function MM_validateForm() { //v4.0
  var fld,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]); fld=MM_findObj(args[i]);
    if (val) { nm=args[i+1]; 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 (val<1)
			{	errors+='- '+nm+' must be at least one.\nIf you are trying to remove an item from your order select the remove checkbox and press update.';
				fld.value = '1';
			}
		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 == '');
}