/* Objects */ function item_array(n) { this.length = n; return this; } function earth_station_item(name, latitude, longitude) { this.name = name; this.latitude = latitude; this.longitude = longitude; } function satellite_item(name, longitude) { this.name = name; this.longitude = longitude; } function outage_item(outage_date, start_time, end_time, duration) { this.outage_date = outage_date; this.start_time = start_time; this.end_time = end_time; this.duration = duration; } /* Earth station list */ EARTH_STATION_COUNT = 86; var ES_list = new item_array(EARTH_STATION_COUNT); ES_list[1] = new earth_station_item('Abidjan',5.32,-4.02); ES_list[2] = new earth_station_item('Abuja',9.2,7.18); ES_list[3] = new earth_station_item('Alma-Ata',43.32,76.92); ES_list[4] = new earth_station_item('Anadyr',64.67,177.53); ES_list[5] = new earth_station_item('Antananarivo',-18.92,47.52); ES_list[6] = new earth_station_item('Arkhangelsk',64.53,41.17); ES_list[7] = new earth_station_item('Ashkhabad',37.97,58.4); ES_list[8] = new earth_station_item('Astana',51.18,71.42); ES_list[9] = new earth_station_item('Athens',37.98,23.7); ES_list[10] = new earth_station_item('Baghdad',33.33,44.43); ES_list[11] = new earth_station_item('Bangalore',12.97,77.58); ES_list[12] = new earth_station_item('Bangkok',13.75,100.58); ES_list[13] = new earth_station_item('Bangui',4.38,18.62); ES_list[14] = new earth_station_item('Beijing',39.92,116.42); ES_list[15] = new earth_station_item('Belgrade',44.82,20.47); ES_list[16] = new earth_station_item('Berlin',52.53,13.42); ES_list[17] = new earth_station_item('Bhopal',23.28,77.47); ES_list[18] = new earth_station_item('Blagoveshchensk',50.32,127.5); ES_list[19] = new earth_station_item('Cape Town',-33.92,18.45); ES_list[20] = new earth_station_item('Chelyabinsk',55.17,61.42); ES_list[21] = new earth_station_item('Chita',52.02,113.58); ES_list[22] = new earth_station_item('Colombo',6.92,79.87); ES_list[23] = new earth_station_item('Dakar',14.63,-17.45); ES_list[24] = new earth_station_item('Delhi',28.67,77.23); ES_list[25] = new earth_station_item('Dhakka',23.72,90.42); ES_list[26] = new earth_station_item('Douala',4.08,9.72); ES_list[27] = new earth_station_item('Dublin',53.35,-6.3); ES_list[28] = new earth_station_item('Gwadar',25.15,62.35); ES_list[29] = new earth_station_item('Havana',23.12,-82.42); ES_list[30] = new earth_station_item('Helsinki',60.13,20); ES_list[31] = new earth_station_item('Herat',34.35,62.17); ES_list[32] = new earth_station_item('Hong Kong',22.5,114.17); ES_list[33] = new earth_station_item('Hyderabad',17.37,78.43); ES_list[34] = new earth_station_item('Irkutsk',52.3,104.25); ES_list[35] = new earth_station_item('Islamabad',33.67,73.13); ES_list[36] = new earth_station_item('Istanbul',41.03,28.97); ES_list[37] = new earth_station_item('Jakarta',-6.13,106.75); ES_list[38] = new earth_station_item('Kabul',34.5,69.17); ES_list[39] = new earth_station_item('Karachi',24.83,67.03); ES_list[40] = new earth_station_item('Khabarovsk',48.53,135.13); ES_list[41] = new earth_station_item('Khartum',15.55,32.58); ES_list[42] = new earth_station_item('Kiev',50.47,30.48); ES_list[43] = new earth_station_item('Krasnoyarsk',56.08,92.77); ES_list[44] = new earth_station_item('Kuala Lumpur',3.13,101.7); ES_list[45] = new earth_station_item('Lisbon',38.73,-9.13); ES_list[46] = new earth_station_item('Luanda',-8.83,13.33); ES_list[47] = new earth_station_item('Madrid',40.42,-3.72); ES_list[48] = new earth_station_item('Manila',14.6,120.98); ES_list[49] = new