function show(inputData) {
	var objID=document.getElementById( "layer_" + inputData );
	var buttonID=document.getElementById( "category_" + inputData );
	if(objID.className==null) {
		objID.style.display='block';
		objID.className='open';
	}
	if(objID.className=='open') {
		objID.style.display='none';
		objID.className='close';
	}else{
		objID.style.display='block';
		objID.className='open';
	}
}