l1 = new Array(0,1,2.54,25.4,1/12,0.0254,1/36,1/63360,0.0000254);
l2 = new Array(0,0.39370079,1,10,0.032808399,0.01,0.010936133,0.0000062137119,0.00001);
l3 = new Array(0,0.039370079,0.1,1,0.0032808399,0.001,0.0010936133,0.00000062137119,0.000001);
l4 = new Array(0,12,30.48,304.8,1,0.3048,1/3,1/5280,0.0003048);
l5 = new Array(0,39.370079,100,1000,3.2808399,1,1.0936133,0.00062137119,0.001);
l6 = new Array(0,36,91.44,914.4,3,0.9144,1,1/1760,0.0009144);
l7 = new Array(0,63360,160934.4,1609344,5280,1609.344,1760,1,1.609344);
l8 = new Array(0,39370.079,100000,1000000,3280.8399,1000,1093.6133,0.62137119,1);
a1 = new Array(0,1,6.4516,1/144,0.00064516,1/1296,1/4014489600,0.00000000064516,0.00000015942187,1/15500031);
a2 = new Array(0,0.15500031,1,0.001076391,0.0001,0.000119599,0.00000000003861,0.0000000001,1/40468726,0.0000000);
a3 = new Array(0,144,929.0304,1,0.09290304,1/9,1/27878400,1/10763910,0.000022956749,0.000009290304);
a4 = new Array(0,1550.0031,10000,10.76391,1,1.19599,0.00000038610216,0.000001,0.00024710439,0.0001);
a5 = new Array(0,1296,8361.2736,9,0.83612736,1,1/3097600,1/1195990,0.00020661074,0.000083612736);
a6 = new Array(0,4014489600,25899881000,27878400,2589988.1,3097600,1,2.5899881,639.99744,258.99881);
a7 = new Array(0,1550003100,10000000000,10763910,1000000,1195990,2.5899881,1,247.10439,100);
a8 = new Array(0,6272665.1,40468726,43560.174,4046.8726,4840.0194,0.0015625063,0.0040468726,1,0.40468726);
a9 = new Array(0,15500031,100000000,107639.1,10000,11959.9,0.0038610216,0.01,2.4710439,1);
v1 = new Array(0,1,16.387064,1/1728,0.000016387064,1/46656,0.55411255,0.016387064,0.0036046501,1/231);
v2 = new Array(0,0.061023744,1,0.000035314667,0.000001,1.3079506,0.033814023,0.001,0.00021996925,0.00026417205);
v3 = new Array(0,1728,28316.847,1,0.028316847,1/27,957.50649,28.316847,6.2288355,7.4805195);
v4 = new Array(0,61023.744,1000000,35.314667,1,1.3079506,33814.023,1000,219.96925,264.17205);
v5 = new Array(0,46656,764554.86,27,0.76455486,1,25852.675,764.55486,168.17856,201.97403);
v6 = new Array(0,1.8046875,29.57353,0.0010443793,0.00002957353,0.000038680716,1,0.02957353,0.0065052671,1/128);
v7 = new Array(0,61.023744,1000,0.035314667,0.001,0.0013079506,33.814023,1,0.21996925,0.26417205);
v8 = new Array(0,277.41943,4546.09,0.16054365,0.00454609,0.0059460612,153.72159,4.54609,1,1.2009499);
v9 = new Array(0,231,3785.4118,0.13368056,0.0037854118,0.0049511317,128,3.7854118,0.83267418,1);
w1 = new Array(0,1,28.349523,1/16,0.028349523,1/35840,1/32000,0.000028349523);
w2 = new Array(0,0.035273962,1,0.0022046226,0.001,0.00000098420653,0.0000011023113,0.000001);
w3 = new Array(0,16,453.59237,1,0.45359237,1/2240,0.0005,0.00045359237);
w4 = new Array(0,35.273962,1000,2.2046226,1,0.00098420653,0.0011023113,0.001);
w5 = new Array(0,35840,1016046.9,2240,1016.0469,1,1.12,1.0160469);
w6 = new Array(0,32000,907184.74,2000,907.18474,1.12,1,0.90718474);
w7 = new Array(0,35273.962,1000000,2204.6226,1000,0.98420653,1.1023113,1);

function convert(form1){
 myForm=eval('document.'+form1);
 if(myForm.begin.value!=0&&myForm.begin.value!=""&&myForm.modone.selectedIndex!=0&&myForm.modtwo.selectedIndex!=0){
  if(isNaN(myForm.begin.value)){
   return;
  }
  myArray=eval(myForm.modone[myForm.modone.selectedIndex].value);
  myForm.result.value=myForm.begin.value*myArray[myForm.modtwo.selectedIndex];
 }
}

function calculate(form1){
 if(form1=="nonpallet"){
  myLength=document.nonpallet.length.value;
  myWidth =document.nonpallet.width.value;
  myHeight=document.nonpallet.height.value;
  myWeight=document.nonpallet.weight.value;
  if((myWeight=="")||(myLength=="")||(myWidth=="")||(myHeight=="")){
   alert("Please enter all feilds");
   return;
  }
  document.nonpallet.density.value=(Math.round(100*(myWeight/((myLength*myWidth*myHeight)/1728))))/100;
 }else if(form1=="pallet"){
  myLength =document.pallet.length.value;
  myWidth  =document.pallet.width.value;
  myPHeight=document.pallet.pheight.value;
  myHeight =document.pallet.height.value;
  myWeight =document.pallet.weight.value;
  if((myWeight=="")||(myLength=="")||(myWidth=="")||(myPHeight=="")||(myHeight=="")){
   alert("Please enter all feilds");
   return;
  }
  document.pallet.density.value=(Math.round(100*(myWeight/((myLength*myWidth*(parseInt(myPHeight)+parseInt(myHeight)))/1728))))/100;
 }else if(form1=="cylinder"){
  myLength=document.cylinder.length.value;
  myHeight=document.cylinder.height.value;
  myWeight=document.cylinder.weight.value;
  if((myWeight=="")||(myLength=="")||(myHeight=="")){
   alert("Please enter all feilds");
   return;
  }
  document.cylinder.density.value=(Math.round(100*(myWeight/(((myLength*myLength)*myHeight)/1728)))/100);
 }
}