function show(){
	for (var e=1; e<5; e++){
		var lh = document.getElementById('lh'+e), lt = document.getElementById('lt'+e), bl = document.getElementById('bl'+e);
		if ((lh.innerHTML.length>2)&&(lt.innerHTML.length>2)){
			bl.style.display = 'block';
		} 
	}
}

function showItems(){
	for (var e=1; e<6; e++){
		var txt = document.getElementById('text'+e), mb = document.getElementById('main-block'+e);
		if (txt.innerHTML.length>5){
			mb.style.display = 'block';
		}
	}
}