cbmcalculator = {}; cbmcalculator.cbmUnit = 1; cbmcalculator.cbmcalculator_token = ''; cbmcalculator.apikey = 'put your api key here'; cbmcalculator.calculateCBM = function () { var xhr = new XMLHttpRequest(); try { xhr.open('POST', 'https://www.cbmcalculator.com/api/CBMCalculator.svc/calculate', true); xhr.onload = function () { if (xhr.readyState == 4 && xhr.status == 200) { var retValue = JSON.parse(xhr.responseText); if (retValue.status == 'success') { cbmcalculator_token = retValue.token; if (retValue.cftotal == 0) { cbmcalculator.ge("txtfeetvolume").value = ''; } else { cbmcalculator.ge("txtfeetvolume").value = retValue.cftotal; } if (retValue.cmtotal == 0) { cbmcalculator.ge("txtmetervolume").value = ''; } else { cbmcalculator.ge("txtmetervolume").value = retValue.cmtotal; } if (retValue.kgweightvolume == 0) { cbmcalculator.ge("txtkgweight").value = ''; } else { cbmcalculator.ge("txtkgweight").value = retValue.kgweight; } if (retValue.kgweightvolume == 0) { cbmcalculator.ge("txtkgvolweight").value = ''; } else { cbmcalculator.ge("txtkgvolweight").value = retValue.kgweightvolume; } if (retValue.kgweightvolumeair == 0) { cbmcalculator.ge("txtkgvolweightair").value = ''; } else { cbmcalculator.ge("txtkgvolweightair").value = retValue.kgweightvolumeair; } if (retValue.lbweight == 0) { cbmcalculator.ge("txtlbweight").value = ''; } else { cbmcalculator.ge("txtlbweight").value = retValue.lbweight; } if (retValue.lbweightvolume == 0) { cbmcalculator.ge("txtlbvolweight").value = ''; } else { cbmcalculator.ge("txtlbvolweight").value = retValue.lbweightvolume; } if (retValue.lbweightvolumeair == 0) { cbmcalculator.ge("txtlbvolweightair").value = ''; } else { cbmcalculator.ge("txtlbvolweightair").value = retValue.lbweightvolumeair; } if (retValue.con20 <= 0) { cbmcalculator.ge("txt20").value='' ; } else { cbmcalculator.ge("txt20").value=retValue.con20; } if (retValue.con40<= 0) { cbmcalculator.ge("txt40").value='' ; } else { cbmcalculator.ge("txt40").value=retValue.con40; } if (retValue.con40hc<= 0) { cbmcalculator.ge("txt40hc").value='' ; } else { cbmcalculator.ge("txt40hc").value=retValue.con40hc; } } else { write_output('calculate function failed with message : ' + retValue.description); } } else { //clear write_output('Unable to prform calculation contact cbmcalculator.com'); } } xhr.onerror=function () { write_output('Unable to prform calculation contact cbmcalculator.com'); } //read values for passing to function var locallength=(cbmcalculator.ge("txtl").value) ? parseFloat(cbmcalculator.ge("txtl").value) : 0; var localwidth=(cbmcalculator.ge("txtw").value) ? parseFloat(cbmcalculator.ge("txtw").value) : 0; var localheight=(cbmcalculator.ge("txth").value) ? parseFloat(cbmcalculator.ge("txth").value) : 0; var localqty=(cbmcalculator.ge("txtcartonqty").value) ? parseFloat(cbmcalculator.ge("txtcartonqty").value) : 1; var localweight=(cbmcalculator.ge("txtcartongw").value) ? parseFloat(cbmcalculator.ge("txtcartongw").value) : 0; var duom=cbmcalculator.ge('duom').value; var wuom=cbmcalculator.ge('wuom').value; if (locallength !=0 && localwidth !=0 && localheight !=0) { var data=new Object(); //data.passInfo=new Object(); data.length=locallength; data.width=localwidth; data.height=localheight; data.quantity=localqty; data.weight=localweight; data.uom=duom; data.wuom=wuom; data.apikey=cbmcalculator.apikey; data.token=cbmcalculator.cbmcalculator_token; xhr.setRequestHeader('Content-Type', 'application/json;charset=utf-8'); xhr.send(JSON.stringify(data)); } } catch (e) { //clear } }; cbmcalculator.ge=function (c) { return document.getElementById(c) } function write_output(passMsg) { cbmcalculator.ge('erroutput') ? cbmcalculator.ge('erroutput').innerHTML=passMsg : console.log(passMsg); }