// jQuery( document ).ready(function() {
                                var focusflag = false;
                                var Factor = new Array(47);
                                Factor[0] = .3462;
                                Factor[1] = .3604;
                                Factor[2] = .3568;
                                Factor[3] = .3568;
                                Factor[4] = .3533;
                                Factor[5] = .3498;
                                Factor[6] = .3462;
                                Factor[7] = .3427;
                                Factor[8] = .3356;
                                Factor[9] = .3392;
                                Factor[10] = .3392;
                                Factor[11] = .3462;
                                Factor[12] = .3462;
                                Factor[13] = .3568;
                                Factor[14] = .3568;
                                Factor[15] = .3604;
                                Factor[16] = 1.030;
                                Factor[17] = 1.010;
                                Factor[18] = 1.132;
                                Factor[19] = 1.125;
                                Factor[20] = 1.121;
                                Factor[21] = 1.075;
                                Factor[22] = 1.072;
                                Factor[23] = 1.075;
                                Factor[24] = 1.012;
                                Factor[25] = 1.012;
                                Factor[26] = 1.037;
                                Factor[27] = 1.012;
                                Factor[28] = 1.030;
                                Factor[29] = 1.132;
                                Factor[30] = 1.012;
                                Factor[31] = .229;
                                Factor[32] = .236;
                                Factor[33] = .575;
                                Factor[34] = .812;
                                Factor[35] = .911;
                                Factor[36] = .911;
                                Factor[37] = 1.084;
                                Factor[38] = 1.095;
                                Factor[39] = 1.144;
                                Factor[40] = 1.303;
                                Factor[41] = 1.339;
                                Factor[42] = 1.448;
                                Factor[43] = 2.120;
                                Factor[44] = 2.462;
                                Factor[45] = 2.466;
                                var RoundOff = 5;
                                function UnitConvertI(value, type) {
                                    if (type == "cm")
                                        value = value / 2.54;
                                    if (type == "m")
                                        value = (value * 100) / 2.54;
                                    if (type == "mm")
                                        value = (value / 10) / 2.54;
                                    if (type == "ft")
                                        value = value * 12;
                                    if (type == "yd")
                                        value = value * 36;
                                    return value;
                                }
                                function UnitConvertF(value, type) {
                                    if (type == "cm")
                                        value = (value / 2.54) / 12;
                                    if (type == "m")
                                        value = ((value * 100) / 2.54) / 12;
                                    if (type == "mm")
                                        value = ((value / 10) / 2.54) / 12;
                                    if (type == "in")
                                        value = value / 12;
                                    if (type == "yd")
                                        value = value * 3;
                                    return value;
                                }
                                function CheckNum(value, label) {
                                    var String1 = new String(value);
                                    var String2 = new String("");
                                    var String3 = new String("");
                                    var String4 = new String("");
                                    var temp;
                                    var i = 0;
                                    var count = 0;
                                    for (i = 0; i < String1.length; i++) {
                                        String2 = new String(parseFloat(String1.charAt(i)));
                                        if (String1.charAt(i) == ".")
                                            count++;
                                        if ((String2.length != 1 & String1.charAt(i) != '.') || count > 1) {
                                            alert("You entered an illegal value for the " + label);
                                            return false;
                                        }
                                    }
                                    return true;
                                }
                                function CheckParam(Param1, Param2, Param3, Param4) {
                                    var Form = document.getElementById("ddlShape").options[document.getElementById("ddlShape").selectedIndex].text;
                                    var valid1 = 0, valid2 = 0, valid3 = 0, valid4 = 0;
                                    var counter = 0;
                                    if (Form == "Round" || Form == "Square" || Form == "Hexagonal" || Form == "Octagonal") {
                                        if (Param1 == "" || Param3 == "" || Param4 == "") {
                                            alert("You must fill in values for the Diameter And the Length!");
                                            return false;
                                        }
                                        valid1 = CheckNum(Param1, "Diameter");
                                        valid3 = CheckNum(Param3, "Length");
                                        valid4 = CheckNum(Param4, "Number of Pieces");
                                        if (valid1 != true || valid3 != true || valid4 != true)
                                            return false;
                                    }
                                    if (Form == "Flat" || Form == "Sheet" || Form == "Plate") {
                                        if (Param1 == "" || Param3 == "" || Param4 == "" || Param2 == "") {
                                            alert("You must fill in values for the Thickness And the Width And the Length!");
                                            return false;
