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 isValidEmail(str) {
  var emailFilter=/^.+@.+\..{2,3}$/;
  return emailFilter.test(str);
}

function isEmpty(f)
{
  var msg;
  var empty_fields = "";  

  for(var i=0; i< f.length; i++) {
    var ee = f.elements[i];
    //alert(ee.type + ' 1 ' + ee.name);
	if (((ee.type == "text") || (ee.type == "textarea")) && !ee.optional)  {
	  //alert(ee.type + ' 2 ' + ee.name);
	  if ( (ee.value == null) || (ee.value == "") ) {
	    //alert(ee.type + ' 3 ' + ee.name);
	    empty_fields += "\n         "+ee.name;
		continue;
	  }
	}
  }

  if (!empty_fields) return true;

  msg = "_________________________________________________\n\n";
  msg += "The form was not submitted because of the following error(s).\n"
  msg += "_________________________________________________\n\n";

  if (empty_fields) {
	msg += "- The following required field(s) are empty:"
	       + empty_fields + "\n";
  }
  alert(msg);
  return false;
}

function open_console(ref_url, name, height, width) {
	window.open(ref_url, name, 'toolbar=no,height='+height+',width='+width+',directories=no,status=no,scrollbars=no,resize=yes,menubar=no');
}

function open_console(ref_url, name, height, width, scrollbars, resize) {
	window.open(ref_url, name, 'toolbar=no,height='+height+',width='+width+',directories=no,status=no,scrollbars='+scrollbars+',resize='+resize+',menubar=no');
}