type="image" onClick="return do_scan_file_02();" src="http://csinfofan.ru/desing/prov.png" width="90" height="22"></td> 
</tr> 
</table> 
</td> 
</tr> 
</table> 
</form>