[PHP] session_start() and javascript problem

bob Tue, 26 Mar 2002 04:36:46 -0800

I always get a error message:document.form1.user isn't an object.
if i get rid of session_start(),everything becomes well.


thanks in advane!


<?php 
session_start();
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<HTML><HEAD><TITLE>login </TITLE>
<META content="text/html; charset=gb2312" http-equiv=Content-Type>
<STYLE type=text/css>TABLE {
        FONT-SIZE: 10.5pt
}
</STYLE>
<SCRIPT language=JavaScript>
<!--

function Jtrim(str)
{

        var i = 0;
        var len = str.length;
        if ( str == "" ) return( str );
        j = len -1;
        flagbegin = true;
        flagend = true;
        while ( flagbegin == true && i< len)
        {
           if ( str.charAt(i) == " " )
                {
                  i=i+1;
                  flagbegin=true;
                }
                else
                {
                        flagbegin=false;
                }
        }

        while  (flagend== true && j>=0)
        {
            if (str.charAt(j)==" ")
                {
                        j=j-1;
                        flagend=true;
                }
                else
                {
                        flagend=false;
                }
        }

        if ( i > j ) return ("")

        trimstr = str.substring(i,j+1);
        return trimstr;
}


function check(){
  if
((Jtrim(document.form1.user.value)=="")||(Jtrim(document.form1.password.value)=="")){
     window.alert("please input username/password！");
     return false;
  }
  else
  return true;
}

-->
</SCRIPT>

<META content="MSHTML 5.00.3314.2100" name=GENERATOR></HEAD>
<BODY onload=Javascript:document.form1.user.focus() bgColor=#ffffff>
<P align=center><B><FONT size=4>login</FONT></B></P>
<HR color=#008000 SIZE=4 width="60%">
<FORM action=loginsave.php method=post  name=form1 onsubmit="return
check()">               
<TABLE align=center bgColor=#f6f6f6 border=1 borderColorDark=#ffffff 
borderColorLight=#cccccc cellPadding=0 cellSpacing=0 height=154
width=225>
  <TBODY>
  <TR>
    <TD height=54 width=63>user：</TD>
    <TD height=54 width=156><INPUT name=user> </TD></TR>
  <TR>
    <TD height=49 width=63>password</TD>
    <TD height=49 width=156><INPUT name=password type=password>
</TD></TR>
  <TR>
    <TD height=45 width=63>&nbsp;</TD>
    <TD height=45 width=156>
      <P align=center></P></TD></TR></TBODY></TABLE>
<P align=center><INPUT name=Submit2 type=submit value=enter> <INPUT
name=Submit type=reset value=cancel> </P></FORM>
<HR color=#f6f6f6 SIZE=4 width="60%">

<P align=center><FONT color=#c0c0c0>y.k .co
2001</FONT></P></BODY></HTML>

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[PHP] session_start() and javascript problem

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