function show(layerName) {
	document.getElementById(layerName).style.display ='block';
	
}

function hide(layerName) {
	document.getElementById(layerName).style.display = 'none';
}

function showHideDiv(idContainer,idShow)	
	 {
	continer = document.getElementById(idContainer); 
	divs = continer.getElementsByTagName("div"); 
	for (var i = 0; i < divs.length; i++) 
		{ 
		classDiv= divs[i].className; 
			if ( classDiv == "eveniment") 
			{ 
  				 hide(divs[i].id);
			}
			show(idShow) ;
	}
}