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<![CDATA[
<SCRIPT LANGUAGE="JavaScript">
<!-- Generic Unit Conversion Program
// Author : Jonathan Weesner (jweesner@cyberstation.net) 21 Nov 95
function convertform(form){
var firstvalue = 0;
for (var i = 1; i <= form.count; i++) {
// Find first non-blank entry
if (form.elements[i].value != null && form.elements[i].value.length != 0) {
if (i == 1 && form.elements[2].value != "") return false;
firstvalue = form.elements[i].value / form.elements[i].factor;
break;
}
}
if (firstvalue == 0) {
clearform(form);
return false;
}
for (var i = 1; i <= form.count; i++)
form.elements[i].value =
formatvalue((firstvalue * form.elements[i].factor), form.rsize);
return true;
}
function formatvalue(input, rsize) {
var invalid = "**************************";
var nines = "999999999999999999999999";
var strin = "" + input;
var fltin = parseFloat(strin);
if (strin.length <= rsize) return strin;
if (strin.indexOf("e") != -1 ||
fltin > parseFloat(nines.substring(0,rsize)+".4"))
return invalid.substring(0, rsize);
var rounded = "" + (fltin + (fltin - parseFloat(strin.substring(0, rsize))));
return rounded.substring(0, rsize);
}
function resetform(form) {
clearform(form);
form.elements[1].value = 1;
convertform(form);
return true;
}
function clearform(form) {
for (var i = 1; i <= form.count; i++) form.elements[i].value = "";
return true;
}
<!-- done hiding from old browsers -->
</SCRIPT><CENTER>
<FORM>
<TABLE border=4 bgcolor="#ffebcd">
<TR>
<TD ROWSPAN=3><a href = "http://www.dauntless-soft.com" TARGET="Dauntless">
<IMG SRC = "http://www.dauntless-soft.com/IMAGES/Freebies/calclogo.gif"
ALT="Dauntless Software"></A></TD>
<TD COLSPAN=7 ALIGN=CENTER VALIGN=MIDDLE><H2>Distance Unit
Conversion Calculator</H2></TD>
</TR><TR>
<TD ALIGN=CENTER>Meters</TD>
<TD ALIGN=CENTER>Inches</TD>
<TD ALIGN=CENTER>Feet</TD>
<TD ALIGN=CENTER>Yards</TD>
<TD ALIGN=CENTER>Miles</TD>
<TD ALIGN=CENTER>Nautical<BR>Miles</TD>
<TD><INPUT TYPE="button" VALUE="Calibrate" onclick="resetform(this.form)"></TD>
</TR><TR>
<TD><INPUT TYPE=TEXT NAME=val1 SIZE=7 onfocus="clearform(this.form)"></TD>
<TD><INPUT TYPE=TEXT NAME=val2 SIZE=7 onfocus="clearform(this.form)"></TD>
<TD><INPUT TYPE=TEXT NAME=val3 SIZE=7 onfocus="clearform(this.form)"></TD>
<TD><INPUT TYPE=TEXT NAME=val4 SIZE=7 onfocus="clearform(this.form)"></TD>
<TD><INPUT TYPE=TEXT NAME=val5 SIZE=7 onfocus="clearform(this.form)"></TD>
<TD><INPUT TYPE=TEXT NAME=val6 SIZE=7 onfocus="clearform(this.form)"></TD>
<TD><INPUT TYPE="button" VALUE="Calculate" onclick="convertform(this.form)"></TD>
</TR>
</TABLE>
</FORM>
<SCRIPT LANGUAGE="JavaScript">
<!-- Set conversion factors for each item in form. All
// factors must convert the first item to the current item.
// Be sure to use the correct form index. The first form is
// always index "0" and remaining forms are numbered in the
// order they appear in the document.
document.forms[0].count = 6; // number of unit types
document.forms[0].rsize = 7; // Rounding size, use same as SIZE
document.forms[0].val1.factor = 1; // m to m.
document.forms[0].val2.factor = 39.37007874; // m to in.
document.forms[0].val3.factor = 3.280839895; // m to ft.
document.forms[0].val4.factor = 1.093613298; // m to yards.
document.forms[0].val5.factor = 0.00062137119; // m to mi.
document.forms[0].val6.factor = 0.0005399568034557; // m to nm.
<!-- done hiding from old browsers -->
</SCRIPT>
</SCRIPT>
]]>
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