|
<![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>Volume Unit Conversion Calculator</H2></TD>
</TR><TR>
<TD ALIGN=CENTER>Liters</TD>
<TD ALIGN=CENTER>Fluid<BR>Ounces</TD>
<TD ALIGN=CENTER>Quarts</TD>
<TD ALIGN=CENTER>Gallons</TD>
<TD ALIGN=CENTER>Imperial<BR>Gallons</TD>
<TD><INPUT TYPE="button" VALUE="Calibrate" onclick=resetform(this.form)></TD>
</TR><TR>
<TD><INPUT TYPE=TEXT NAME=val1 SIZE=6 onfocus="clearform(this.form)"</TD>
<TD><INPUT TYPE=TEXT NAME=val2 SIZE=6 onfocus="clearform(this.form)"</TD>
<TD><INPUT TYPE=TEXT NAME=val3 SIZE=6 onfocus="clearform(this.form)"</TD>
<TD><INPUT TYPE=TEXT NAME=val4 SIZE=6 onfocus="clearform(this.form)"</TD>
<TD><INPUT TYPE=TEXT NAME=val5 SIZE=6 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.
document.forms[0].count = 5;
document.forms[0].rsize = 6;
document.forms[0].val1.factor = 1;
document.forms[0].val2.factor = 33.8239926;
document.forms[0].val3.factor = 1.056998;
document.forms[0].val4.factor = 0.2642499;
document.forms[0].val5.factor = 0.2200433;
</SCRIPT>
</SCRIPT>
]]>
|