function reset() {
document.newsletter.email22.value="";
document.tellafriend.name.value="";
document.tellafriend.email.value="";
document.tellafriend.friendmail1.value="";
document.tellafriend.friendmail2.value="";
document.tellafriend.friendmail3.value="";
}


function validateEmail(email)
{
    var splitted = email.match("^(.+)@(.+)$");
    if(splitted == null) return false;
    if(splitted[1] != null )
    {
      var regexp_user=/^\"?[\w-_\.]*\"?$/;
      if(splitted[1].match(regexp_user) == null) return false;
    }
    if(splitted[2] != null)
    {
      var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/;
      if(splitted[2].match(regexp_domain) == null) 
      {
	    var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
	    if(splitted[2].match(regexp_ip) == null) return false;
      }// if
      return true;
    }
return false;
}


function validate() {

if (document.tellafriend.name.value.length==0) {
alert("please enter your name");
return false;
}
if (document.tellafriend.email.value.length==0) {
alert("please enter your email address");
return false;
}
if(!validateEmail(document.tellafriend.email.value)) 
               { 
                 alert("please enter your valid email address"); 
                 return false; 
               }

if (document.tellafriend.friendmail1.value.length==0 && document.tellafriend.friendmail2.value.length==0 && document.tellafriend.friendmail3.value.length==0) {
alert("please enter your friend's email address");
return false;
}

if (!(document.tellafriend.friendmail1.value.length==0)){		
if(!validateEmail(document.tellafriend.friendmail1.value)) 
               { 
                 alert("please enter your valid email address of 'email-1'"); 
                 return false; 
               }
}	   
if (!(document.tellafriend.friendmail2.value.length==0)){		
if(!validateEmail(document.tellafriend.friendmail2.value)) 
               { 
                 alert("please enter valid email address of 'email-2'"); 
                 return false; 
               }
}	   

if (!(document.tellafriend.friendmail3.value.length==0)){		
if(!validateEmail(document.tellafriend.friendmail3.value)) 
               { 
                 alert("please enter valid email address of 'email-3'"); 
                 return false; 
               }
}	
document.tellafriend.submit()
return true;
}