var lVisible=null;
var lObj=null;
var killID=null;
var isMoz=(navigator.appName.indexOf('Netscape')>-1?true:false);

function show(mid, obj){
	if(lVisible){
		kill();
	}
	lVisible=document.getElementById('sub'+mid);
	lVisible.style.display='block';
	lObj=obj;
	lObj.className='active';
	keep();
	if(isMoz){
		document.getElementById('swf').style.display='none';
		document.getElementById('pic').style.display='block';
	}
}

function hide(){
	if(lVisible){
		killID=setTimeout('kill()', 1000);
	}
}

function keep(){
	clearTimeout(killID);
}

function kill(){
	if(lVisible){
		lVisible.style.display='none';
		lVisible=null;
		lObj.className='';
		if(isMoz){
			document.getElementById('swf').style.display='block';
			document.getElementById('pic').style.display='none';
		}
	}
}