var op_text = "";
function add_output(text)
{
op_text = op_text + text;
}
function is_num_digit(ch)
{
return ( (ch == '0') || (ch == '1') || (ch == '2') || (ch == '3') ||
(ch == '4') || (ch == '5') || (ch == '6') || (ch == '7') ||
(ch == '8') || (ch == '9') );
}
function is_alphabetic_char(ch)
{
return ( (ch >= 'A') && (ch <= 'Z') );
}
function decode_token(token)
{
// Check if token is "calm wind"
if( (token == "00000KT") || (token == "00000MPS") || (token == "00000KMH") )
{
add_output("地面风： 静风
");
return;
}
// Check if token is Wind indication
var reWindKT = /^(\d{3}|VRB)(\d{2,3})(G\d{2,3})?(KT|MPS|KMH)$/;
if(reWindKT.test(token))
{
// Wind token: dddss(s){Gss(s)}KT -- ddd is true direction, ss(s) speed in knots
var myArray = reWindKT.exec(token);
var units = myArray[4];
add_output("地面风： ");
if(myArray[1]=="VRB")
add_output(" 风向不定 ");
else
add_output(" 风向 " + myArray[1] + " 度");
add_output(" 风速 " + parseInt(myArray[2],10));
var wspd = (1852/3600*parseInt(myArray[2],10)).toFixed(1);
if(units=="KT") add_output(" 节 (约 "+wspd+" 米每秒)");
else if(units=="KMH") add_output(" 公里每小时");
else if(units=="MPS") add_output(" 米每秒");
if(myArray[3] != null)
{
if (myArray[3]!="")
{
add_output(" 阵风 " + parseInt(myArray[3].substr(1,myArray[3].length),10));
wspd=(1852/3600*parseInt(myArray[3].substr(1,myArray[3].length),10)).toFixed(1);
if(units=="KT") add_output(" 节 (约 "+wspd+" m/s)");
else if(units=="KMH") add_output(" 公里每小时");
else if(units=="MPS") add_output(" 米每秒");
}
}
add_output("
"); return;
}
// Check if token is "variable wind direction"
var reVariableWind = /^(\d{3})V(\d{3})$/;
if(reVariableWind.test(token))
{
// Variable wind direction: aaaVbbb, aaa and bbb are directions in clockwise order
add_output("风向变化范围： 从 "+token.substr(0,3)+" 度 到 "+token.substr(4,3)+" 度
");
return;
}
// Check if token is visibility
var reVis = /^(\d{4})(N|S)?(E|W)?$/;
if(reVis.test(token))
{
var myArray = reVis.exec(token);
add_output("能见度： ");
if(myArray[1]=="9999")
add_output(" 大于10公里 ");
else if (myArray[1]=="0000")
add_output(" 小于50米 ");
else
add_output(parseInt(myArray[1],10) + " 米");
var dir = "";
if(typeof(myArray[2]) != "undefined")
{
dir=dir + myArray[2];
}
if(typeof(myArray[3]) != "undefined")
{
dir=dir + myArray[3];
}
if(dir != "")
{
add_output(" 方向 ");
if(dir=="N") add_output("北");
else if(dir=="NE") add_output("东北");
else if(dir=="E") add_output("东");
else if(dir=="SE") add_output("东南");
else if(dir=="S") add_output("南");
else if(dir=="SW") add_output("西南");
else if(dir=="W") add_output("西");
else if(dir=="NW") add_output("西北");
}
add_output("
"); return;
}
// Check if token is Statute-Miles visibility
var reVisUS = /^(P)?(\d?(?:\/)?\d?)(SM)$/;
if(reVisUS.test(token))
{
add_output("能见度： ");
var myArray = reVisUS.exec(token);
if(myArray[1]=="P") add_output("大于 ");
//var myVisArray = token.split("S");
add_output(myArray[2]);
add_output(" 英里 ");
