/*
*/


var BitLet = function(){
    return {
        openPopup : function(torrentUrl, stylesheet) {
            var popUpWindowUrl = "http://www.bitlet.org/download?torrent=" + torrentUrl + "&referer=" + encodeURIComponent(location.href);
            if (stylesheet!=null){
                popUpWindowUrl += "&stylesheet=" + stylesheet;
            }
            var popUpWindow = window.open(popUpWindowUrl,'', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=400,height=220');
            if (popUpWindow==null || typeof(popUpWindow)=="undefined") {
                return false;
            } else {
                return true;
            }
        },

        openPopupChecked : function(torrentUrl, stylesheet) {
            if (!BitLet.openPopup(torrentUrl, stylesheet))
                
                alert("Grrrr, someone is blocking the download popup window. Please disable any popup blocker.");
            return false;
        },
        
        openDownloadFromAnchor : function(anchor){
            var torrentUrl = BitLet.getURLParam("torrent",anchor.href);
            if (torrentUrl.lenght == 0){
                
                alert("Missing the \"torrent\" parameter");
                return false;
            }
            var stylesheet = BitLet.getURLParam("stylesheet",anchor.href);
            BitLet.openPopupChecked(torrentUrl, stylesheet);
            return false;
        },

        getURLParam : function(paramName,url){
            var paramValue = null;
            if ( url.indexOf("?") > -1 ){
                var queryString = url.substr(url.indexOf("?"));
                var parameters = queryString.split("&");
                for ( var i = 0; i < parameters.length; i++ ){
                    if ( parameters[i].indexOf(paramName + "=") > -1 ){
                        var paramTuple = parameters[i].split("=");
                        paramValue = paramTuple[1];
                        break;
                    }
                }
            }
            return paramValue;
        }
    }
}();