                                        }
                                        valid1 = CheckNum(Param1, "Thickness");
                                        valid2 = CheckNum(Param2, "Width");
                                        valid3 = CheckNum(Param3, "Length");
                                        valid4 = CheckNum(Param4, "Number of Pieces");
                                        if (valid1 != true || valid3 != true || valid4 != true || valid2 != true)
                                            return false;
                                    }
                                    if (Form == "Tubular") {
                                        if (Param1 == "" || Param3 == "" || Param4 == "" || Param2 == "") {
                                            alert("You must fill in values for the Outer Diameter And the Wall And the Length!");
                                            return false;
                                        }
                                        valid1 = CheckNum(Param1, "Outer Diameter");
                                        valid2 = CheckNum(Param2, "Wall");
                                        valid3 = CheckNum(Param3, "Length");
                                        valid4 = CheckNum(Param4, "Number of Pieces");
                                        if (valid1 != true || valid2 != true || valid3 != true || valid4 != true)
                                            return false;
                                    }
                                    if (Form == "Circular") {
                                        if (Param1 == "" || Param3 == "" || Param4 == "") {
                                            alert("You must fill in values for the Diameter And the Thickness!");
                                            return false;
                                        }
                                        valid1 = CheckNum(Param1, "Diameter");
                                        valid3 = CheckNum(Param3, "Thickness");
                                        valid4 = CheckNum(Param4, "Number of Pieces");
                                        if (valid1 != true || valid3 != true || valid4 != true)
                                            return false;
                                    }
                                    if (Form == "Ring") {
                                        if (Param1 == "" || Param2 == "" || Param3 == "" || Param4 == "") {
                                            alert("You must fill in values for the Outer Diameter And the Inner Diameter And the Thickness!");
                                            return false;
                                        }
                                        valid1 = CheckNum(Param1, "Outer Diameter");
                                        valid2 = CheckNum(Param2, "Inner Diameter");
                                        valid3 = CheckNum(Param3, "Thickness");
                                        valid4 = CheckNum(Param4, "Number of Pieces");
                                        if (valid1 != true || valid2 != true || valid3 != true || valid4 != true)
                                            return false;
                                    }
                                    return true;
                                }
                                function CalculateWeight() {
                                    var Param = new Array(5);
                                    var Units = new Array(4);
                                    var Convert;
                                    var FormType;
                                    var Result;
                                    var Good;
                                    Param[0] = document.getElementById("param1").value;
                                    Param[1] = document.getElementById("param2").value;
                                    Param[2] = document.getElementById("param3").value;
                                    Param[3] = document.getElementById("param4").value;
                                    Good = CheckParam(Param[0], Param[1], Param[2], Param[3]);
                                    if (!Good)
                                        return;
                                    Units[0] = document.getElementById("units1").options[document.getElementById("units1").selectedIndex].text;
                                    Units[1] = document.getElementById("units2").options[document.getElementById("units2").selectedIndex].text;
                                    Units[2] = document.getElementById("units3").options[document.getElementById("units3").selectedIndex].text;
                                    Param[0] = UnitConvertI(Param[0], Units[0]);
                                    Param[1] = UnitConvertI(Param[1], Units[1]);
                                    Param[2] = UnitConvertF(Param[2], Units[2]);
                                    FormType = document.getElementById("ddlShape").options[document.getElementById("ddlShape").selectedIndex].text;
                                    if (document.getElementById("product").selectedIndex > 0)
                                        Convert = Factor[document.getElementById("product").selectedIndex - 1];
                                    else
                                        Convert = 1;
                                    document.getElementById("result").rsize = "4";
                                    if (FormType == "Round") {
                                        Result = new String(2.6729 * Param[0] * Param[0] * Convert * Param[2] * Param[3]);
                                        document.getElementById("result").value = Result.substring(0, Result.indexOf(".") + RoundOff);
                                    }
                                    if (FormType == "Square") {
                                        Result = new String(3.4032 * Param[0] * Param[0] * Convert * Param[2] * Param[3]);
                                        document.getElementById("result").value = Result.substring(0, Result.indexOf(".") + RoundOff);
                                    }
                                    if (FormType == "Hexagonal") {
                                        Result = new String(2.9473 * Param[0] * Param[0] * Convert * Param[2] * Param[3]);
                                        document.getElementById("result").value = Result.substring(0, Result.indexOf(".") + RoundOff);
                                    }
                                    if (FormType == "Octagonal") {
                                        Result = new String(2.8193 * Param[0] * Param[0] * Convert * Param[2] * Param[3]);
                                        document.getElementById("result").value = Result.substring(0, Result.indexOf(".") + RoundOff);
                                    }
