//toggles display of recipe description in recipe list view
function toggleDescription(num) {
	var expand = document.getElementById("e" + num);
	var description = document.getElementById("d" + num);
	
	//toggle the expand link and the description
	if (expand.innerHTML == "+") {
		expand.innerHTML = "-";
		description.style.display = "block";
	} else {
		expand.innerHTML = "+";
		description.style.display = "none";
	}
}