add_output("(约 "+(0.3048*5.28*eval(myArray[2])).toFixed(2)+" 公里)
");
}
// Check if token is QNH indication in mmHg or hPa
var reQNHhPa = /Q\d{3,4}/;
if(reQNHhPa.test(token))
{
// QNH token: Qpppp -- pppp is pressure hPa
add_output("修正海压： ");
add_output(parseInt(token.substr(1,4),10) + " 毫巴 (约 ");
add_output((76000/(101325*25.4)*parseInt(token.substr(1,4),10)).toFixed(2));
add_output(" 英寸汞柱)
"); return;
}
var reQNHhPa = /QNH\d{3,4}INS?$/;
if(reQNHhPa.test(token))
{
// QNH token: Qpppp -- pppp is pressure hPa
add_output("修正海压： ");
add_output(parseInt(token.substr(3,4),10) + " 英寸汞柱 (约 ");
add_output(Math.round((25.4*101325)/7600000*parseInt(token.substr(3,4),10)));
add_output(" 毫巴)
"); return;
}
// Check if token is QNH indication in mmHg: Annnn
var reINHg = /A\d{4}/;
if(reINHg.test(token))
{
add_output("修正海压： ");
add_output(token.substr(1,2) + "." + token.substr(3,4) + " 英寸汞柱 (约 ");
add_output(Math.round((25.4*101325)/7600000*parseInt(token.substr(1,4),10)));
add_output(" 毫巴)
"); return;
}
// Check if token is runway visual range (RVR) indication
var reRVR = /^R(\d{2})(R|C|L)?\/(M|P)?(\d{4})(V\d{4})?(U|D|N)?$/;
if(reRVR.test(token))
{
var myArray = reRVR.exec(token);
add_output("跑道： ");
add_output(myArray[1]);
if(typeof(myArray[2]) != "undefined")
{
if(myArray[2]=="L") add_output(" 左");
else if(myArray[2]=="R") add_output(" 右");
else if(myArray[2]=="C") add_output(" 中");
}
add_output(" 接地区视程 ");
if(myArray[5])
{
// Variable range
add_output(" 从 ");
if(myArray[3]=="P") add_output("大于 ");
else if(myArray[3]=="M") add_output("小于 ");
add_output(myArray[4]);
add_output(" 米");
add_output(" 到 "+myArray[5].substr(1,myArray[5].length)+" 米");
}
else
{
// Single value
if( (typeof(myArray[3]) != "undefined") &&
(typeof(myArray[4]) != "undefined") )
{
if(myArray[3]=="P") add_output("大于 ");
else if(myArray[3]=="M") add_output("小于 ");
add_output(myArray[4]);
add_output(" 米");
}
}
if( (myArray.length > 5) && (typeof(myArray[6]) != "undefined") )
{
if(myArray[6]=="U") add_output(" 逐渐增加");
else if(myArray[6]=="D") add_output(" 逐渐减少");
}
add_output("
");
return;
}
// Check if token is CAVOK
if(token == "CAVOK")
{
add_output("【天空状况良好】
");
return;
}
// Check if token is NOSIG
if(token == "NOSIG")
{
add_output("【无显著变化】
");
return;
}
// Check if token is a present weather code - The regular expression is a bit
// long, because several precipitation types can be joined in a token, and I
// don't see a better way to get all the codes.
var reWX = /^(\-|\+)?(VC)?(MI|BC|DR|BL|SH|TS|FZ|PR)?(DZ|RA|SN|SG|IC|PL|GR|GS)?(DZ|RA|SN|SG|IC|PL|GR|GS)?(DZ|RA|SN|SG|IC|PL|GR|GS)?(DZ|RA|SN|SG|IC|PL|GR|GS)?(SH|TS|DZ|RA|SN|SG|IC|PL|GR|GS|BR|FG|FU|VA|DU|SA|HZ|PO|SQ|FC|SS|DS)$/;
if(reWX.test(token))
{
add_output("天气： ");
var myArray = reWX.exec(token);
for(var i=1;i"); return;
}
// Check if token is recent weather observation
