var iDEBUG = 0;

var Utility =
{
    debug:function(sMessage)
    {
        var oDebug = document.getElementById("DEBUG");
        if (oDebug == null) return;

        oDebug.innerHTML = (iDEBUG++) + " - " + sMessage;
    },

    isDefined:function(pParam)
    {
        return (typeof(pParam) != "undefined");
    },

    isIE:function ()
    {
        return ((navigator.userAgent.toLowerCase().indexOf("msie") != -1) && (navigator.userAgent.toLowerCase().indexOf("opera") == -1));
    },

    isFireFox:function()
    {
        return ((navigator.userAgent.toLowerCase().indexOf("gecko") != -1) || (navigator.userAgent.toLowerCase().indexOf("firefox") != -1));
    }
}