function zobrazSkryj(idecko)
{
	el = document.getElementById(idecko).style;
	el.display = (el.display == 'block')?'none':'block';
}

function zobraz(idecko)
{
	el = document.getElementById(idecko).style;
	el.display = 'block';
}
function skryj(idecko)
{
	el = document.getElementById(idecko).style;
	el.display = 'none';
}

function zobrazSkryj2(idecko, idecko2)
{
	el = document.getElementById(idecko).style;
	el.display = (el.display == 'block')?'none':'block';

	el2 = document.getElementById(idecko2).style; 
	el2.display = (el2.display == 'none')?'block':'none';
}

function Skryjzobraz(idecko)
{
	var dalsi = new Date();
	dalsi.setFullYear(dalsi.getFullYear() + 3);

	el = document.getElementById(idecko).style;
	el.display = (el.display == 'none') ? 'block' : 'none';

	if(el.display == 'none') {
		document.cookie = "zbaleno=ano; expires=" + dalsi.toGMTString() + "; path=/";
	}
	else {
		document.cookie = "zbaleno=ne; expires=" + dalsi.toGMTString() + "; path=/";
	}
}

function zbalenoNeboRozbaleno(idecko)
{
	var allcookies = document.cookie;
	var pos = allcookies.indexOf("zbaleno=");
	el = document.getElementById(idecko).style;

	if(pos != -1) {
		var start = pos + 8;
		var end = allcookies.indexOf(";", start);

		if(end == -1) {
			end = allcookies.length;
		}

		var value = allcookies.substring(start, end);
		//alert(value+" f");
		el.display = (value == "ano") ? 'none' : 'block';
	}
	else {
		el.display = "block";
	}
}