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_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_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 drawEmailLink(user, domain, toplevel, customcaption) {
	if(customcaption.length > 0)
		document.write('<a href="mailto:' + user + "@" + domain + toplevel + '">' +customcaption + '</a>')
	else
		document.write('<a href="mailto:' + user + "@" + domain + toplevel + '">' + user + "@" + domain + toplevel + '</a>')	
}

function openCenteredWindow(url, height, width, name, parms) {
   var left = Math.floor( (screen.width - width) / 2);
   var top = Math.floor( (screen.height - height) / 2);
   var winParms = "top=" + top + ",left=" + left + ",height=" + height + ",width=" + width;
   if (parms) 
   { 
     winParms += "," + parms; 
   }
   var win = window.open(url, name, winParms);
   if (parseInt(navigator.appVersion) >= 4) 
   { 
     win.window.focus(); 
   }
   return win;
}

function openInParent(linkTo) {
	
	if (window.opener) {
		window.opener.location.href = linkTo;
		window.close();
	}
	else {
		window.location.href = linkTo;
	}
}

function isEmail(emailToCheck)
{
	if (emailToCheck.length > 8)
	{
		if (emailToCheck.indexOf("@") > 0 && emailToCheck.indexOf(".") > 0)
			return true;
		else
			return false;
	}
	else
		return false;
}

function checker(strMode)
{
	return confirm("Are you sure you want to " + strMode + " this item?");
}

function isNumberInt(inputString)
{
  return (!isNaN(parseInt(inputString))) ? true : false;
}

function isNumberFloat(inputString)
{
  return (!isNaN(parseFloat(inputString))) ? true : false;
}

//this is a function that checks the form for submitting. It ASSUMES the 
//form to check is called form1 it checks all the fields in the fieldsToCheck 
//variable and all fields with the word "email" in it
function checkForm(fieldsToCheck) 
{
	var errorCount = 0;
	var emailErrorCount = 0;
	var errorMessage = "The form could not be submitted because of the following error(s): \n\n";
	var i, j;
	var invalidField;
	var delimiter;
	var splitterArray
	//determine delimiter
	if (fieldsToCheck.indexOf("|") > -1)
		delimter = "|";
	else
		delimter = ",";
	splitterArray = fieldsToCheck.split(delimter);
	for (i = 0; i < document.form1.elements.length; i++)
	{
		var currentFormElement = document.form1.elements[i].name;
		var currentFieldToCheck;
		for(j = 0; j < splitterArray.length; j++)
		{
			currentFieldToCheck = splitterArray[j];
			if (currentFieldToCheck.toUpperCase() == currentFormElement.toUpperCase())
			{
				//this is a field to check - it's required check it's not invalid or empty
				if (document.form1.elements[i].value == "" || document.form1.elements[i].value == "invalid")
				{
					errorCount++;
					invalidField = document.form1.elements[i];
				}
				//this is a field to check - if it's an email, check it's a valid email address
				if ((currentFormElement.toUpperCase() == "EMAIL" || currentFormElement.toUpperCase() == "EMAILADDRESS") && (!isEmail(document.form1.elements[i].value)))
				{
					emailErrorCount++;
					invalidField = document.form1.elements[i];
				}				
			}
		}
	}
	if (errorCount > 1)
		errorMessage += "* There were " + errorCount + " fields left empty.\n";
	else if (errorCount == 1)
		errorMessage += "* There was " + errorCount + " field left empty.\n";
	if (emailErrorCount > 1)
		errorMessage += "* All email addresses must be valid. There were " + emailErrorCount + " email fields invalid.\n";	
	else if (emailErrorCount == 1)		
		errorMessage += "* All email addresses must be valid. There was " + emailErrorCount + " email field invalid.\n";		
	if (errorCount > 0 || emailErrorCount > 0)
	{
		alert(errorMessage + "\nPlease click OK to try again.");
		invalidField.focus();
		return false;
	}
	else 
		return true;
}