function styleSwitch(strID, btnID) {
	
	//strId = document.getElementById(strID);
	
	//strButton = document.strId.getElementByTagName("span");
	//strStatus = strId.getElementByTagName('ul').style.display;
	
	strStatus = document.getElementById(strID).style.display;
	btnStatus = document.getElementById(btnID);
	
	if(strStatus == 'none') {
		document.getElementById(strID).style.display = 'block';
		btnStatus.className = 'btn-closer';
	}else if(strStatus == 'block') {
		document.getElementById(strID).style.display = 'none';
		btnStatus.className = 'btn-opener';
	}else if(btnStatus.className == 'btn-closer'){
		document.getElementById(strID).style.display = 'none';
		btnStatus.className = 'btn-opener';
	}else{
		document.getElementById(strID).style.display = 'block';
		btnStatus.className = 'btn-closer';
	}
	
}