var functions = {
	
	initialize: function()
	{
		
	},
	
	clearInput: function(elem, defVal)
	{
		if (elem.value == defVal)
			elem.value = '';
	},
	
	fillInput: function(elem, defVal)
	{
		if (elem.value == '')
			elem.value = defVal;
	},
	
	toogleHomePageNewsImage: function(elem, url, first)
	{
		if (url !== '')
		{
			var imgElem = document.getElementById('news-big-image');
			var ul = elem.parentNode.parentNode.parentNode;
			var lis = ul.getElementsByTagName('li');
			
			for (var i = 0; i < lis.length; i++)
			{
				if (0 == i)
					lis[i].className = 'first';
					
				else
					lis[i].className = '';
			}
			
			imgElem.src = url;
			
			if (first)
				elem.parentNode.className = 'first active';
				
			else
				elem.parentNode.className = 'active';
		}
	}
}