function switchProductsTabs(which) {
	document.getElementById('products_pump').style.display = 'none';
	document.getElementById('products_filters').style.display = 'none';
	document.getElementById('products_heaters').style.display = 'none';
	document.getElementById('products_cover').style.display = 'none';
	document.getElementById('products_controls').style.display = 'none';
	document.getElementById('products_cleaner').style.display = 'none';
	document.getElementById('products_watertreatment').style.display = 'none';
	document.getElementById('products_saltchlorinegenerators').style.display = 'none';
	document.getElementById('products_wintercovers').style.display = 'none';
	
	document.getElementById('tabs_products_pump').className = 'unselected';
	document.getElementById('tabs_products_filters').className = 'unselected';
	document.getElementById('tabs_products_heaters').className = 'unselected';
	document.getElementById('tabs_products_cover').className = 'unselected';
	document.getElementById('tabs_products_controls').className = 'unselected';
	document.getElementById('tabs_products_cleaner').className = 'unselected';
	document.getElementById('tabs_products_watertreatment').className = 'unselected';
	document.getElementById('tabs_products_saltchlorinegenerators').className = 'unselected';
	document.getElementById('tabs_products_wintercovers').className = 'unselected';
	
	document.getElementById('tabs_products_' + which).className = 'selected';
	document.getElementById('products_' + which).style.display = 'block';	
}

function switchPoolSchoolTabs(which) {
	document.getElementById('poolschool_chemistry').style.display = 'none';
	document.getElementById('poolschool_sanitizers').style.display = 'none';
	document.getElementById('poolschool_equipment').style.display = 'none';
	document.getElementById('poolschool_generalcleaning').style.display = 'none';	
	
	document.getElementById('tabs_poolschool_chemistry').className = 'unselected';
	document.getElementById('tabs_poolschool_sanitizers').className = 'unselected';
	document.getElementById('tabs_poolschool_equipment').className = 'unselected';
	document.getElementById('tabs_poolschool_generalcleaning').className = 'unselected';	
	
	document.getElementById('tabs_poolschool_' + which).className = 'selected';
	document.getElementById('poolschool_' + which).style.display = 'block';	
}

function switchServicesTabs(which) {
	document.getElementById('services_service').style.display = 'none';
	document.getElementById('services_repair').style.display = 'none';
	document.getElementById('services_renovation').style.display = 'none';	
	
	document.getElementById('tabs_services_service').className = 'unselected';
	document.getElementById('tabs_services_repair').className = 'unselected';
	document.getElementById('tabs_services_renovation').className = 'unselected';	
	
	document.getElementById('tabs_services_' + which).className = 'selected';
	document.getElementById('services_' + which).style.display = 'block';	
}