function switchTagCT(who){
	now=who;
	for(var i=1; i<=2; i++){
		MM_swapImage('tag'+i,'','/home/images/tag'+i+((i==now)? 'o' : '')+'.gif',1);
		document.getElementById('tagCT'+i).style.display=(i==now)? "block" : "none";
	}
}