function showCatalogCategory(id)
{
	var block=document.getElementById("catalogBlock");
	if(block)
	{
	 	uls=block.getElementsByTagName("UL");
	 	for(i=0;i<uls.length;i++)
	 	{
	 		if(uls[i].id==id)
	 			uls[i].style.display="block";
	 		else
	 			uls[i].style.display="none";
	 	}
	}
	return false;
}