document.write("<TABLE cellSpacing=1 cellPadding=0 width=194 align=left border=0><TBODY>")
document.write("<TR><TD vAlign=center align=left height=30 width=192 class=menustyle>&nbsp; <a href=aboutinstitute.htm>About the Institute</a></TD></TR>")
document.write("<TR><TD vAlign=center align=left height=30 width=192 class=menustyle>&nbsp; <a href=admissionprocedure.htm>Admission Procedure</a></TD></TR>")
document.write("<TR><TD vAlign=center align=left height=30 width=192 class=menustyle>&nbsp; <a href=principalsdesk.htm>Principal's Desk</a></TD></TR>")
document.write("<TR><TD vAlign=center align=left height=30 class=menustyle>&nbsp; <a href=discipline.htm>Discipline & Rules</a></TD></TR>")
document.write("<TR><TD vAlign=center align=left height=30 class=menustyle>&nbsp; <a href=courses.htm>Courses offered</a></TD></TR>")
document.write("<TR><TD vAlign=center align=left height=30 class=menustyle>&nbsp; <a href=facilities.htm>Facilities</a></TD></TR>")
document.write("<TR><TD vAlign=center align=left height=30 class=menustyle>&nbsp; <a href=academiccalendar.htm>Academic Calendar</a></TD></TR>")
document.write("<TR><TD vAlign=center align=left height=30 class=menustyle>&nbsp; <a href=syllabus.htm>Syllabus</a></TD></TR>") 
document.write("<TR><TD vAlign=center align=left height=30 class=menustyle>&nbsp; <a href=affiliatedinstitutes.htm>Affiliated Institutes</a></TD></TR>") 
document.write("<TR><TD vAlign=center align=left height=30 class=menustyle>&nbsp; <a href='data/MandatoryDisclosure.doc'>Mandatory Enclosure</a></TD></TR>")  
document.write("<TR><TD vAlign=center align=left height=30 class=menustyle>&nbsp; <a href=events.htm>Events Gallery</a></TD></TR>") 

document.write("<TR><TD vAlign=center align=left height=140 width=194>")
document.write("<form method=post name=form1 action='/studentportal/default.aspx'>")
document.write("<table border='0' width='100%'>")
document.write("<tr><td align=center><img align=left src='images/student.jpg'><span style='font-family:verdana'><b>Student Portal</b></span></td></tr>")

document.write("<tr><td><span style='font-family:Arial;font-size:12px'>Enter Enrollment No</span></td></tr>")
document.write("<tr><td><input type=text maxlength=15 name=txteno id=txteno>&nbsp;<span><img src='images/go.gif' title='Click Here' style='cursor:hand' onclick='javascript:isValid();'></span></td></tr>")
document.write("</table>")
document.write("</form>")

function isValid()
{
    var eno;
    eno = document.form1.txteno.value;
    
    if (eno=="")
    {
        alert("Please enter Enrollment No");
        document.form1.txteno.focus();
    }
    else if (isNaN(eno))
    {
        alert("Invalid Enrollment No");
        document.form1.txteno.value="";
        document.form1.txteno.focus();
    }
    else
    {
        document.form1.submit();
    }
    
}

document.write("</TD></TR>")

document.write("</TBODY></TABLE>")