earth_station_item('Miami',25.75,-80.17); ES_list[50] = new earth_station_item('Minsk',53.85,27.5); ES_list[51] = new earth_station_item('Monrovia',6.33,-10.77); ES_list[52] = new earth_station_item('Moscow',55.75,37.7); ES_list[53] = new earth_station_item('Murmansk',68.98,33.13); ES_list[54] = new earth_station_item('Nairobi',-1.28,36.83); ES_list[55] = new earth_station_item("N'Djamena",12.17,14.98); ES_list[56] = new earth_station_item('Norilsk',69.35,88.03); ES_list[57] = new earth_station_item('Nouakchott',18.15,-15.97); ES_list[58] = new earth_station_item('Novosibirsk',55.07,82.92); ES_list[59] = new earth_station_item('Omsk',55,73.37); ES_list[60] = new earth_station_item('Oslo',59.93,10.75); ES_list[61] = new earth_station_item('Paris',48.87,2.33); ES_list[62] = new earth_station_item('Perth',-31.97,115.82); ES_list[63] = new earth_station_item('Petr.-Kamchat.',53.05,158.72); ES_list[64] = new earth_station_item('Rabat',34.03,-6.85); ES_list[65] = new earth_station_item('Rome',41.54,12.27); ES_list[66] = new earth_station_item('Rostov-na-Donu',47.25,39.75); ES_list[67] = new earth_station_item('Ryiadh',24.65,46.73); ES_list[68] = new earth_station_item('Samara',53.17,50.25); ES_list[69] = new earth_station_item('St. Petersburg',59.92,30.42); ES_list[70] = new earth_station_item('Surgut',61.22,73.33); ES_list[71] = new earth_station_item('Syktyvkar',61.7,50.75); ES_list[72] = new earth_station_item('Taipei',25.08,121.53); ES_list[73] = new earth_station_item('Tehran',35.67,51.43); ES_list[74] = new earth_station_item('Tel Aviv',32.08,34.77); ES_list[75] = new earth_station_item('Thiruvananthapuram',8.68,76.95); ES_list[76] = new earth_station_item('Tripoly',32.97,13.2); ES_list[77] = new earth_station_item('Ufa',54.75,55.97); ES_list[78] = new earth_station_item('Ulan Baatar',47.9,106.87); ES_list[79] = new earth_station_item('Varanasi',25.33,83); ES_list[80] = new earth_station_item('Vladivostok',43.15,131.88); ES_list[81] = new earth_station_item('Vorkuta',67.45,64); ES_list[82] = new earth_station_item('Warsaw',52.25,21); ES_list[83] = new earth_station_item('Washington',38.92,-77); ES_list[84] = new earth_station_item('Yakutsk',62.17,129.33); ES_list[85] = new earth_station_item('Yu.-Sakhalinsk',46.97,142.75); ES_list[86] = new earth_station_item('Others',0,0); /* Satellite list */ SATELLITE_COUNT = 11; var satellite_list = new item_array(SATELLITE_COUNT); satellite_list[1] = new satellite_item('ABS-1',75); /* Display default values */ function Initialize () { //Update_Satellite(); Update_Station(); var current_date = new Date(); input_year.value = current_date.getUTCFullYear(); } /* Getting satellite parameters from selection */ function Update_Satellite() { input_sat_long.value = satellite_list[input_satellite.options[input_satellite.selectedIndex].value].longitude; } /* Getting ES parameters from selection */ function Update_Station() { input_es_lat.value = ES_list[input_earth_station.options[input_earth_station.selectedIndex].value].latitude; input_es_long.value = ES_list[input_earth_station.options[input_earth_station.selectedIndex].value].longitude; } /* Calculating outage times */ /* Global constants */ var ES_ALTITUDE = 0; var EARTH_FLATTENING = (1/298.26); var EARTH_RADIUS = 6378.245; var GEO_RADIUS = 35786 + EARTH_RADIUS; var MILLISECONDS_PER_DAY = 60 * 60 * 24 * 1000; var MILLISECONDS_PER_HOUR = 60 * 60 * 1000; var MILLISECONDS_PER_MINUTE = 60 * 1000; /* Global variables */ var G_es_lat; var G_es_long; var G_sat_long; var G_AZ; var G_EL; var