function showBrandOverview()
{
	showLayer('brandOverviewContent');
	hideLayer('audienceContent');
	hideLayer('ratesContent');
	hideLayer('specsAndDeadlinesContent');
	hideLayer('sectionsContent');
	hideLayer('categoriesContent');
	hideLayer('featuresAndReportsContent');
	hideLayer('researchContent');
	hideLayer('contactsContent');

	deSelectTab('AudienceTab');
	deSelectTab('RatesTab');
	deSelectTab('SpecsTab');
	deSelectTab('SectionsTab');
	deSelectTab('CategoriesTab');
	deSelectTab('FeaturesTab');
	deSelectTab('ResearchTab');
	deSelectTab('ContactsTab');
	selectTab('BrandTab');
}

function showAudience()
{
	hideLayer('brandOverviewContent');
	showLayer('audienceContent');
	hideLayer('ratesContent');
	hideLayer('specsAndDeadlinesContent');
	hideLayer('sectionsContent');
	hideLayer('categoriesContent');
	hideLayer('featuresAndReportsContent');
	hideLayer('researchContent');
	hideLayer('contactsContent');

	deSelectTab('BrandTab');
	deSelectTab('RatesTab');
	deSelectTab('SpecsTab');
	deSelectTab('SectionsTab');
	deSelectTab('CategoriesTab');
	deSelectTab('FeaturesTab');
	deSelectTab('ResearchTab');
	deSelectTab('ContactsTab');
	selectTab('AudienceTab');
}

function showRates()
{	
	hideLayer('brandOverviewContent');
	hideLayer('audienceContent');
	showLayer('ratesContent');
	hideLayer('specsAndDeadlinesContent');
	hideLayer('sectionsContent');
	hideLayer('categoriesContent');
	hideLayer('featuresAndReportsContent');
	hideLayer('researchContent');
	hideLayer('contactsContent');

	deSelectTab('BrandTab');
	deSelectTab('AudienceTab');
	deSelectTab('SpecsTab');
	deSelectTab('SectionsTab');
	deSelectTab('CategoriesTab');
	deSelectTab('FeaturesTab');
	deSelectTab('ResearchTab');
	deSelectTab('ContactsTab');
	selectTab('RatesTab');
}

function showSpecsDeadlines()
{
	hideLayer('brandOverviewContent');
	hideLayer('audienceContent');
	hideLayer('ratesContent');
	showLayer('specsAndDeadlinesContent');
	hideLayer('sectionsContent');
	hideLayer('categoriesContent');
	hideLayer('featuresAndReportsContent');
	hideLayer('researchContent');
	hideLayer('contactsContent');

	deSelectTab('BrandTab');
	deSelectTab('AudienceTab');
	deSelectTab('RatesTab');
	deSelectTab('SectionsTab');
	deSelectTab('CategoriesTab');
	deSelectTab('FeaturesTab');
	deSelectTab('ResearchTab');
	deSelectTab('ContactsTab');
	selectTab('SpecsTab');
}

function showSections()
{
	hideLayer('brandOverviewContent');
	hideLayer('audienceContent');
	hideLayer('ratesContent');
	hideLayer('specsAndDeadlinesContent');
	showLayer('sectionsContent');
	hideLayer('categoriesContent');
	hideLayer('featuresAndReportsContent');
	hideLayer('researchContent');
	hideLayer('contactsContent');

	deSelectTab('BrandTab');
	deSelectTab('AudienceTab');
	deSelectTab('RatesTab');
	deSelectTab('SpecsTab');
	deSelectTab('CategoriesTab');
	deSelectTab('FeaturesTab');
	deSelectTab('ResearchTab');
	deSelectTab('ContactsTab');
	selectTab('SectionsTab');
}

function showCategories()
{
	hideLayer('brandOverviewContent');
	hideLayer('audienceContent');
	hideLayer('ratesContent');
	hideLayer('specsAndDeadlinesContent');
	hideLayer('sectionsContent');
	showLayer('categoriesContent');
	hideLayer('featuresAndReportsContent');
	hideLayer('researchContent');
	hideLayer('contactsContent');

	deSelectTab('BrandTab');
	deSelectTab('AudienceTab');
	deSelectTab('RatesTab');
	deSelectTab('SpecsTab');
	deSelectTab('SectionsTab');
	deSelectTab('FeaturesTab');
	deSelectTab('ResearchTab');
	deSelectTab('ContactsTab');
	selectTab('CategoriesTab');
}

function showFeaturesReports()
{
	hideLayer('brandOverviewContent');
	hideLayer('audienceContent');
	hideLayer('ratesContent');
	hideLayer('specsAndDeadlinesContent');
	hideLayer('sectionsContent');
	hideLayer('categoriesContent');
	showLayer('featuresAndReportsContent');
	hideLayer('researchContent');
	hideLayer('contactsContent');

	deSelectTab('BrandTab');
	deSelectTab('AudienceTab');
	deSelectTab('RatesTab');
	deSelectTab('SpecsTab');
	deSelectTab('SectionsTab');
	deSelectTab('CategoriesTab');
	deSelectTab('ResearchTab');
	deSelectTab('ContactsTab');
	selectTab('FeaturesTab');
}

function showResearch()
{
	hideLayer('brandOverviewContent');
	hideLayer('audienceContent');
	hideLayer('ratesContent');
	hideLayer('specsAndDeadlinesContent');
	hideLayer('sectionsContent');
	hideLayer('categoriesContent');
	hideLayer('featuresAndReportsContent');
	showLayer('researchContent');
	hideLayer('contactsContent');

	deSelectTab('BrandTab');
	deSelectTab('AudienceTab');
	deSelectTab('RatesTab');
	deSelectTab('SpecsTab');
	deSelectTab('SectionsTab');
	deSelectTab('CategoriesTab');
	deSelectTab('FeaturesTab');
	deSelectTab('ContactsTab');
	selectTab('ResearchTab');
}

function showContacts()
{
	hideLayer('brandOverviewContent');
	hideLayer('audienceContent');
	hideLayer('ratesContent');
	hideLayer('specsAndDeadlinesContent');
	hideLayer('sectionsContent');
	hideLayer('categoriesContent');
	hideLayer('featuresAndReportsContent');
	hideLayer('researchContent');
	showLayer('contactsContent');

	deSelectTab('BrandTab');
	deSelectTab('AudienceTab');
	deSelectTab('RatesTab');
	deSelectTab('SpecsTab');
	deSelectTab('SectionsTab');
	deSelectTab('CategoriesTab');
	deSelectTab('FeaturesTab');
	deSelectTab('ResearchTab');
	selectTab('ContactsTab');
}