function showClass(id, id2, id3) {
	if (document.getElementById(id).className=='last') {
		document.getElementById(id).className='active last';
		}
	else {
		if (document.getElementById(id).className!='active1' && document.getElementById(id).className!='active1 last') {
	document.getElementById(id).className='active';
		}
	}
	document.getElementById(id2).className='active';
	document.getElementById(id3).className='active';
	}
	
function hideClass(id, id2, id3) {
	if (document.getElementById(id).className=='active last' || document.getElementById(id).className=='last') {
		document.getElementById(id).className='last';
		}
	else {
		if (document.getElementById(id).className!='active1' && document.getElementById(id).className!='active1 last'){
	document.getElementById(id).className='';
		}
	}
	if (document.getElementById(id).className!='active1' && document.getElementById(id).className!='active1 last') {
	document.getElementById(id2).className='';
	}
	if (document.getElementById(id).className!='active1' && document.getElementById(id).className!='active1 last') {
	document.getElementById(id3).className='';
	}
	}
	
function toggle(id, id2, id3, id4) {
	if(document.getElementById(id).style.display=='none') {
		document.getElementById(id).style.display='block';
		if (document.getElementById(id2).className=='active last' || document.getElementById(id2).className=='active1' || document.getElementById(id2).className=='last'){
		document.getElementById(id2).className='active1 last';
		}
		else {
			document.getElementById(id2).className='active1';
			}
		document.getElementById(id3).className='active';
		document.getElementById(id4).className='active';
		}
	else{
		document.getElementById(id).style.display='none';
		if(document.getElementById(id2).className=='active1 last' || document.getElementById(id2).className=='active last'){
		document.getElementById(id2).className='last';
		}
		else {
			document.getElementById(id2).className='';
			}
		document.getElementById(id3).className='';
		document.getElementById(id4).className='';
		}
	}	
	
	
	
function toggle1 (id) {
	if (document.getElementById(id).style.display=='none'){
		document.getElementById(id).style.display='block';
		}
	else{
		document.getElementById(id).style.display='none';
		}
	}