function isBlank(s)
{
        for(var i = 0; i < s.length; i++)
        {
                var c = s.charAt(i);
                if ((c != ' ') && (c != '\n') && (c != '\t')) 
                return false;
		  }
        return true;
}

function validate(dform)
   {
   if(isBlank(dform.v_name.value))
           {
           alert("Your name is missing!");
           dform.v_name.focus();
           return false;
           }
       if(isBlank(dform.v_email.value))
           {
           alert("Your email is missing!");
           dform.v_email.focus();
           return false;
           } 
       if(isBlank(dform.v_phone.value))
           {
           alert("Your phone is missing!");
           dform.v_phone.focus();
           return false;
           } 
       return true;        
}

function validate2(dform)
   {
   if(isBlank(dform.email.value))
           {
           alert("Your email is missing!");
           dform.email.focus();
           return false;
			}
       return true;        
}