                                    if (FormType == "Flat" || FormType == "Sheet" || FormType == "Plate") {
                                        Result = new String(3.4032 * Param[0] * Convert * Param[1] * Param[2] * Param[3]); document.getElementById("result").value = Result.substring(0, Result.indexOf(".") + RoundOff);
                                    }
                                    if (FormType == "Tubular") {
                                        Result = 10.68 * (Param[0] - Param[1]) * Convert * Param[1] * Param[2] * Param[3];
                                        if (Result < 0)
                                            alert("The Width of the Tube Wall cannot exceed the Outer Diameter!");
                                        else {
                                            Result = new String(Result);
                                            document.getElementById("result").value = Result.substring(0, Result.indexOf(".") + RoundOff);
                                        }
                                    }
                                    if (FormType == "Circular") {
                                        Param[2] = UnitConvertI(Param[2], "ft");
                                        Result = new String(.22274 * Param[0] * Convert * Param[0] * Param[2] * Param[3]);
                                        document.getElementById("result").value = Result.substring(0, Result.indexOf(".") + RoundOff);
                                    }
                                    if (FormType == "Ring") {
                                        Param[2] = UnitConvertI(Param[2], "ft");
                                        Result = (.22274 * Param[2] * ((Param[0] * Param[0]) - (Param[1] * Param[1])) * Convert * Param[3]);
                                        if (Result < 0)
                                            alert("The Inner Diameter cannot exceed the Outer Diameter!");
                                        else {
                                            Result = new String(Result);
                                            document.getElementById("result").value = Result.substring(0, Result.indexOf(".") + RoundOff);
                                        }
                                    }
                                    weightConverter(Result);
                                }
                                function ClearFields() {
                                    document.getElementById("param1").value = "";
                                    document.getElementById("param2").value = "";
                                    document.getElementById("param3").value = "";
                                    document.getElementById("param4").value = "1";
                                    document.getElementById("result").value = "";
                                    document.getElementById("outputKilograms").value="";
                                }
                                function ChangeLabel() {
                                    var formType;
                                    var e = document.getElementById("ddlShape");
                                    formType = e.options[e.selectedIndex].value;
                                    document.getElementById("disp").style.display = "flex";
                                    if (formType == "Round") {
                                        document.getElementById("lbl1").value = "Diameter:";
                                        document.getElementById("disp").style.display = "none";
                                        document.getElementById("lbl3").value = "Length:";
                                        //document.getElementById("lbl2").value = "Thickness:";
                                        //document.getElementById("lbl3").value = "Length:";
                                    }
                                    if (formType == "Square") {
                                        document.getElementById("lbl1").value = "Diameter:";
                                        document.getElementById("lbl2").value = "Thickness:";
                                        document.getElementById("lbl3").value = "Length:";
                                    }
                                    if (formType == "Hexagonal") {
                                        document.getElementById("lbl1").value = "Diameter:";
                                        document.getElementById("lbl2").value = "Thickness:";
                                        document.getElementById("lbl3").value = "Length:";
                                    }
                                    if (formType == "Octagonal") {
                                        document.getElementById("lbl1").value = "Diameter:";
                                        document.getElementById("lbl2").value = "Thickness:";
                                        document.getElementById("lbl3").value = "Length:";
                                    }
                                    if (formType == "Flat" || formType == "Sheet" || formType == "Plate") {
                                        document.getElementById("lbl1").value = "Thickness:";
                                        document.getElementById("lbl2").value = "Width:";
                                        document.getElementById("lbl3").value = "Length:";
                                    }
                                    if (formType == "Tubular") {
                                        document.getElementById("lbl1").value = "Outer Diameter:";
                                        document.getElementById("lbl2").value = "Wall:";
                                        document.getElementById("lbl3").value = "Length:";
                                    }
                                    if (formType == "Circular") {
                                        document.getElementById("lbl1").value = "Diameter:";
                                        document.getElementById("lbl2").value = "";
                                        document.getElementById("lbl3").value = "Thickness:";
                                    }
                                    if (formType == "Ring") {
                                        document.getElementById("lbl1").value = "Outer Diameter:";
                                        document.getElementById("lbl2").value = "Inner Diameter:";
                                        document.getElementById("lbl3").value = "Thickness:";
                                    }
                                }
                                function weightConverter(valNum) {
                                 document.getElementById("outputKilograms").value=valNum/2.2046;
                                }
jQuery( document ).ready(function() {
        ChangeLabel();
        ClearFields();
});