var reREWX = /^RE(\-|\+)?(VC)?(MI|BC|BL|DR|SH|TS|FZ|PR)?(DZ|RA|SN|SG|IC|PL|GR|GS)?(DZ|RA|SN|SG|IC|PL|GR|GS)?(DZ|RA|SN|SG|IC|PL|GR|GS)?(DZ|RA|SN|SG|IC|PL|GR|GS)?(SH|TS|DZ|RA|SN|SG|IC|PL|GR|GS|BR|FG|FU|VA|DU|SA|HZ|PO|SQ|FC|SS|DS)?$/;
if(reREWX.test(token))
{
add_output("天气： (从上一份报告到此报告之前 曾经出现) ");
var myArray = reREWX.exec(token);
for(var i=1;i"); return;
}
// Check if token is temperature / dewpoint pair
var reTempDew = /^(M?\d\d|\/\/)\/(M?\d\d)?$/;
if(reTempDew.test(token))
{
var myArray = reTempDew.exec(token);
var air_temp = null ;
var dew_point = null ;
if(myArray[1].charAt(0)=='M')
{
add_output("温度： 零下 " + myArray[1].substr(1,2) + " 摄氏度
");
air_temp = (0-parseInt(myArray[1].substr(1,2),10));}
else {
add_output("温度： " + myArray[1].substr(0,2) + " 摄氏度
");
air_temp = parseInt(myArray[1].substr(0,2),10);}
if(myArray[2]!="")
{
if(myArray[2].charAt(0)=='M') {
add_output("露点： 零下 " + myArray[2].substr(1,2) + " 摄氏度
");
dew_point = (0-parseInt(myArray[2].substr(1,2),10));}
else {
add_output("露点： " + myArray[2].substr(0,2) + " 摄氏度
");
dew_point = parseInt(myArray[2].substr(0,2),10);}
}
add_output("相对湿度： " + calcRH(air_temp,dew_point) + "%
");
return;
}
// Check if token is "sky clear" indication
if(token=="SKC")
{
add_output("【晴空】
");
return;
}
// Check if token is "vertical visibility" indication
var reVV = /^VV(\d{3}|\/{3})$/;
if(reVV.test(token))
{
// VVddd -- ddd is vertical distance, or /// if unspecified
var myArray = reVV.exec(token);
add_output("垂直能见度： ");
if(myArray[1] == "///") {
add_output(" 天空被遮蔽
");
}
else {
add_output((100*parseInt(myArray[1],10)) + " 英尺");
add_output(" (约 "+Math.round(30.48*parseInt(myArray[1],10))+" 米)
");
}
return;
}
// Check if token is cloud indication
var reCloud = /^(FEW|SCT|BKN|OVC)(\d{3})(CB|TCU)?$/;
if(reCloud.test(token))
{
// Clouds: aaadddkk -- aaa indicates amount of sky covered, ddd distance over
// aerodrome level, and kk the type of cloud.
var myArray = reCloud.exec(token);
add_output("云层： ");
if(myArray[1] == "FEW") add_output("少云 (1 到 2 分云)");
else if(myArray[1] == "SCT") add_output("疏云 (3 到 4 分云)");
else if(myArray[1] == "BKN") add_output("多云 (5 到 7 分云)");
else if(myArray[1] == "OVC") add_output("满天云 (8 分云)");
add_output(" 云底高 " + (100*parseInt(myArray[2],10)) + " 英尺");
add_output(" (约 "+Math.round(30.48*parseInt(myArray[2],10))+" 米)");
if(myArray[3] == "CB") add_output(" 积雨云");
else if(myArray[3] == "TCU") add_output(" 塔状积云");
add_output("
"); return;
}
// Check if token is part of a wind-shear indication
var reRWY = /^RWY(\d{2})(L|C|R)?$/;
if(token=="WS") { add_output("风切变： "); return; }
else if(token=="ALL") { add_output("所有 "); return; }
else if(token=="RWY") { add_output("跑道
"); return; }
else if (reRWY.test(token))
{
var myArray = reRWY.exec(token);
add_output("跑道 "+myArray[1]);
if(myArray[2]=="L") add_output(" 左");
else if(myArray[2]=="C") add_output(" 中");
else if(myArray[2]=="R") add_output(" 右");
add_output("
");
return;
}
// Check if token is no-significant-weather indication
