function showMedicineList() {
	document.getElementById('medicineList').style.display='block';
	document.getElementById('healthproductsMenu').style.visibility='hidden';
	document.getElementById('categoriesMenu').style.visibility='hidden';
	document.getElementById('endOfCategoriesMenu').style.visibility='hidden';
}
function hideMedicineList() {
	document.getElementById('medicineList').style.display='none';
	document.getElementById('healthproductsMenu').style.visibility='visible';
	document.getElementById('categoriesMenu').style.visibility='visible';
	document.getElementById('endOfCategoriesMenu').style.visibility='visible';
}
function showHealthproductsList() {
	document.getElementById('healthproductsList').style.display='block';
	document.getElementById('categoriesMenu').style.visibility='hidden';
	document.getElementById('endOfCategoriesMenu').style.visibility='hidden';
}
function hideHealthproductsList() {
	document.getElementById('healthproductsList').style.display='none';
	document.getElementById('categoriesMenu').style.visibility='visible';
	document.getElementById('endOfCategoriesMenu').style.visibility='visible';
}
function showProductsList() {
	document.getElementById('productsList').style.display='block';
	document.getElementById('categoriesMenu').style.visibility='hidden';
	document.getElementById('endOfCategoriesMenu').style.visibility='hidden';
}
function hideProductsList() {
	document.getElementById('productsList').style.display='none';
	document.getElementById('categoriesMenu').style.visibility='visible';
	document.getElementById('endOfCategoriesMenu').style.visibility='visible';
}
function showCategoriesList() {
	document.getElementById('categoriesList').style.display='block';
}
function hideCategoriesList() {
	document.getElementById('categoriesList').style.display='none';
}