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 isEmailAddr(txtEmail)
{
  var result = false
  var theStr = new String(txtEmail)
  var index = theStr.indexOf("@");
  if (index > 0)
  {

    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}

function SearchFormVal(theForm)
{

  if (theForm.f_search.value == "")
  {
    alert("Please enter a keyword.");
    theForm.f_search.focus();
    return (false);
  }

  return (true);
}

function EmailFormVal(theForm)
{

  if (theForm.f_email.value == "")
  {
    alert("Please enter your email address in the form: yourname@yourdomain.com");
    theForm.f_email.focus();
    return (false);
  }

  if (!isEmailAddr(theForm.f_email.value))
  {
    alert("Please enter your email address in the form: yourname@yourdomain.com");
    theForm.f_email.focus();
    return (false);
  }

  if (theForm.f_email.value.length < 3)
  {
    alert("Please enter your email address in the form: yourname@yourdomain.com");
    theForm.f_email.focus();
    return (false);
  }
  
  return (true);
}