if(token=="NSW")
{
add_output("【无特别天气】
");
return;
}
// Check if token is no-significant-clouds indication
if(token=="NSC")
{
add_output("【无特别云层】
");
return;
}
// Check if token is part of trend indication
var reBECMG = /^BECMG(\d{2})(\d{2})/;
if(reBECMG.test(token))
{
var myArray = reBECMG.exec(token);
add_output("【天气逐渐转变】
");
add_output("时间："+myArray[1]+":00 UTC "+reLocaleTime(myArray[1],"00")+" 至 ");
add_output(myArray[2]+":00 UTC "+reLocaleTime(myArray[2],"00")+"
");
return;
}
var reTEMPO = /^TEMPO(\d{2})(\d{2})/;
if(reTEMPO.test(token))
{
var myArray = reTEMPO.exec(token);
add_output("【天气短时转变】
");
add_output("时间："+myArray[1]+":00 UTC "+reLocaleTime(myArray[1],"00")+" 至 ");
add_output(myArray[2]+":00 UTC "+reLocaleTime(myArray[2],"00")+"
");
return;
}
var reFM = /^FM(\d{2})(\d{2})Z?$/;
if(reFM.test(token))
{
var myArray = reFM.exec(token);
add_output("▲从 "+myArray[1]+":"+myArray[2]+" UTC ");
add_output(reLocaleTime(myArray[1],myArray[2])+" 转变为：
");
return;
}
var reTL = /^TL(\d{2})(\d{2})Z?$/;
if(reTL.test(token))
{
var myArray = reTL.exec(token);
add_output("▲到 "+myArray[1]+":"+myArray[2]+" UTC ");
add_output(reLocaleTime(myArray[1],myArray[2])+" 转变为：
");
return;
}
var reAT = /^AT(\d{2})(\d{2})Z?$/;
if(reAT.test(token))
{
var myArray = reAT.exec(token);
add_output("▲在 "+myArray[1]+":"+myArray[2]+" UTC ");
add_output(reLocaleTime(myArray[1],myArray[2])+" 转变为：
");
return;
}
// Check if item is runway state group
var reRSG = /^(\d\d)(\d|C|\/)(\d|L|\/)(\d\d|RD|\/)(\d\d)$/;
if(reRSG.test(token))
{
var myArray = reRSG.exec(token);
add_output("跑道状态： ");
// Runway designator (first 2 digits)
var r = parseInt(myArray[1],10);
if(r < 50) add_output(" 跑道 " + myArray[1] + " (或 "+myArray[1]+" 左) ");
else if(r < 88) add_output(" 跑道 " + (r-50) + " 右 ");
else if(r == 88) add_output(" 所有跑道 ");
// Check if "CLRD" occurs in digits 3-6
if(token.substr(2,4)=="CLRD") add_output(" 恢复使用 ");
else
{
// Runway deposits (third digit)
if(myArray[2]=="0") add_output("干 ");
else if(myArray[2]=="1") add_output("潮湿 ");
else if(myArray[2]=="2") add_output("积水 ");
else if(myArray[2]=="3") add_output("结霜 ");
else if(myArray[2]=="4") add_output("干雪 ");
else if(myArray[2]=="5") add_output("湿雪 ");
else if(myArray[2]=="6") add_output("融雪 ");
else if(myArray[2]=="7") add_output("结冰 ");
else if(myArray[2]=="8") add_output("结实的雪 ");
else if(myArray[2]=="9") add_output("雪槽 ");
else if(myArray[2]=="/") add_output("障碍物 未知 ");
// Extent of runway contamination (fourth digit)
if(myArray[3]=="1") add_output("覆盖范围 小于10% ");
else if(myArray[3]=="2") add_output("覆盖范围 11% 到 25% ");
else if(myArray[3]=="5") add_output("覆盖范围 26% 到 50% ");
else if(myArray[3]=="9") add_output("覆盖范围 51% 到 100% ");
else if(myArray[3]=="/") add_output("覆盖范围 未知/清除中 ");
// Depth of deposit (fifth and sixth digits)
if(myArray[4]=="//") add_output("障碍深度 未知 ");
else
{
var d = parseInt(myArray[4],10);
if(d == 0) add_output("障碍深度 小于 1 mm ");
