How to display IFRAME in the proper place in different resolution?

biswa47

hai i have designed a web form in visual studio2005. everything in that aspx page desigend with in a table of fixedsize(990*560). with in that table i have included a <iframe> whose coding i am giveing below "<td style="width:744px;height:516px" valign="top"> <iframe id="frame1" name="frame1" style="width:744px;height:516px; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; position:absolute; top:108px; font-family:Arial; font-size:8pt; left: 25%;" scrolling="yes" runat="server"></iframe> </td>" its work fine in 1024*768 resolution but wheni have changed the resolution to 1280*768 . all the designed comes in size except the ifrmae. can solve my problem that why the iframe is not coming in the appropriate place,while changing the screeen resolution. Below i am giving u the complete page source code.. Plz help me out.. <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default5.aspx.cs" Inherits="Default5" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server"> <title>RWSS</title> <style type="text/css"> body { font-family:Verdana; font-size:8pt; margin-left:0; margin-right:0; margin-top:0; top:1; left:0; right:0; background-image:url('images/pattern.gif'); } </style> </head> <body> <form id="form1" runat="server"> <div> <table cellpadding="0" cellspacing="0" width="994px" align="center" bgColor="#ffffff" border="0" > <tbody> <tr> <td valign="top" style="width:994px;height:106px;"> <table style="height:106px;width:994px;background-color:#ffffff;border-width:0;background-image: url(images/top.GIF);" cellspacing="0" cellpadding="0" align="center"> <tr> <td valign="bottom" style="height: 34px"> <div id="ddcolortabs" > <ul> <li ><a title="Home" href="Default.aspx" target="_parent"><span>Home</span><