function price(id)
	 {
	 var td = document.getElementById(id+'_head');
	 if(td.className == 'no-active')
	 {
	 document.getElementById(id+'_more').className='undefined';
	 document.getElementById(id+'_head').className = 'active';
	 }
	 else
	 {
	 document.getElementById(id+'_more').className='more';
	 document.getElementById(id+'_head').className = 'no-active';
	}
	}