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_validateForm() 
{ //v4.0
  if (document.getElementById)
  {
	var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
	for (i=0; i<(args.length-2); i+=3)
	{ 
	  test=args[i+2]; 
	  val=MM_findObj(args[i]);
	  if (val) 
	  { 
			nm=val.name;
			if(val != null && test=='checked')
			{
				var checkCount = 0;
				for (var i = 0; i < val.length; i++)
				{
					if (val[i].checked)
					{
						checkCount++;
					}
				}
				if (checkCount < 1)
				{
					errors += '- Select at least one newsletter.\n';
				}
			}
			else if ((val=val.value)!="") 
			{
				  if (test.indexOf('isEmail')!=-1) 
				  { 
						p=val.indexOf('@');
						if (p<1 || p==(val.length-1)) 
						errors+='- '+nm+' must contain an e-mail address.\n';
				  } 
				  else if (test!='R') 
				  {
						num = parseFloat(val);
						if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
						if (test.indexOf('inRange') != -1) 
						{ 
							  p=test.indexOf(':');
							  min=test.substring(8,p); max=test.substring(p+1);
							  if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
						} 
				  } 
			} 
			else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; 
	  }
	} 
	if (errors) alert('The following error(s) occurred:\n'+errors);
	document.MM_returnValue = (errors == '');
  } 
}