SILAKAN COPY SCRIPT DIBAWAH INI KE NOTEPAD ATAU EDITOR TEXT LAIN KEMUDIAN SAVE AS DENGAN NAMA FILE chaincalc.html KEMUDIAN JALANKAN DI BROWSER ANDA

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1 SILAKAN COPY SCRIPT DIBAWAH INI KE NOTEPAD ATAU EDITOR TEXT LAIN KEMUDIAN SAVE AS DENGAN NAMA FILE chaincalc.html KEMUDIAN JALANKAN DI BROWSER ANDA <script language="javascript"> <!---- function fixnan(i){ if(isnan(i)){ return 0 else{ return i window.onerror = null function browserver(v){ return ( parseint(navigator.appversion) >= v )? true: false; function PreLoadImage(imgsrc){ if( browserver(4) ){ var img= new Image(); img.src=imgsrc; return img; function ShowButton(imagename,objectsrc){ if( browserver(4) ){ document.images[imagename].src=eval(objectsrc+".src"); ; function ShowQuad(loc1,loc2,loc3,loc4, objectsrc1,objectsrc2,objectsrc3,objectsrc4){ ShowButton(loc1, objectsrc1); ShowButton(loc2, objectsrc2); ShowButton(loc3, objectsrc3); ShowButton(loc4, objectsrc4); ; function nfncm2inch(cm){ return(cm / 2.54); function ifnround2nearestint(decimalnumber){ var remainder=0.0; var intpart = 0; intpart = parseint(decimalnumber);

2 remainder = parsefloat(decimalnumber) - intpart; if( remainder < 0.5){ return parseint(decimalnumber) else{ return parseint(decimalnumber) + 1 function ifnroundup2nearestint(decimalnumber){ var remainder=0.0; var intpart = 0; intpart = parseint(decimalnumber); remainder = parsefloat(decimalnumber) - intpart; if( remainder == 0){ return parseint(decimalnumber) else{ return parseint(decimalnumber) + 1 function calculate_bicycle_chain_length(){ var o=document.frmchainlength var u=o.cmbchainstayunits var CSL = parsefloat(o.txtchainstay.value); var F = parseint(o.txtfrontcog.value); var R = parseint(o.txtrearcog.value); var sout=""; var nresult = 0.0; if(o.cmbtypegears.selectedindex==0){ nresult = 1.0; else if(o.cmbtypegears.selectedindex==2){ nresult = 2.0; if(u.selectedindex==1){ CSL=nfnCM2Inch(CSL); else if(u.selectedindex==2){ CSL=nfnCM2Inch(CSL)/10 nresult = nresult * (F + R) + 2 * Math.sqrt( (CSL * CSL) + Math.pow(( * (F - R)),2) ) if(o.cmbtypechainstay.selectedindex==0){

3 iroundedresult = fixnan(ifnround2nearestint(nresult)) else{ iroundedresult = fixnan(ifnroundup2nearestint(nresult)) sout = "Panjang Yang Direkomendasikan = " + iroundedresult + " inches or " + iroundedresult + " links \n" sout+= "Rantai Terurai = " + fixnan(nresult) + " inch" o.txtoutput.value = sout; //---> </script> </p><form name="frmchainlength"> <table width="100%" border="0" cellpadding="1" cellspacing="0"><tbody><td align="center"> <table border="6" cellpadding="1" cellspacing="1"><tbody> <table border="0" cellpadding="1" cellspacing="1"><tbody> <b>tipe Transmisi:</b> <select name="cmbtypegears" size="1" width="15" > <option selected="selected">derailleur </option><option>fixed Wheel/Cocoa tin gears </option><option>oversized Derailleur </option></select> <br> <b>tipe Chainstay:</b> <select name="cmbtypechainstay" size="1" width="28" > <option>adjustable Chainstay Length (Dpt Diubah) </option><option selected="selected">fixed Chainstay Length (Tetap)

4 </option></select> <br> <b>panjang Chainstay:</b> <input name="txtchainstay" value="17.25" maxlength="14" size="6" onfocus="this.select();this.focus();" type="text"> <select name="cmbchainstayunits" size="1" width="15" > <option selected="selected">inches </option><option>centimeters </option><option>millimeters </option></select> <b>gear Depan Terbesar:</b> <input name="txtfrontcog" value="50" maxlength="2" size="2" onfocus="this.select();this.focus();" type="text"> <b>gigi</b> <b>gear Belakang Terbesar:</b> <input name="txtrearcog" value="28" maxlength="2" size="2" onfocus="this.select();this.focus();" type="text"> <b>gigi</b> <input name="cmdcalcaveragespeed" value="hitung" onclick="calculate_bicycle_chain_length()" type="button">

5 <td valign="top" align="right"> <b>panjang Rantai Ideal:</b> <textarea name="txtoutput" rows="2" cols="50"> </textarea> <font size="-2"><a href=" by Nigel Jones</a></font> </tbody></table> </tbody></table> </tbody></table> </form>