var ut_step = 1;

var ut_id_interval;

var ut_it 	= 0;
var ut_et 	= 0;

if( window.document.getElementById == null ) {
	window.document.getElementById = function( id ) {
		return document.all[id];
  }
}

function userTimeCounter() {
	
	var elem_it 	= document.getElementById('italian_hour');
	var elem_et 	= document.getElementById('etiopian_hour');
	
	if(elem_it == false || elem_et == false) {
		alert('not_found');
		window.clearInterval(ut_id_interval);
	}
	
	ut_it 	+= ut_step;
	ut_et 	+= ut_step;
	
	hour 	= Math.floor(ut_it / 3600);
	minute 	= Math.floor((ut_it % 3600) / 60);
	second 	= (ut_it % 60);
	
	elem_it.innerHTML = ( hour == 0 ? '00:' : hour+':' ) + 
		( minute <= 9 ? '0' + minute : minute );
	
	hour 	= Math.floor(ut_et / 3600);
	minute 	= Math.floor((ut_et % 3600) / 60);
	second 	= (ut_et % 60);
	
	if( minute.length <= 1 ) minute = '0' + minute;
	
	elem_et.innerHTML = ( hour == 0 ? '00:' : hour+':' ) + 
		( minute <= 9 ? '0' + minute : minute );
}

function userCounterStart(it_sec, et_sec) {
	
	ut_it 	= it_sec;
	ut_et 	= et_sec;
	
	ut_id_interval = window.setInterval("userTimeCounter()", ut_step * 1000);
}

function openList(rif) {
	var r_id = document.getElementById(rif);
	r_id.style.display = 'block';
}

function closeList(rif) {
	var r_id = document.getElementById(rif);
	r_id.style.display = 'none';
}