fasta alignment

#!c:/Python26/python.exe
import os
import cgi, cgitb
cgitb.enable()
print 'Content-type: text/html\n\n'
print "<link rel=\"stylesheet\" type=\"text/css\" href=\"css/msa.css\" >"

class HtmlTemplate:

    def Header(self):
        print '''
        <html><head>
        <title>Multiple Sequence alignment</title>
        </head>
        '''
    def Body(self):
        print '''
        <body>
        <p align="center"><img src='images/mheader.jpg'></img></p>
        <br>
        <br>
        '''
    def Form(self):
        print '''
        <script language=\"javascript\" type=\"text/javascript\">

        function validate(form)
        {
        if ((form.dfile.value.length==0) && (form.sequence.value.length==0))
        {
        alert("Upload fasta file or paste sequence");
        return false;
        }
        else if ((form.dfile.value.length>0) && (form.sequence.value.length>0))
        {
        alert("Only one option is available");
        return false;
        }

        else
        {
        return true;
        }
        }

        </script>
        <table width="575" height="305" border="1" align="center" cellpadding="0" cellspacing="0" bordercolor="#a1a1a1" bgcolor="#f3f3f3">
         <tr>
        <td width="565" height="303" valign="top">
        <form method="post" action="display.py" enctype="multipart/form-data" onsubmit="return validate(this);">
        <table width="544" border="0" cellspacing="0" cellpadding="0">
        <tr>
            <td colspan="3">&nbsp;</td>
        </tr>
        <tr>
            <td width="156"><div align="center"><u>Upload fasta file</u></div></td>
            <td colspan="2"> <input name="dfile" type="file" class="style1" size="45" />&nbsp;</td>
        </tr>
        <tr>
            <td colspan="3"><div align="center"></div></td>
        </tr>
        <tr>
            <td colspan="3"><div align="center">******OR******</div></td>
        </tr>
        <tr>
            <td valign="top"><div align="center"><u>Paste your sequence</u></div></td>
            <td colspan="2"><textarea name="sequence" cols="45" rows="10" class="style2" id="sequence"></textarea>&nbsp;</td>
        </tr>
        <tr>
            <td height="39">&nbsp;</td>
            <td width="309" height="39">&nbsp;</td>
            <td width="79"><INPUT TYPE = hidden NAME = "action" VALUE ="display">
                <INPUT TYPE = submit class="style2" VALUE = "Execute">
            </td>
        </tr>
        </table>
        </form>
        </td>
        </tr>
        </table>'''

    def Footer(self):
        print '''
        <p align="center">
        <br><br>
        <table width="931" border="0" cellpadding="0" cellspacing="0" bgcolor="#cccccc">
        <tr>
        <td><div align="center">Thaman Chand @ 2010</div></td>
        </tr>
        </table>
        </p>
        '''

    def CloseHtml(self):
        print "</body>"
        print "</html>"


## Calling all the functions of the class template with object (objx)
objx=HtmlTemplate()
objx.Header()
objx.Body()
objx.Form()
objx.Footer()
objx.CloseHtml()