function sf(txt)
{
 document.write(txt);
};

function swm4(n)
{
 if (document.getElementById("menuitem"+n))
  {
   var menuitem=document.getElementById("menuitem"+n);
   if (menuitem.className=="m1 active") menuitem.className="m1"; else menuitem.className="m1 active";
  };
};

var pic = new Array();
var fid = null;

function switch_tab(lnk, active, old)
{
	lnk.blur();
	
	old_tab = document.getElementById('tab'+old);
	active_tab = document.getElementById('tab'+active);
	
	old_tab.style.display = 'none';
	active_tab.style.display = '';
	
	
	old_top = document.getElementById('cctop'+old);
	active_top = document.getElementById('cctop'+active);
	
	old_top.style.display = 'none';
	active_top.style.display = '';
	
	
	old_item = document.getElementById('item'+old);
	active_item = document.getElementById('item'+active);
	
	old_item.className = '';
	active_item.className = 'active';
	
	fid = active;
	ccch(1);
}

function switch_btn_pickblock(lnk, id)
{
	document.getElementById('btn-lnk'+pickblock).className = '';
	
	document.getElementById('btn-block'+pickblock).style.display = 'none';
	
	document.getElementById('btn-block'+id).style.display = '';
	
	pickblock = id;

	lnk.blur();
	lnk.className = 'active';
}