function toggleDiv(id) {
	
	target = document.getElementById(id + '-block');
	subtarget = document.getElementById(id);
	if (target.style.display == 'none'){
		target.style.display='block';
		subtarget.className='price-list-header-open';
	} else {
		target.style.display='none';
		subtarget.className='price-list-header-close';
	}
	
}