G_base_date; var G_epoch; var G_outage_angle; var G_sun_sat_angle; var G_sun_dec; var G_sat_dec; var G_outage_found; var G_outage_count; var G_outage_start; var G_outage_end; /* Conversion functions */ function Rad( degrees ) { return ( degrees * ((Math.PI)/180)); } function Deg( radians ) { return ( radians / ((Math.PI)/180)); } /* Launches the calculation of the outages + print */ function Calculate_p() { // Strore the coordinates in the variables G_es_lat = input_es_lat.value; G_es_long = - input_es_long.value; G_sat_long = - 75; //G_sat_long = -input_sat_long.value; // Calculate elevation and azimuth of the satellite CalculateAZEL(); // determine the G_epoch, i.e. the day to start looking for outage CaclulateEpoch(); // Calculate the angle within which the outage occurs OutageAngle(); ShowHeader(); G_outage_found = false; G_outage_count = 0; while ((G_outage_count == 0 || G_outage_found == true)) { LookForOutage(); } ShowFooter(); window.print(); } /* Launches the calculation of the outages */ function Calculate() { // Strore the coordinates in the variables G_es_lat = input_es_lat.value; G_es_long = - input_es_long.value; G_sat_long = - 75; //G_sat_long = -input_sat_long.value; // Calculate elevation and azimuth of the satellite CalculateAZEL(); // determine the G_epoch, i.e. the day to start looking for outage CaclulateEpoch(); // Calculate the angle within which the outage occurs OutageAngle(); ShowHeader(); G_outage_found = false; G_outage_count = 0; while ((G_outage_count == 0 || G_outage_found == true)) { LookForOutage(); } ShowFooter(); } /* Calculates the azimuth and the elevation of the satellite Updates G_AZ, G_EL */ function CalculateAZEL() { R = EARTH_RADIUS/Math.sqrt(1-EARTH_FLATTENING*(2-EARTH_FLATTENING)*Math.pow((Math.sin(Rad(G_es_lat))),2)); Ra = (R+ES_ALTITUDE)*Math.cos(Rad(G_es_lat)); Rz = (R*Math.pow((1-EARTH_FLATTENING),2)+ES_ALTITUDE)*Math.sin(Rad(G_es_lat)); dRx = GEO_RADIUS*Math.cos(Rad(G_sat_long-G_es_long))-Ra; dRy = GEO_RADIUS*Math.sin(Rad(G_sat_long-G_es_long)); dRz = -Rz; dRnorth = -dRx*Math.sin(Rad(G_es_lat))+dRz*Math.cos(Rad(G_es_lat)); dRzenith = dRx*Math.cos(Rad(G_es_lat))+dRz*Math.sin(Rad(G_es_lat)); G_AZ = (720 - (Deg(Math.atan2(dRy,dRnorth))) )%360; G_AZ = Math.round(G_AZ*1000)/1000; G_EL = Deg(Math.atan(dRzenith/Math.sqrt(dRnorth*dRnorth+dRy*dRy))); G_EL = Math.round(G_EL*1000)/1000; } /* Caclulates the G_epoch, i.e. the day for which the coordinates of the objects are calculated Updates G_base_date, G_epoch */ function CaclulateEpoch() { //midnight 1.1.1904 G_base_date = new Date(); G_base_date.setUTCFullYear(1904); G_base_date.setUTCMonth(0); G_base_date.setUTCDate(1); G_base_date.setUTCHours(0); G_base_date.setUTCMinutes(0); G_base_date.setUTCSeconds(0); // Number of days from 1 Jan 1904 to 1 Jan [Year] G_epoch = (eval("input_year.value") - 1904) * 365.25; // Move the G_epoch to the vicinity of the respective equinox if (input_season[0].checked) // Vernal equinox G_epoch += 45; else // Autumnal equinox G_epoch += 229; // Drop the fractional part of the G_epoch G_epoch = Math.floor(G_epoch); } /* Calculates the angle within which the outage occurs Updates G_outage_angle */ function OutageAngle() { if (input_band[0].checked) // C-band G_outage_angle = 70 * 300000000/(3.95*1000000000)/input_diameter.value; else // Ku-band G_outage_angle = 70 * 300000000/(11.95*1000000000)/input_diameter.value; } /* Calculates the equatorial coordinates of the objects at the specified G_epoch Updates G_sun_dec, G_sat_dec, G_sun_sat_angle */ function