function tab_hover(obj, id)
{
	var tab_menu_container=document.getElementById('tabs_menu');

    for(var i=0; i<tab_menu_container.childNodes.length; i++)
	{
		if(tab_menu_container.childNodes[i].nodeType==1)
			tab_menu_container.childNodes[i].className=''; 
    }

	var tab_content_container=document.getElementById('tabs_content');
	

	for(var i=0; i<tab_content_container.childNodes.length; i++) 
	{
		if(tab_content_container.childNodes[i].nodeType==1)
			tab_content_container.childNodes[i].style.display='none'; 
    }
	
	var link = document.getElementById(id);
	link.style.display='block';
	obj.parentNode.className='active'; 
		
	return false;
}