else if ((d > 0) && (d < 91)) add_output("障碍深度 "+d+" mm ");
else if (d == 92) add_output("障碍深度 10 cm ");
else if (d == 93) add_output("障碍深度 15 cm ");
else if (d == 94) add_output("障碍深度 20 cm ");
else if (d == 95) add_output("障碍深度 25 cm ");
else if (d == 96) add_output("障碍深度 30 cm ");
else if (d == 97) add_output("障碍深度 35 cm ");
else if (d == 98) add_output("障碍深度 40 cm 或更深 ");
else if (d == 99) add_output("积雪清除中 ");
}
}
// Friction coefficient or braking action (seventh and eighth digit)
if(myArray[5]=="//") add_output("摩擦系数 未知 ");
else
{
var b = parseInt(myArray[5],10);
if(b<91) add_output("摩擦系数 0."+myArray[5]);
else
{
if(b == 91) add_output("制动效果 弱");
else if(b == 92) add_output("制动效果 中/弱");
else if(b == 93) add_output("制动效果 中");
else if(b == 94) add_output("制动效果 中/强");
else if(b == 95) add_output("制动效果 强");
else if(b == 99) add_output("制动效果 无法确定");
}
}
add_output("
"); return;
}
if(token=="SNOCLO")
{
add_output("【跑道积雪，机场关闭】
");
return;
}
// Check if item is sea status indication
reSea = /^W(M)?(\d\d)\/S(\d)/;
if(reSea.test(token))
{
var myArray = reSea.exec(token);
add_output("海面温度： ");
if(myArray[1]=="M")
add_output(" 零下 ");
add_output(parseInt(myArray[2],10) + " 摄氏度
");
add_output("浪高： ");
if(myArray[3]=="0") add_output("0 m
");
else if(myArray[3]=="1") add_output("0-0.1 米
");
else if(myArray[3]=="2") add_output("0.1-0.5 米
");
else if(myArray[3]=="3") add_output("0.5-1.25 米
");
else if(myArray[3]=="4") add_output("1.25-2.5 米
");
else if(myArray[3]=="5") add_output("2.5-4 米
");
else if(myArray[3]=="6") add_output("4-6 米
");
else if(myArray[3]=="7") add_output("6-9 米
");
else if(myArray[3]=="8") add_output("9-14 米
");
else if(myArray[3]=="9") add_output("大于 14 米
");
return;
}
// Check if item is Valid period indication
var reValidPeriod = /^(\d{2})(\d{2})(\d{2})$/;
if(reValidPeriod.test(token))
{
var myArray = reValidPeriod.exec(token);
add_output("有效期： 从 "+myArray[1]+" 号 ");
add_output(myArray[2]+":00 UTC "+reLocaleTime(myArray[2],"00")+" 到 ");
if (parseInt(myArray[2],10)-parseInt(myArray[3],10)>=0) add_output(" 次日 ");
add_output(myArray[3]+":00 UTC "+reLocaleTime(myArray[3],"00")+"
");
return;
}
// Check if item is probability indication
var reProb = /^PROB(\d{2})$/;
if(reProb.test(token))
{
var myArray = reProb.exec(token);
add_output("☆以下天气预计有 "+myArray[1]+"% 的可能性会出现：
");
return;
}
// Check if item is temperature indication
var reTempMM = /^T(N|X)(\d{2})\/(\d{2})Z$/;
if(reTempMM.test(token))
{
var myArray = reTempMM.exec(token);
add_output("气温： ");
if(myArray[1]=="X") {
add_output("最高 "+myArray[2]+" 摄氏度 大约出现在 ");
add_output(myArray[3]+":00 UTC "+reLocaleTime(myArray[3],"00")+"
");}
else if(myArray[1]=="N") {
add_output("最低 "+myArray[2]+" 摄氏度 大约出现在 ");
add_output(myArray[3]+":00 UTC "+reLocaleTime(myArray[3],"00")+"
");}
return;
}
}
function metar_decode(text)
{
op_text = "";
//alert(text);
// Join newline-separated pieces...
