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) { //v3.0
  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); 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 tracker(trackerurl,trackersite,trackerpage,trackerdata){
    document.write("<img style='float: left; width: 1px; height: 1px;' src='" + trackerurl + "/site.asp?site=" + trackersite + "&amp;page=" + trackerpage + "&amp;data=" + trackerdata + "&amp;img=no&amp;ref="+escape(document.referrer)+"' alt='' />");
}

function validatenewsletterform() {

    var error = '';
    
    if (!validateEmail(document.getElementById('newsletterInput').value,1,0)){
		error = alert('Please enter a valid email address');
		document.getElementById('newsletterInput').className='errorInput';
	}
	else
	{
		document.getElementById('newsletterInput').className='noerrorInput';
	}
	
	if (error == '')
	{
		return true;
	}
	else
	{
		return false;
	}
	
}

function validateEmail(addr,man,db) 
{
	if (addr == '' && man) 
	{
	  if (db) alert('Please enter a valid email address');
	  return false;
	}
										
	var invalidChars = '\/\'\\ ";:?!()[]\{\}^|';
										
	for (i=0; i<invalidChars.length; i++) 
	{
	  if (addr.indexOf(invalidChars.charAt(i),0) > -1) 
	  {
		if (db) alert('email address contains invalid characters');
		  return false;
	  }
	}
										
	for (i=0; i<addr.length; i++) 
	{
	  if (addr.charCodeAt(i)>127) 
	  {
		if (db) alert("email address contains non ascii characters.");
		  return false;
	  }
	}

	var atPos = addr.indexOf('@',0);
										
	if (atPos == -1) 
	{
	  if (db) alert('email address must contain an @');
		return false;
	}
	if (atPos == 0) 
	{
	  if (db) alert('email address must not start with @');
		return false;
	}
	if (addr.indexOf('@', atPos + 1) > - 1) 
	{
	  if (db) alert('email address must contain only one @');
		return false;
	}

	if (addr.indexOf('.', atPos) == -1) 
	{
	  if (db) alert('email address must contain a period in the domain name');
		return false;
	}
	if (addr.indexOf('@.',0) != -1) 
	{
	  if (db) alert('period must not immediately follow @ in email address');
		return false;
	}
	if (addr.indexOf('.@',0) != -1)
	{
	  if (db) alert('period must not immediately precede @ in email address');
		return false;
	}
	if (addr.indexOf('..',0) != -1) 
	{
	  if (db) alert('two periods must not be adjacent in email address');
		return false;
	}

	var suffix = addr.substring(addr.lastIndexOf('.')+1);
	if (suffix.length != 2 && suffix != 'com' && suffix != 'net' && suffix != 'org' && suffix != 'edu' && suffix != 'int' && suffix != 'mil' && suffix != 'gov' & suffix != 'arpa' && suffix != 'biz' && suffix != 'aero' && suffix != 'name' && suffix != 'coop' && suffix != 'info' && suffix != 'pro' && suffix != 'museum') 
	{
	  if (db) alert('invalid primary domain in email address');
		return false;
	}
	return true;
}