function update()
{
	var form = document.data;
	form.submit();
}

function displaySubcategories(id)
{
	var category = categories[id];
	var subcategories = category['subcategories'];
	
	var html = '';
	
	html = '<label for="idsubcategory">Subcategoria</label>';
		
	//if(empty($class)) $class = 'formselect1';
		
	html += '<select name="idsubcategory">';
	html += '<option value="-1">Elige</option>';
		
	for(var i = 0; i < subcategories.length; i++)
	{
		subcategory = subcategories[i];
		
		html += '<option value="'+subcategory['id']+'"';
		//if($selected == $value) $html .= ' selected';
		html += '>'+subcategory['name']+'</option>';
	}
	
	html += '</select>';
	//alert(id);
	//alert(.name);
	fillElement('subcategories', html);
}

function fillElement(parent, content)
{
	var parentElement = document.getElementById(parent);
	parentElement.innerHTML = content;
}

function equalize() 
{
	var menu = document.getElementById('menu');
	if(document.getElementById('content')) var content = document.getElementById('content');
	if(document.getElementById('cities')) var content = document.getElementById('cities');
	if(document.getElementById('sponsors')) var content = document.getElementById('sponsors');
	
	var hm = menu.offsetHeight;
	var hc = content.offsetHeight;

	if(hm > hc) content.style.height = hm+"px";
	//else menu.style.height = hc+"px";
}