function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function submenu(id) {

  if (id == 0) {
    $('submenu').innerHTML = "";
  } else {
    $('submenu').innerHTML = $(id).innerHTML;
  }
}

function checkOther() {
  if ($F('subject') == 'other') {
    $('formother').innerHTML = 'subject:<br /><input type="text" name="other" size="35" tabindex="5" />';
    $('formother').style.display = 'block';
    $('formother').style.background = '#ffddcc';	
  } else {
    $('formother').style.display = 'none';
  }
}

function checkContactForm() {
  if (!$F('name')) { 
    alert ('Please enter your name.');
	return false;
  }
  if (!$F('email')) { 
    alert ('Please enter e-mail address.');
	return false;
  }
  if (!$F('subject')) {
    alert ('Please select a subject');
    return false;
  }
  if (($F('subject') == 'other') && (!$F('other'))) {
    alert ('Please type a subject');
	return false;
  }
  $('formvalid').innerHTML = '<input type="hidden" name="validator" value="1" />';
  return true;
}