// Expand pentru MENiU
function expand(id)
{
	document.getElementById('cat_'+id).style.display = 'block';
	document.getElementById('img_'+id).src = poze_url + 'btn_contract.png';
	menu['cat_'+id] = 1;
}

// Contract pentru MENiU
function contract(id)
{
	document.getElementById('cat_'+id).style.display = 'none';
	document.getElementById('img_'+id).src = poze_url + 'btn_expand.png';
	menu['cat_'+id] = 0;
}

/**
*
* Javascript trim, ltrim, rtrim
* http://www.webtoolkit.info/
*
*
**/

function trim(str, chars) {
    return ltrim(rtrim(str, chars), chars);
}

function ltrim(str, chars) {
    chars = chars || "\\s";
    return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}

function rtrim(str, chars) {
    chars = chars || "\\s";
    return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}