function isWords(argvalue) 
{
  var onechar = '';
  for (var n = 0; n < argvalue.length; n++) 
  {
    onechar = argvalue.substring(n, n+1);
    if ((onechar < 'A' ||onechar > 'Z') && (onechar < 'a' || onechar > 'z') &&
         (onechar != ' ')) 
   {
   return false;
   }
 }
return true;
}
function validateEmail(affiliate_email)
 {
   	mErr = '';
	if (validEmail(affiliate_email) == false || validEmail(affiliate_email) == null || validEmail(affiliate_email) == '')
  {
  mErr +='Enter Valid Email';
  }
 if (mErr=='')
 {
 return true;
 }
 else
 {
 return false;
 
}
}
function validEmail(email)
 	{
	var exclude=/[^@\-\.\w]|^[_@\.\-]|[\._\-]{2}|[@\.]{2}|(@)[^@]*\1/;
	var checkend=/\.[a-zA-Z]{2,4}$/;
		
    if((email.search(exclude) != -1) || (email.search(checkend) == -1))        
	 return false;
	 atPos = email.indexOf('@',0);
	 pPos1 = email.indexOf('.',0);
	 periodPos = email.indexOf('.',atPos);
	 pos1 = pPos1;
	 pos2 = 0;
		while (pos2 > -1)
		 {
		pos2 = email.indexOf('.',pos1+1);
		if (pos2 == pos1+1)  return false;
		else  pos1 = pos2;
		 }
		 if (atPos == -1)        return false;
		 if (atPos == 0)        return false;
		 if (pPos1 == 0)        return false;
		 if(email.indexOf('@',atPos+1) > -1)        return false;
		 if (periodPos == -1)        return false;
		 if (atPos+1 == periodPos)        return false;
		 if (periodPos+3 > email.length)        return false;
		 return true;
	}
function validateform_s()
 { 
 errmsg= '';
 if(document.subscribe_form_s.Name1.value=='')
 {
 errmsg=errmsg + 'Blank entry is not allowed in name field.\n';
 
 }
 if(!(validateEmail(document.subscribe_form_s.Email1.value)))
  {
errmsg= errmsg +'Enter Valid Email.\n';
  }
  if(!(isWords(document.subscribe_form_s.Name1.value)))
  {
errmsg= errmsg +'Enter Text Value In Name Field.\n';
  }
   if(errmsg=='')
    { 
	return true;
	}
	else
	{
	alert(errmsg);
	return false;
   }
}