//non affichage des erreurs (ie)
                        var curvyCornersVerbose = false; 
            
                        function checkInternetExplorer() {
                            var rv = -1; // Return value assumes failure.
                            if (navigator.appName == 'Microsoft Internet Explorer') {
                                return true;
                                /*var ua = navigator.userAgent;
                                var re = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
                                if (re.exec(ua) != null)
                                    rv = parseFloat(RegExp.$1);*/
                            }else{
                                return false;
                            }
                            //return rv;
                        }

                        var IE6 = false;
                        var IE7 = false;
                        var IE8 = false;
                        var IE9 = false;
                        var IE = false;
                        if (window.navigator.appName == 'Microsoft Internet Explorer') IE = true;

                        var strChUserAgent = navigator.userAgent;
                        var intSplitStart = strChUserAgent.indexOf("(",0);
                        var intSplitEnd = strChUserAgent.indexOf(")",0);
                        var strChMid = strChUserAgent.substring(intSplitStart, intSplitEnd);

                        if(strChMid.indexOf("MSIE 6") != -1) IE6 = true;
                        if(strChMid.indexOf("MSIE 7") != -1) IE7 = true;
                        if(strChMid.indexOf("MSIE 8") != -1) IE8 = true;
                        if(strChMid.indexOf("MSIE 9") != -1) IE9 = true;