function swapImage(obj, imgName){
	var source = obj.src;

	var path = source.substring(0,source.lastIndexOf('/')+1);
	obj.src = path+imgName;
}

function swapImageById(id, imgName){
	var obj = document.getElementById(id);
	var source = obj.src;

	var path = source.substring(0,source.lastIndexOf('/')+1);
	obj.src = path+imgName;
}

function btnRoll(btn){
	btn.style.background = '#999999';
}

function btnReset(btn){
	btn.style.background = '#666666';
}

function rollBasecloth(item){
	item.style.border = '1px solid #000000';
}

function resetBasecloth(item){
	item.style.border = '1px solid #FFFFFF';
}