function switchBlock(id) {
	obj = document.getElementById(id);

	obj.style.display = obj.style.display!='block' ? 'block' : 'none';
}

var hotActive = 1;

function hot(number) {
	document.getElementById('hotImg'+hotActive).style.display = 'none';
	document.getElementById('hotItem'+hotActive).className = 'item';
	document.getElementById('hotAnnounce'+hotActive).style.display = 'none';

	document.getElementById('hotImg'+number).style.display = 'block';
	document.getElementById('hotItem'+number).className = 'item hilite';
	document.getElementById('hotAnnounce'+number).style.display = 'block';

	hotActive = number;
}

function switchLayer(id) {
	if (obj=document.getElementById(id)) {
		if (!obj.style.display || obj.style.display=='block')
			obj.style.display = 'none';
		else
			obj.style.display = 'block';
	}
}

function closeTip(id) {
	if (obj=document.getElementById(id)) {
		obj.style.display = 'none';
	}
}

function switchAdForm(status) {
	if (status) {
		document.getElementById('adFields').style.display = 'block';
		document.getElementById('adExample').style.display = 'block';
		document.getElementById('howToAd').style.display = 'block';
	} else {
		document.getElementById('adFields').style.display = 'none';
		document.getElementById('adExample').style.display = 'none';
		document.getElementById('howToAd').style.display = 'none';
	}
}

function limitText(limitField, limitCountId, limitNum) { 
	if (limitCount = document.getElementById(limitCountId)) {
		if (limitField.value.length > limitNum) { 
			limitField.value = limitField.value.substring(0, limitNum); 
		} else { 
			limitCount.innerHTML = limitNum - limitField.value.length; 
		} 

		if (limitField.value.length > limitNum-16) { 
			limitCount.className = 'red';
		} else { 
			limitCount.className = '';
		} 

	}
}