var wait;
function trazi()
{
	var trazeno = document.getElementById('searchBox').value;
	var grup_id = getURLParam('cat_id');
	if (grup_id == "")
	{
		grup_id = 1;
	}
	
	document.location='results.php?trazi='+trazeno+'&cat_id='+grup_id;
	
}

function getURLParam(strParamName)
{
	var strReturn = "";
	var strHref = window.location.href;
	if ( strHref.indexOf("?") > -1 )
	{
		var strQueryString = strHref.substr(strHref.indexOf("?")).toLowerCase();
		var aQueryString = strQueryString.split("&");
		for ( var iParam = 0; iParam < aQueryString.length; iParam++ )
		if (aQueryString[iParam].indexOf(strParamName + "=") > -1 )
		{
			var aParam = aQueryString[iParam].split("=");
			strReturn = aParam[1];
			break;
		}
	}
	return strReturn;
}