Dropdown Lisx box in servlets

HI,
I have a servlet with dropdown list box and text item. Whenever i choose the value based on that I have to display some data
below the these Items.( Dropdown and Text item).
The input in the text item will search in the below diplayed data and re-display again.
My question is, when i change the value in the dropdown listbox, it is not changing the data and selected value is
NOT staying in the dropdown listbox. can anybody help me in this problem.
Here is my code...
out.println("<HTML>");
out.println("<HEAD>");
out.println("</HEAD>");
String i_country="USA";
String i_key =" ";
out.println("<BODY onLoad=\"document.lov.i_key.focus()\">");
out.println("<DIV align=left>");
out.println("<FORM ACTION=physician_internal_medical_school_popup name=lov>");
// out.println("<INPUT TYPE=hidden NAME=pProfessionID VALUE=1>");
out.println("<FONT FACE=Arial,Helvetica SIZE=-1>Country:<SELECT NAME=i_country onChange=\"document.lov.submit()\">");
while(Country.next())
if(Country.getString("country").equals(i_country))
out.println("<OPTION SELECTED>"+Country.getString("country"));
else{
out.println("<OPTION>"+Country.getString("country"));
} // End of IF stmt
} // End of While Country
out.println("</SELECT>");
out.println("</FONT>");
out.println("<FONT FACE=Arial,Helvetica SIZE=-1>Search:</FONT><INPUT TYPE=text NAME=i_key SIZE=20 MAXLENGTH=20 onChange=\"document.lov.submit()\" VALUE="+ i_key+">");
out.println("</FORM>");
if ( i_country == "** UNKNOWN **")
School_2 = stmt3.executeQuery(" SELECT name "+
"     FROM LP_SCHL_PRG "+
"          WHERE profession_id = "+p_profession_id +
"          AND country IS NULL "+
" AND name LIKE '%"+i_key+"%'"+
"          ORDER BY 1" );
while(School_2.next())
out.println("<FONT FACE=Arial,Helvetica SIZE=-2><A HREF=\"javascript:sendValue('Albany Medical College')\">"+School_2.getString("name")+"</A></FONT><BR>");
} // End of While School_2
}else
School_1 = stmt2.executeQuery(" SELECT name "+
"     FROM LP_SCHL_PRG "+
"          WHERE profession_id = "+p_profession_id +
"          AND country = '"+i_country +"'"+
" AND UPPER(name) LIKE '%"+i_key+"%'"+
"          ORDER BY 1 ");
while(School_1.next())
out.println("<FONT FACE=Arial,Helvetica SIZE=-2><A HREF=\"javascript:sendValue('Medical College')\">"+School_1.getString("name")+"</A></FONT><BR>");
} // End of While School_2
} // End of If
out.println("</FORM>");
out.println("</DIV>");
out.println("</BODY>");
out.println("</HTML>");

Just a hint:
I think that
get reference of status_tab into M_MAT_REF
creates a reference to the local variable status_tab.
At the time then the drop-down is rendered, this local variable does not exist anymore.
I would try is this way
FIELD-SYMBOL <fs> TYPE TIHTTPNVP.
CREATE DATA me->m_mat_ref TYPE TIHTTPNVP.
ASSIGN me->m_mat_ref->* TO <fs>.
<fs> = status_tab.
or this way
1) change the type of m_mat_ref to TYPE TIHTTPNVP (not TYPE REF TO TIHTTPNVP).
2)
DATA lr_mat_ref TYPE REF TO TIHTTPNVP.
m_mat_ref = status_tab.
GET REFERENCE OF m_mat_ref INTO lr_mat_ref.
p_replacement_bee = CL_HTMLB_DROPDOWNLISTBOX=>FACTORY(
id = p_cell_id
selection = m_row_ref->STATUS
table = lr_mat_ref
nameOfKeyColumn = 'NAME'
nameOfValueColumn = 'VALUE' ).

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