// var newlineJoined = text.replace(/\n/, " ");
var newlineJoined = text.replace(/(\x0d\x0a)|\x0D|\x0A/, " ");
newlineJoined = newlineJoined.replace(/(\x20)+/," ");
//newlineJoined = newlineJoined.replace(/BECMG /g,"BECMG");
//newlineJoined = newlineJoined.replace(/TEMPO /g,"TEMPO");
newlineJoined = newlineJoined.replace(/BECMG /g,"BECMG");
newlineJoined = newlineJoined.replace(/TEMPO /g,"TEMPO");
//alert(newlineJoined);
// An '=' finishes the report
var equalPosition = newlineJoined.indexOf("=");
if (equalPosition > -1)
{
//alert("解码在\"=\"号之前结束");
newlineJoined = newlineJoined.substr(0,equalPosition);
}
var arrayOfTokens;
arrayOfTokens = newlineJoined.split(" ");
var numToken = 0;
// Check if initial token is non-METAR date
var reDate = /^\d\d\d\d\/\d\d\/\d\d/;
if (reDate.test(arrayOfTokens[numToken]))
numToken++;
// Check if initial token is non-METAR time
var reTime = /^\d\d:\d\d/;
if (reTime.test(arrayOfTokens[numToken]))
numToken++;
// Check if initial token indicates type of report
if(arrayOfTokens[numToken] == "METAR")
{
add_output("【例行天气报告】
");
numToken++;
}
else if(arrayOfTokens[numToken] == "SPECI")
{
add_output("【特选天气报告】
");
numToken++;
}
else if(arrayOfTokens[numToken] == "TAF")
{
add_output("【机场天气预报】
");
numToken++;
if(arrayOfTokens[numToken] == "AMD")
{
add_output("【修正报告】
");
numToken++;
}
}
// Parse location token
if (arrayOfTokens[numToken].length == 4)
{
add_output("机场： " + arrayOfTokens[numToken] + "
");
numToken++;
}
else
{
//add_output("格式错误： '" + arrayOfTokens[numToken] + "' 机场代码应为4个字母");
add_output("当前联飞系统无该机场的气象报文");
return op_text;
}
// Parse date-time token -- we allow time specifications without final 'Z'
if ( (
( (arrayOfTokens[numToken].length == 7) &&
(arrayOfTokens[numToken].charAt(6) == 'Z') ) ||
( arrayOfTokens[numToken].length == 6 )
) &&
is_num_digit(arrayOfTokens[numToken].charAt(0)) &&
is_num_digit(arrayOfTokens[numToken].charAt(1)) &&
is_num_digit(arrayOfTokens[numToken].charAt(2)) &&
is_num_digit(arrayOfTokens[numToken].charAt(3)) &&
is_num_digit(arrayOfTokens[numToken].charAt(4)) &&
is_num_digit(arrayOfTokens[numToken].charAt(5)) )
{
add_output("日期： " + arrayOfTokens[numToken].substr(0,2) + " 号
");
add_output("时间： " + arrayOfTokens[numToken].substr(2,2) +":" +
arrayOfTokens[numToken].substr(4,2) + " UTC ");
add_output(reLocaleTime(arrayOfTokens[numToken].substr(2,2),arrayOfTokens[numToken].substr(4,2)));
if(arrayOfTokens[numToken].length == 6)
add_output(" (时间格式未知)");
add_output("
");
numToken++;
}
else
{
add_output("时间格式不正确");
return op_text;
}
// Check if "AUTO" or "COR" token comes next.
if (arrayOfTokens[numToken] == "AUTO")
{
add_output("【报告由系统自动生成】
");
numToken++;
}
else if (arrayOfTokens[numToken] == "COR")
{
add_output("【更正前一份报告】
");
numToken++;
}
// Parse remaining tokens
for (var i=numToken; i 0)
{
decode_token(arrayOfTokens[i].toUpperCase());
}
else
{
add_output("");
}
}
return op_text
}
function ejem(text)
{
alert(text);
}
//return the local time format
function reLocaleTime(hours,minutes)
{
var ntime = new Date();
ntime.setUTCHours(hours);
ntime.setUTCMinutes(minutes);
var nStr = ntime.toTimeString().split(/:/);
var reStr = "(本地时间: "+nStr[0]+":"+nStr[1]+")";
return reStr;
}
//calculate the Relative Humidity from Temperature and Dew Point
function calcRH(airtemp,dewpoint){
var a_c=parseFloat(airtemp);//Air Temperature
var b_c=parseFloat(dewpoint);//Dew Point
var c=6.11*Math.pow(10,((7.5*a_c/(237.7+a_c))));//saturation vapor pressure
var d=6.11*Math.pow(10,((7.5*b_c/(237.7+b_c))));//actual vapor pressure
var e=(d/c)*100;//relative humidity
e = ((Math.round(e*100))/100);//calc percentage
return e;
}
function metar_proc(metar){
var arr;
//alert(metar);
arr = metar.split(" ");
var ap;
//var tp;
var obj1,obj2;
txt = metar_decode(metar);
//return txt;
if (arr[0] == "TAF") {
ap = arr[1];
//alert(ap+"taf1");
obj1 = document.getElementById(ap+"taf1");
obj1.innerHTML = "TAF: "+metar;
obj2 = document.getElementById(ap+"taf2");
obj2.innerHTML = txt;
} else {
ap = arr[0];
obj1 = document.getElementById(ap+"metar1");
obj1.innerHTML = "METAR: "+metar;
obj2 = document.getElementById(ap+"metar2");
obj2.innerHTML = txt;
}
}