// JavaScript Document
    function getItem(id)
    {
        var itm = false;
        if(document.getElementById)
            itm = document.getElementById(id);
        else if(document.all)
            itm = document.all[id];
        else if(document.layers)
            itm = document.layers[id];

        return itm;
    }
	
	function hideItem(id)
    {
        itm = getItem(id);
		
        if(!itm)
            return false;
		itm.style.display = 'none';
	}
	
		function showItem(id)
    {
        itm = getItem(id);
		
        if(!itm)
            return false;
		itm.style.display = '';
	}