Javascript to Jquery

Javascript to Jquery

hi ; 

i need to convert to javascript to jquery but i dont know how to do it , can you help me  ? 

thanks for helps
best regards 

i need to convert this javascript  

  1. <script type="text/javascript"> function configureDropDownLists(XLEW_3_5_3,XLEW_3_6_3) { var K31_213mm = new Array('90', '106');  var K32_245mm = new Array('90', '106');  var K33_338mm = new Array('90', '106');  var K31D_213mm = new Array('106', '160');  var K32D_245mm = new Array('106', '160');  var K33D_338mm = new Array('106', '160');  var K31_LH_213mm = new Array('77');  var K32_LH_245mm = new Array('77');  switch (XLEW_3_5_3.value) { case 'K31_213mm':  document.getElementById(XLEW_3_6_3).options.length = 0; for (i = 0; i < K31_213mm.length; i++) { createOption(document.getElementById(XLEW_3_6_3), K31_213mm[i], K31_213mm[i]); } break; case 'K32_245mm':  document.getElementById(XLEW_3_6_3).options.length = 0; for (i = 0; i < K32_245mm.length; i++) { createOption(document.getElementById(XLEW_3_6_3), K32_245mm[i], K32_245mm[i]); } break; case 'K33_338mm':  document.getElementById(XLEW_3_6_3).options.length = 0; for (i = 0; i < K33_338mm.length; i++) { createOption(document.getElementById(XLEW_3_6_3), K33_338mm[i], K33_338mm[i]); } break; case 'K31D_213mm':  document.getElementById(XLEW_3_6_3).options.length = 0; for (i = 0; i < K31D_213mm.length; i++) { createOption(document.getElementById(XLEW_3_6_3), K31D_213mm[i], K31D_213mm[i]); } break; case 'K32D_245mm':  document.getElementById(XLEW_3_6_3).options.length = 0; for (i = 0; i < K32D_245mm.length; i++) { createOption(document.getElementById(XLEW_3_6_3), K32D_245mm[i], K32D_245mm[i]); } break; case 'K33D_338mm':  document.getElementById(XLEW_3_6_3).options.length = 0; for (i = 0; i < K33D_338mm.length; i++) { createOption(document.getElementById(XLEW_3_6_3), K33D_338mm[i], K33D_338mm[i]); } break; case 'K31_LH_213mm':  document.getElementById(XLEW_3_6_3).options.length = 0; for (i = 0; i < K31_LH_213mm.length; i++) { createOption(document.getElementById(XLEW_3_6_3), K31_LH_213mm[i], K31_LH_213mm[i]); } break; case 'K32_LH_245mm':  document.getElementById(XLEW_3_6_3).options.length = 0; for (i = 0; i < K32_LH_245mm.length; i++) { createOption(document.getElementById(XLEW_3_6_3), K32_LH_245mm[i], K32_LH_245mm[i]); } break; default: document.getElementById(XLEW_3_6_3).options.length = 0; break; } } function createOption(XLEW_3_5_3, text, value) { var opt = document.createElement('option');  opt.value = value; opt.text = text; XLEW_3_5_3.options.add(opt); } </script>