function wm_submit_test(){
var z_get_name=window.document.form_friend.your_name.value;

var z_get_your_mail=window.document.form_friend.your_mail.value;
var z_size_your_mail=z_get_your_mail.length;

var z_get_friend_mail=window.document.form_friend.friend_mail.value;
var z_size_friend_mail=z_get_friend_mail.length;


if(z_get_name==""){alert("Please insert your Name. ");return false;}

reg1 = new RegExp("^[A-Za-z0-9]+([_\\.\\-][A-Za-z0-9]*)*@[A-Za-z0-9]+([_\\.\\-][A-Za-z0-9]{1,})*\\.([A-Za-z]{2,}){1}$", "");
var ResultEmail1=reg1.test(z_get_your_mail);
if(z_size_your_mail==0){alert("Please insert your e-mail address. ");return false;}
if(z_size_your_mail<=5){alert("This e-mail address is not valid. ");return false;}
if (!ResultEmail1){alert("This e-mail address is not valid. ");return false;}


reg2 = new RegExp("^[A-Za-z0-9]+([_\\.\\-][A-Za-z0-9]*)*@[A-Za-z0-9]+([_\\.\\-][A-Za-z0-9]{1,})*\\.([A-Za-z]{2,}){1}$", "");
var ResultEmail2=reg2.test(z_get_friend_mail);
if(z_size_friend_mail==0){alert("Please insert your friend's e-mail address. ");return false;}
if(z_size_friend_mail<=5){alert("This e-mail address is not valid. ");return false;}
if (!ResultEmail2){alert("This e-mail address is not valid. ");return false;}

return true;
}