//
// (c) 2006 webActive group


function $(s_ID)
{
    return document.getElementById(s_ID);
}

function isset(s_VarName)
{
    return (typeof(window[s_VarName]) != 'undefined');
}

function isIE()
{
    var s_Browser = navigator.userAgent.toLowerCase();
    return (s_Browser.indexOf('msie') != -1 && s_Browser.indexOf('opera') == -1); 
}

function isOpera()
{
    var s_Browser = navigator.userAgent.toLowerCase();
    return s_Browser.indexOf('opera') != -1; 
}

function include(s_Filename)
{
    var o_Script = document.createElement('script');
    o_Script.src = s_Filename;
    o_Script.type = 'text/javascript';
    document.body.appendChild(o_Script);
}

function addEvent(target, event, func)
{
    if (target.addEventListener)
    {
        if (event == 'mousewheel')
            event = 'DOMMouseScroll';
        target.addEventListener(event, func, false);
    }
        else
    {
        target.attachEvent('on' + event, func);
    }
}