var adult_counter 	= 1;
var adult_limit 	= 6;
var child_counter	= 1;
var child_limit		= 6;

function addAdultFields(divName)
{
     if (adult_counter == adult_limit)
	 {
          alert("Sorry, only " + adult_counter + " adults are allowed per registration.");
     }
     else
	 {
          var newdiv 		= document.createElement('div');
          newdiv.innerHTML 	= '<li>First Name: <input id="adult_first_name[]" name="adult_first_name[]" type="text" size="12"> Last Name: <input id="adult_last_name[]" name="adult_last_name[]" type="text" size="12"> Sex: <select name="adult_gender[]" id="adult_gender[]" ><option value="female">Female</option><option value="male">Male</option></select></li>';
          document.getElementById(divName).appendChild(newdiv);
          adult_counter++;
     }
}

function addChildFields(divName)
{
	 if (child_counter == child_limit)
	 {
          alert("Sorry, only " + child_counter + " children are allowed per registration.");
     }
     else
	 {
          var newdiv 		= document.createElement('div');
          newdiv.innerHTML 	= '<li>First Name: <input id="child_first_name[]" name="child_first_name[]" type="text" size="12"> Last Name: <input id="child_last_name[]" name="child_last_name[]" type="text" size="12"> Age <input id="child_age[]" name="child_age[]" type="text" size="1"> Year Born: <input id="child_birth_year[]" name="child_birth_year[]" type="text" size="3"> Sex: <select name="child_gender[]" id="child_gender[]" ><option value="female">Female</option><option value="male">Male</option></select></li>';
          document.getElementById(divName).appendChild(newdiv);
          child_counter++;
     }
}