function moreIngredients() {
document.getElementById('hidden_ingredients').style.display="block";
document.getElementById('showFieldsButton').innerHTML="<a id=\"ingredient_shower\" onclick=\"lessIngredients()\">Less ingredients</a>";
}

function lessIngredients() {
document.getElementById('hidden_ingredients').style.display="none";
document.getElementById('showFieldsButton').innerHTML="<a id=\"ingredient_shower\" onclick=\"moreIngredients()\">Add more ingredients</a>";
}