UpdateCoordinates(local_epoch) { var h = (local_epoch + 1460.5)/36525; var earth_orbit_ecc = 0.01675104 - (0.0000418 * h); var mean_anomaly = 358.475874 + (35999.04975 * h); var sun_mean_longitude = 279.6964 + (36000.769 * h); var ecliptic_mean_obliquity = 23.4523 - (0.013 * h); m = (99.81347 + 0.9856462 * (local_epoch - 27759) + 360 * ((local_epoch - 27759) - Math.floor(local_epoch - 27759))) % 360; d_es_long = (m - G_es_long + 360) % 360; d_sat_long = (m - G_sat_long + 360) % 360; var cc = Deg((2 * earth_orbit_ecc * Math.sin(Rad(mean_anomaly)) + 1.25 * earth_orbit_ecc * earth_orbit_ecc * Math.sin(2* Rad(mean_anomaly)))); var sun_true_longitude = sun_mean_longitude + cc; var sun_apparent_right_ascension = Math.atan2((Math.cos(Rad(ecliptic_mean_obliquity)) * Math.sin(Rad(sun_true_longitude))), Math.cos(Rad(sun_true_longitude))); sun_apparent_right_ascension = (Deg(sun_apparent_right_ascension)+ 360) %360; dr = Deg(Math.atan(Math.tan(Rad(ecliptic_mean_obliquity)) * Math.sin(Rad(sun_apparent_right_ascension)))); G_sun_dec = Deg(Math.atan((Math.sin(Rad(dr)) * (149504200 * (1 - earth_orbit_ecc * Math.cos(Rad(mean_anomaly)) - earth_orbit_ecc * earth_orbit_ecc / 2 * (Math.cos(2 * Rad(mean_anomaly)) - 1))) - Math.sin(Rad(G_es_lat)) * EARTH_RADIUS) / Math.sqrt(Math.pow(Math.cos(Rad(sun_apparent_right_ascension)) * Math.cos(Rad(dr)) * (149504200 * (1 - earth_orbit_ecc * Math.cos(Rad(mean_anomaly)) - earth_orbit_ecc * earth_orbit_ecc / 2 * (Math.cos(2 * Rad(mean_anomaly)) - 1))) - Math.cos(Rad(d_es_long)) * Math.cos(Rad(G_es_lat)) * EARTH_RADIUS,2) + Math.pow(Math.sin(Rad(sun_apparent_right_ascension)) * Math.cos(Rad(dr)) * (149504200 * (1 - earth_orbit_ecc * Math.cos(Rad(mean_anomaly)) - earth_orbit_ecc * earth_orbit_ecc / 2 * (Math.cos(2 * Rad(mean_anomaly)) - 1))) - Math.sin(Rad(d_es_long)) * Math.cos(Rad(G_es_lat)) * EARTH_RADIUS,2)))); G_sat_dec = Deg(Math.atan((-Math.sin(Rad(G_es_lat)) * EARTH_RADIUS) / Math.sqrt(Math.pow(Math.cos(Rad(d_sat_long)) * GEO_RADIUS - Math.cos(Rad(d_es_long)) * Math.cos(Rad(G_es_lat)) * EARTH_RADIUS,2)+ Math.pow((Math.sin(Rad(d_sat_long)) * GEO_RADIUS) - (Math.sin(Rad(d_es_long)) * Math.cos(Rad(G_es_lat)) * EARTH_RADIUS),2)))); G_sun_sat_angle = Deg(Math.acos(Math.sin(Rad(G_sat_dec)) * Math.sin(Rad(G_sun_dec)) + Math.cos(Rad(G_sat_dec)) * Math.cos(Rad(G_sun_dec)) * Math.cos(Rad(((Deg(Math.atan2(((Math.sin(Rad(d_sat_long)) * GEO_RADIUS) - (Math.sin(Rad(d_es_long)) * Math.cos(Rad(G_es_lat)) * EARTH_RADIUS)),(Math.cos(Rad(d_sat_long)) * GEO_RADIUS - Math.cos(Rad(d_es_long)) * Math.cos(Rad(G_es_lat)) * EARTH_RADIUS))) + 360) % 360) - ((Deg(Math.atan2(Math.sin(Rad(sun_apparent_right_ascension)) * Math.cos(Rad(dr)) * (149504200 * (1 - earth_orbit_ecc * Math.cos(Rad(mean_anomaly)) - earth_orbit_ecc * earth_orbit_ecc / 2 * (Math.cos(2 * Rad(mean_anomaly)) - 1))) - Math.sin(Rad(d_es_long)) * Math.cos(Rad(G_es_lat)) * EARTH_RADIUS,(Math.cos(Rad(sun_apparent_right_ascension)) * Math.cos(Rad(dr)) * (149504200 * (1 - earth_orbit_ecc * Math.cos(Rad(mean_anomaly)) - earth_orbit_ecc * earth_orbit_ecc / 2 * (Math.cos(2 * Rad(mean_anomaly)) - 1))) - Math.cos(Rad(d_es_long)) * Math.cos(Rad(G_es_lat)) * EARTH_RADIUS))) + 360) % 360))))); } /* Look for the outage based on the current G_epoch Updates G_outage_count, G_epoch */ function LookForOutage() { CalculateOutageStart(); // find outage start time if (G_outage_found) { G_outage_count++; // indicate that an outage was found CalculateOutageEnd(); // find outage end time ShowResult(); // show the outage timing G_epoch = G_outage_end + 0.9; // move the G_epoch to the next day UpdateCoordinates(G_outage_start); // calculate the coordinates of the objects at the current G_epoch } } /* Look for the outage start within one day from the current epoch Updates G_outage_start, G_outage_found, G_Epoch */ function CalculateOutageStart() { G_outage_start = G_epoch; UpdateCoordinates (G_outage_start); // calculate the coordinates of the objects G_outage_found = false; /*search until the angle between the sun and the satellite is less than the outage angle. stop the search if we go beyond one day after the epoch*/ while (G_sun_sat_angle > G_outage_angle && (G_outage_start - G_epoch) < 1) { if(Math.abs(G_sat_dec - G_sun_dec) - G_outage_angle > 0.005) { G_outage_start += (Math.abs(G_sat_dec - G_sun_dec) - G_outage_angle + 0.005) /0.4; UpdateCoordinates(G_outage_start); // calculate the coordinates of the objects } G_outage_start = G_outage_start +0.0001; //+ 0.00005787; // move the outage start 1/2 of a second forward UpdateCoordinates(G_outage_start); // calculate the coordinates of the objects } if (G_sun_sat_angle < G_outage_angle) { G_outage_found = true; // the outage occurs } G_epoch = G_outage_start; //move the epoch forward } /* Find the time of the outage end Updates G_outage_end */ function CalculateOutageEnd() { G_outage_end = G_outage_start; // start the search from the outage start time UpdateCoordinates(G_outage_end); // calculate the coordinates of the objects // Carry on the search until the angle between the satellite and the sun // gets greater than the outage angle while (G_sun_sat_angle < G_outage_angle) { G_outage_end = G_outage_end + 0.00005787; // 0.00005787 = 1/2 of a second UpdateCoordinates(G_outage_end); // Calculate the coordinates of the objects } G_outage_end = G_outage_end - 0.00005787; // Move the time of the outage end 1/2 of a second backwards UpdateCoordinates(G_outage_end); } /* Displaying results */ function ShowHeader() { text_results.value = ""; text_results.value = text_results.value + "Sun transit outage forecast for" if (input_season[0].checked) text_results.value = text_results.value + " spring"; else text_results.value = text_results.value + " fall"; text_results.value = text_results.value + " " + input_year.value + "\r\n"; text_results.value = text_results.value + "\r\nABS-1 longitude: " if (75>0) text_results.value = text_results.value + 75 + "E"; else text_results.value = text_results.value + (-1* 75) + "W"; text_results.value = text_results.value + "\r\n\r\nES latitude: " if (input_es_lat.value>0) text_results.value = text_results.value + input_es_lat.value + "N"; else text_results.value = text_results.value + (-1* input_es_lat.value) + "S"; text_results.value = text_results.value + "\tES longitude: " if (input_es_long.value>0) text_results.value = text_results.value + input_es_long.value + "E"; else text_results.value = text_results.value + (-1* input_es_long.value) + "W"; text_results.value = text_results.value + "\r\n\r\nBand: " if (input_band[0].checked) text_results.value = text_results.value + "C "; else text_results.value = text_results.value + "Ku"; text_results.value = text_results.value + "\t\tES antenna diameter: " + input_diameter.value + " m" text_results.value = text_results.value + "\r\n\r\n" text_results.value = text_results.value + "Predicted date | Start | End | Duration |" + "\r\n"; text_results.value = text_results.value + "dd/mm/yyyy | GMT | GMT | |" + "\r\n"; text_results.value = text_results.value + " | hh:mm:ss | hh:mm:ss | mm:ss |\r\n"; text_results.value = text_results.value + "---------------|----------|----------|----------| " + "\r\n"; } function ShowResult() { outage_start_date = new Date(); //outage_start_date.setTime(G_base_date.getTime() + (G_outage_start * MILLISECONDS_PER_DAY)); outage_start_date.setTime(Date.UTC(G_base_date.getUTCFullYear(), G_base_date.getUTCMonth(), G_base_date.getUTCDate(), G_base_date.getUTCHours(), G_base_date.getUTCMinutes(), G_base_date.getUTCSeconds()) + (G_outage_start * MILLISECONDS_PER_DAY)); outage_start_date.setTime(outage_start_date.getTime() + outage_start_date.getTimezoneOffset()*60000) outage_end_date = new Date(); //outage_end_date.setTime( G_base_date.getTime() + (G_outage_end * MILLISECONDS_PER_DAY)); outage_end_date.setTime(Date.UTC(G_base_date.getUTCFullYear(), G_base_date.getUTCMonth(), G_base_date.getUTCDate(), G_base_date.getUTCHours(), G_base_date.getUTCMinutes(), G_base_date.getUTCSeconds()) + (G_outage_end * MILLISECONDS_PER_DAY)); outage_end_date.setTime(outage_end_date.getTime() +outage_end_date.getTimezoneOffset()*60000) var t_date = FormatDate(outage_start_date); var begin_time = FormatTime(outage_start_date); var end_time = FormatTime(outage_end_date); var duration = FormatDuration(outage_start_date, outage_end_date); text_results.value = text_results.value + t_date + " | " + begin_time + " | " + end_time + " | " + duration + " | " + "\r\n"; } function ShowFooter() { text_results.value = text_results.value + "\r\n\r\n\"Asia Broadcast Satellite\"" //text_results.value = text_results.value + "\r\n\r\n IOSC \"INTERSPUTNIK\" www.intersputnik.com" } function FormatDate(raw_date) { // + convert to strings var month = "" + (raw_date.getMonth() + 1); var day = "" + raw_date.getDate(); // apply two-digit format month = (month.length == 1) ? "0" + month + "/" : month + "/"; day = (day.length == 1) ? "0" + day + "/" : day + "/"; year = raw_date.getYear(); return day + month + year; } function FormatTime(raw_time) { // + convert to srings var hours = "" + raw_time.getHours(); var minutes = "" + raw_time.getMinutes(); var seconds = "" + raw_time.getSeconds(); // apply two digit format hours = (hours.length == 1) ? "0" + hours + ":" : hours + ":"; minutes = (minutes.length == 1) ? "0" + minutes + ":" : minutes + ":"; seconds = (seconds.length == 1) ? "0" + seconds : seconds; return hours + minutes + seconds; } function FormatDuration(start_time, end_time) { var start_minutes = start_time.getMinutes(); var start_seconds = start_time.getSeconds(); var end_minutes = end_time.getMinutes(); var end_seconds = end_time.getSeconds(); var minute_correction = 0; var duration_seconds = end_seconds - start_seconds; if (duration_seconds < 0) { duration_seconds += 60; minute_correction = 1; } var duration_minutes = end_minutes - start_minutes - minute_correction; if (duration_minutes < 0) duration_minutes += 60; // convert to strings duration_minutes += ""; duration_seconds += ""; // apply two-digit format duration_minutes = (duration_minutes.length == 1) ? "0" + duration_minutes + ":" : duration_minutes + ":"; duration_seconds = (duration_seconds.length == 1) ? "0" + duration_seconds : duration_seconds; return duration_minutes + duration_seconds; } function printpr() { var OLECMDID = 7; /* OLECMDID values: * 6 - print * 7 - print preview * 1 - open window * 4 - Save As */ var PROMPT = 1; // 2 DONTPROMPTUSER var WebBrowser = ''; document.body.insertAdjacentHTML('beforeEnd', WebBrowser); WebBrowser1.ExecWB(OLECMDID, PROMPT); WebBrowser1.outerHTML = ""; }