function displayLinearFootage() {
var c;
c = '';
document.getElementById('js_content').innerHTML = c;
}
function displayBasisWeight() {
var c;
c = '';
document.getElementById('js_content').innerHTML = c;
}
function displayGrammage() {
var c;
c = '';
document.getElementById('js_content').innerHTML = c;
}
function displayMWeight() {
var c;
c = '';
document.getElementById('js_content').innerHTML = c;
}
function displayThousandSheets() {
var c;
c = '';
document.getElementById('js_content').innerHTML = c;
}
function displayWeightPaperRoll() {
var c;
c = '';
document.getElementById('js_content').innerHTML = c;
}
/***********************************************************
* CALCULATORS FROM THIRD PARTY
***********************************************************/
function formatnumber(val,places) {
var power = 1;
if (places > 0) {
power = Math.pow(10,places);
}
// now we round the val to X decimal places.
var roundedNum = (Math.round(val * power)/power) + "";
// check the result for decimals
var decpos = roundedNum.indexOf('.');
if (decpos >= 0) {
var decDiff = places-(roundedNum.length-(decpos+1));
} else {
var decDiff = places;
if (places > 0) {
roundedNum += ".";
}
}
// add missing zeros to satisify the decimal request.
for (var x = 0; x < decDiff; x++) {
roundedNum += "0";
}
return roundedNum;
}
function linearFootage(f){
var numbers = "0123456789";
var rollweight = f.rollweight.value;
var area = f.area.value;
var basisweight = f.basisweight.value;
var rollwidth = f.rollwidth.value;
var linearfeet;
for (i = 0; i <= 2; i++) {
for (j = 0; j <= 5; j++) {
if (numbers.indexOf(f.elements[i].value.substring(0,5).charAt(j)) == -1){
alert ('Please do not use letters or symbols. Re-enter with numerals only.');
return false;
}
}
}
for (k = 0; k <= 2; k++){
if (f.elements[k].value == ""){
alert("Please enter a value for all fields.");
f.elements[k].focus();
return false;
}
}
linearfeet = ((rollweight * area)*500) / ((basisweight * rollwidth)*12);
linearfeet = formatnumber(linearfeet,0);
f.linearfeet.value = linearfeet;
return false;
}
function basisWeight(f){
var numbers = "0123456789"
var basisweight = f.basisweight.value;
var basicsizewidth = f.basicsizewidth.value;
var basicsizeheight = f.basicsizeheight.value;
var totalpounds;
for (i = 0; i <= 2; i++) {
for (j = 0; j <= 5; j++) {
if (numbers.indexOf(f.elements[i].value.substring(0,5).charAt(j)) == -1){
alert ('Please do not use letters or symbols. Re-enter with numerals only.');
return false;
}
}
}
for (k = 0; k <= 2; k++){
if (f.elements[k].value == ""){
alert("Please enter a value for all fields.");
f.elements[k].focus();
return false;
}
}
totalpounds = (basisweight * (basicsizewidth * basicsizeheight)) / 1406.5;
totalpounds = formatnumber(totalpounds,2);
f.totalpounds.value = totalpounds;
return false;
}
function grammage(f){
var numbers = "0123456789"
var basisweight = f.basisweight.value;
var basicsizewidth = f.basicsizewidth.value;
var basicsizeheight = f.basicsizeheight.value;
var totalpounds;
for (i = 0; i <= 2; i++) {
for (j = 0; j <= 5; j++) {
if (numbers.indexOf(f.elements[i].value.substring(0,5).charAt(j)) == -1){
alert ('Please do not use letters or symbols. Re-enter with numerals only.');
return false;
}
}
}
for (k = 0; k <= 2; k++){
if (f.elements[k].value == ""){
alert("Please enter a value for all fields.");
f.elements[k].focus();
return false;
}
}
totalpounds = (basisweight * 1406.5) / (basicsizewidth * basicsizeheight);
totalpounds = formatnumber(totalpounds,2);
f.totalpounds.value = totalpounds;
return false;
}
function mWeight(f){
var numbers = "0123456789."
var givensizewidth = f.givensizewidth.value;
var givensizeheight = f.givensizeheight.value;
var basisweight = f.basisweight.value;
var areawidth = f.areawidth.value;
var areaheight = f.areaheight.value;
var totalpounds;
for (i = 0; i <= 4; i++) {
for (j = 0; j <= 5; j++) {
if (numbers.indexOf(f.elements[i].value.substring(0,5).charAt(j)) == -1){
alert ('Please do not use letters or symbols. Re-enter with numerals only.');
return false;
}
}
}
for (k = 0; k <= 4; k++){
if (f.elements[k].value == ""){
alert("Please enter a value for all fields.");
f.elements[k].focus();
return false;
}
}
totalpounds = (givensizewidth * givensizeheight) * basisweight / (areawidth * areaheight) * 2;
totalpounds = formatnumber(totalpounds,2);
f.totalpounds.value = totalpounds;
return false;
}
function thousandSheets(f){
var numbers = "0123456789."
var costperhundred = f.costperhundred.value;
var mweight = f.mweight.value;
var costperthousand;
for (i = 0; i <= 1; i++) {
for (j = 0; j <= 5; j++) {
if (numbers.indexOf(f.elements[i].value.substring(0,5).charAt(j)) == -1){
alert ('Please do not use letters or symbols. Re-enter with numerals only.');
return false;
}
}
}
for (k = 0; k <= 1; k++){
if (f.elements[k].value == ""){
alert("Please enter a value for all fields.");
f.elements[k].focus();
return false;
}
}
costperthousand = costperhundred * mweight / 100;
costperthousand = formatnumber(costperthousand,2);
costperthousand = "$"+costperthousand;
f.costperthousand.value = costperthousand;
return false;
}
function weightPaperRoll(f){
var numbers = "0123456789."
var rolldiameter = f.rolldiameter.value;
var corediameter = f.corediameter.value;
var rollwidth = f.rollwidth.value;
var factor = f.factor.value;
var totalpounds;
for (i = 0; i <= 3; i++) {
for (j = 0; j <= 5; j++) {
if (numbers.indexOf(f.elements[i].value.substring(0,5).charAt(j)) == -1){
alert ('Please do not use letters or symbols. Re-enter with numerals only.');
return false;
}
}
}
for (k = 0; k <= 3; k++){
if (f.elements[k].value == ""){
alert("Please enter a value for all fields.");
f.elements[k].focus();
return false;
}
}
if (rolldiameter == corediameter){
alert("Roll diameter and core diameter can not be the same. \nPlease enter core diameter as a number smaller than the roll diameter.");
return false;
}
else if (factor > 1){
alert("Please consult the factor chart below for correct examples.");
return false;
}
totalpounds = ((rolldiameter * rolldiameter) - (corediameter * corediameter)) * rollwidth * factor;
totalpounds = formatnumber(totalpounds,2);
f.totalpounds.value = totalpounds; //write the result
return false;
}