function TwHideShow(thisid){
	thisulobj = document.getElementById('TW_gid'+thisid);
	thispicobj = document.getElementById('TW_pic'+thisid);
	if (thispicobj != undefined && thisulobj != undefined){
		thefolder = thispicobj.src.substr(0, thispicobj.src.lastIndexOf("/"))+'/';
		if(thisulobj.style.display == 'none' || thisulobj.style.display == ''){
			thisulobj.style.display = 'block';
			thispicobj.src = thefolder+'corner.png';
		} else {
			thisulobj.style.display = 'none';
			thispicobj.src = thefolder+'straight.png';
		}
	}
}

function TwGetState(thisid){
	thisidspilts = thisid.split(':');
	var theid;
	for(i=0;i<thisidspilts.length;i++){
		if (theid==undefined){
			theid=thisidspilts[i];
		} else {
			theid+=':'+thisidspilts[i];
		}
		TwHideShow(theid);
	}
}