function showEl(el) {
	hideAll();
	document.getElementById(el+'-cnt').style.display='block';
	document.getElementById(el).className='active';
}

function hideAll() {
	for(var i=0; i<els.length; i++) {
		try {
			document.getElementById(els[i]+'-cnt').style.display='none';
			document.getElementById(els[i]).className='';
		} catch(e) {
			
		}
	}
}
function showEl2(el) {
	hideAll2();
	document.getElementById(el+'-cnt').style.display='block';
	document.getElementById(el).className='active';
}

function hideAll2() {
	for(var i=0; i<els2.length; i++) {
		try {
			document.getElementById(els2[i]+'-cnt').style.display='none';
			document.getElementById(els2[i]).className='';
		} catch(e) {
			
		}
	}
}
var pointer = 0;