function blogs_checkFrmToAdd(oForm) {
	var bPermit = true;
	var arrFields = oForm.elements;
	var i = 0;
	for (i=0; i<arrFields.length; i++) {
		var theFld = arrFields[i];
		var sName = theFld.name;
		if (sName === 'title' || sName === 'content' || sName === 'nick') {
			var sValue = theFld.value;
			if (!sValue.length) {
				bPermit = false;
				break;
			}
		}
	}
	if (!bPermit) alert("Необходимо заполнить все обязательные поля");
	return bPermit;
}
function change_data_user(oForm) {
	var arrElements = oForm.elements;
	var i = 0;
	for (i=0; i<arrElements.length; i++) {
		var elementForm = arrElements[i];
		if (elementForm.type == 'file') if (elementForm.value == '') elementForm.parentNode.removeChild(elementForm);
	}
}

function showAddForm(e) {
	var boo = e.nextSibling;
	while (boo && boo.nodeType !== 1) boo = boo.nextSibling;
	if (boo && boo.style && boo.style.display != 'block') {
		boo.style.display = 'block';
		e.style.backgroundImage = 'url(/img/blogs/add_form_view.jpg)';
	}
	else if (boo && boo.style) {
		boo.style.display = 'none';
		e.style.backgroundImage = 'url(/img/blogs/add_form_hidden.jpg)';
	}
}

function showAddFormComments(e) {
	var theP = e.parentNode;
	var boo = e.nextSibling;
	var height = '21px';
	while (boo && boo.nodeType !== 1) boo = boo.nextSibling;
	if (theP.className == 'add_form guest') height = '272px';
	else if (theP.className == 'add_form') height = '226px';
	if (theP.style.height != height) {
		theP.style.height = height;
		if (boo && boo.style) boo.style.display = 'block';
	}
	else {
		theP.style.height = '21px';
		if (boo && boo.style) boo.style.display = 'none';
	}
}

function showAuthForm(oForm) {
	if (oForm.style.display == 'block') oForm.style.display = 'none';
	else oForm.style.display = 'block';
}