function swapper(id){
	
	var menu = document.getElementById(id);
	
	if (id == 'menu_company'){
		document.getElementById('tab_about').className = 'over';
		document.getElementById('tab_news').className = '';
		document.getElementById('tab_product').className = '';
		document.getElementById('tab_supportarea').className = '';
		document.getElementById('tab_customer').className = '';
		document.getElementById('tab_partner').className = '';
		document.getElementById('tab_download').className = '';
		
		document.getElementById('menu_company').style.display = 'block';
		document.getElementById('menu_news').style.display = 'none';
		document.getElementById('menu_products').style.display = 'none';
		document.getElementById('menu_support').style.display = 'none';
		document.getElementById('menu_customers').style.display = 'none';
		document.getElementById('menu_partners').style.display = 'none';
		document.getElementById('menu_downloads').style.display = 'none';
	}
	
	if (id == 'menu_news'){
		document.getElementById('tab_about').className = '';
		document.getElementById('tab_news').className = 'over';
		document.getElementById('tab_product').className = '';
		document.getElementById('tab_supportarea').className = '';
		document.getElementById('tab_customer').className = '';
		document.getElementById('tab_partner').className = '';
		document.getElementById('tab_download').className = '';
		
		document.getElementById('menu_company').style.display = 'none';
		document.getElementById('menu_news').style.display = 'block';
		document.getElementById('menu_products').style.display = 'none';
		document.getElementById('menu_support').style.display = 'none';
		document.getElementById('menu_customers').style.display = 'none';
		document.getElementById('menu_partners').style.display = 'none';
		document.getElementById('menu_downloads').style.display = 'none';
	}
	
	if (id == 'menu_products'){
		document.getElementById('tab_about').className = '';
		document.getElementById('tab_news').className = '';
		document.getElementById('tab_product').className = 'over';
		document.getElementById('tab_supportarea').className = '';
		document.getElementById('tab_customer').className = '';
		document.getElementById('tab_partner').className = '';
		document.getElementById('tab_download').className = '';
		
		document.getElementById('menu_company').style.display = 'none';
		document.getElementById('menu_news').style.display = 'none';
		document.getElementById('menu_products').style.display = 'block';
		document.getElementById('menu_support').style.display = 'none';
		document.getElementById('menu_customers').style.display = 'none';
		document.getElementById('menu_partners').style.display = 'none';
		document.getElementById('menu_downloads').style.display = 'none';
	}
	
	if (id == 'menu_support'){
		document.getElementById('tab_about').className = '';
		document.getElementById('tab_news').className = '';
		document.getElementById('tab_product').className = '';
		document.getElementById('tab_supportarea').className = 'over';
		document.getElementById('tab_customer').className = '';
		document.getElementById('tab_partner').className = '';
		document.getElementById('tab_download').className = '';
		
		document.getElementById('menu_company').style.display = 'none';
		document.getElementById('menu_news').style.display = 'none';
		document.getElementById('menu_products').style.display = 'none';
		document.getElementById('menu_support').style.display = 'block';
		document.getElementById('menu_customers').style.display = 'none';
		document.getElementById('menu_partners').style.display = 'none';
		document.getElementById('menu_downloads').style.display = 'none';
	}
	
	if (id == 'menu_customers'){
		document.getElementById('tab_about').className = '';
		document.getElementById('tab_news').className = '';
		document.getElementById('tab_product').className = '';
		document.getElementById('tab_supportarea').className = '';
		document.getElementById('tab_customer').className = 'over';
		document.getElementById('tab_partner').className = '';
		document.getElementById('tab_download').className = '';
		
		document.getElementById('menu_company').style.display = 'none';
		document.getElementById('menu_news').style.display = 'none';
		document.getElementById('menu_products').style.display = 'none';
		document.getElementById('menu_support').style.display = 'none';
		document.getElementById('menu_customers').style.display = 'block';
		document.getElementById('menu_partners').style.display = 'none';
		document.getElementById('menu_downloads').style.display = 'none';
	}
	
	if (id == 'menu_partners'){
		document.getElementById('tab_about').className = '';
		document.getElementById('tab_news').className = '';
		document.getElementById('tab_product').className = '';
		document.getElementById('tab_supportarea').className = '';
		document.getElementById('tab_customer').className = '';
		document.getElementById('tab_partner').className = 'over';
		document.getElementById('tab_download').className = '';
		
		document.getElementById('menu_company').style.display = 'none';
		document.getElementById('menu_news').style.display = 'none';
		document.getElementById('menu_products').style.display = 'none';
		document.getElementById('menu_support').style.display = 'none';
		document.getElementById('menu_customers').style.display = 'none';
		document.getElementById('menu_partners').style.display = 'block';
		document.getElementById('menu_downloads').style.display = 'none';
	}
	
	if (id == 'menu_downloads'){
		document.getElementById('tab_about').className = '';
		document.getElementById('tab_news').className = '';
		document.getElementById('tab_product').className = '';
		document.getElementById('tab_supportarea').className = '';
		document.getElementById('tab_customer').className = '';
		document.getElementById('tab_partner').className = '';
		document.getElementById('tab_download').className = 'over';
		
		document.getElementById('menu_company').style.display = 'none';
		document.getElementById('menu_news').style.display = 'none';
		document.getElementById('menu_products').style.display = 'none';
		document.getElementById('menu_support').style.display = 'none';
		document.getElementById('menu_customers').style.display = 'none';
		document.getElementById('menu_partners').style.display = 'none';
		document.getElementById('menu_downloads').style.display = 'block';
	}
	
}

function swapper_undo(id){
	
	var current_tab = 'tab_' + id;
	
	document.getElementById('tab_about').className = '';
	document.getElementById('tab_news').className = '';
	document.getElementById('tab_product').className = '';
	document.getElementById('tab_supportarea').className = '';
	document.getElementById('tab_customer').className = '';
	document.getElementById('tab_partner').className = '';
	document.getElementById('tab_download').className = '';

	if (id) document.getElementById(current_tab).className = 'over';
	
	document.getElementById('menu_company').style.display = 'none';
	document.getElementById('menu_news').style.display = 'none';
	document.getElementById('menu_products').style.display = 'none';
	document.getElementById('menu_support').style.display = 'none';
	document.getElementById('menu_customers').style.display = 'none';
	document.getElementById('menu_partners').style.display = 'none';
	document.getElementById('menu_downloads').style.display = 'none';

	
}