function SubmitApply()
{
if(document.forms["QC"].TxtEmail.value == "")
{
  document.forms["QC"].TxtEmail.focus();
  alert("Please specify your Email Id");
  return false;
}
  var str=document.forms["QC"].TxtEmail.value
  var at="@"
  var dot="."
  var lat=str.indexOf(at)
  var lstr=str.length
  var ldot=str.indexOf(dot)
  
  if (str.indexOf(at)==-1)
  {
    document.forms["QC"].TxtEmail.focus(); 
    alert("Please Enter a Valid E-mail");
    return false;
  }

  if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
  {
    document.forms["QC"].TxtEmail.focus(); 
    alert("Please Enter a Valid E-mail");
    return false;
  }

  if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
  {
    document.forms["QC"].TxtEmail.focus(); 
    alert("Please Enter a Valid E-mail");
    return false;
  }
  
  if (str.indexOf(at,(lat+1))!=-1)
  {
    document.forms["QC"].TxtEmail.focus(); 
    alert("Please Enter a Valid E-mail");
    return false;
  }
 
  if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
  {
    document.forms["QC"].TxtEmail.focus(); 
    alert("Please Enter a Valid E-mail");
    return false;
  }

 if (str.indexOf(dot,(lat+2))==-1)
 {
    document.forms["QC"].TxtEmail.focus(); 
    alert("Please Enter a Valid E-mail");
    return false;
 }
		
 if (str.indexOf(" ")!=-1)
 {
    document.forms["QC"].TxtEmail.focus(); 
    alert("Please Enter a Valid E-mail");
    return false;
 }
 
 document.forms["QC"].action='Postemail.asp';
}