AutoScripter(tm) - Payment Calculator

You can use this handy tool to learn just how much your monthly payment will be for a new computer, a big screen TV or even a new house!

All you do is type the amount it will cost, what the interest rate will be and how many months your loan will be for. "Click" Compute or simply click in the payment window to see how much it will cost each month.

Simply type Control-c or Apple-c to copy the script: <!DOCTYPE HTML PUBLIC -//W3C//DTD HTML 4.01 TRANSITIONAL//EN> <HTML LANG=EN><HEAD><TITLE>Payment Calculator</TITLE> <META HTTP-EQUIV=Content-Type CONTENT="text/html;charset=ISO-8859-1"> <META NAME=AUTHOR CONTENT="Your Name"> <META NAME=COPYRIGHT CONTENT="© Your Copyright Info"> <META NAME=KEYWORDS CONTENT="Your keywords separated by commas here (up to 200)"> <META NAME=DATE CONTENT="Date and Time Content"> <STYLE TYPE="text/css"> BODY{ font-family:arial,helvetica,sans-serif; font-size:10pt; color:black; } TD{ font-family:arial,helvetica,sans-serif; font-size:12px; color:black; } TD.a{ font-family:arial,helvetica,sans-serif; font-size:12px; font-weight:bold; color:white; } TD.b{ font-family:arial,helvetica,sans-serif; font-size:10px; color:black; } TABLE{ font-family:arial,helvetica,sans-serif; font-size:12px; color:black; } TABLE.a{ font-family:arial,helvetica,sans-serif; font-size:12px; font-weight:bold; color:white; } A:link{ text-decoration:none; color:darkblue; } A:visited{ text-decoration:none; color:darkblue; } A:active{ text-decoration:none; color:darkblue; } A:hover{ text-decoration:none; color:blue; } HR{ color:#E72918; height:1px; } INPUT{ font-family:arial,helvetica,sans-serif; font-size:12px; background:#0000FF; } INPUT.y{ font-family:arial,helvetica,sans-serif; font-size:12px; font-weight:bold; color:white; background:#0000FF; } TEXTAREA{ font-family:monaco,courier,san-serif; font-size:10px; background:#0000FF; } </STYLE> <SCRIPT LANGUAGE=JAVASCRIPT> <!-- function test_it(entry){ if (entry.value!=null&&entry.value.length!=0){ entry.value=""+eval(entry.value); } computeForm(entry.form); } function computeForm(form){ if (document.forms[0].elements[0].value==null \|\|document.forms[0].elements[0].value.length==0 \|\|document.forms[0].elements[1].value==null \|\|document.forms[0].elements[1].value.length==0 \|\|document.forms[0].elements[2].value==null \|\|document.forms[0].elements[2].value.length==0){ return; } if (!alrt_msg(document.forms[0].elements[0],1,480,"Your Number of Payments") \|\|!alrt_msg(document.forms[0].elements[1],.001,99,"Your Interest Rate") \|\|!alrt_msg(document.forms[0].elements[2],100,10000000,"Your Principal Amount")){ document.forms[0].elements[3].value="A value out of range - Click Reset"; return; } i=eval(document.forms[0].elements[1].value); ffv=0; ffv+=document.forms[0].elements[2].value; fmv=0; fmv+=document.forms[0].elements[0].value; if (i>1.0){ i=(i/100.0); var fmt=""; fmt+=i; fmt=fmt.substring(0,6) document.forms[0].elements[1].value=fmt; } i/=12; var cet=1; for (var j=0;j<eval(document.forms[0].elements[0].value);j++) cet=cet(1+i); document.forms[0].elements[3].value=(document.forms[0].elements[2].valueceti)/(cet-1); fpv=0; fpv+=document.forms[0].elements[3].value; var fmt=""; var add=9; fmt+=document.forms[0].elements[3].value; for (var i=0;i<fmt.length;i++) { if (fmt.charAt(i)==".") { add=i+3; i=fmt.length; } } fmt=fmt.substring(0,add); fcalc=((fmvfpv)-ffv); var fmtb=""; var add=9; fmtb+=fcalc; for (var i=0;i<fmtb.length;i++) { if (fmtb.charAt(i)==".") { add=i+3; i=fmtb.length; } } fmtb=fmtb.substring(0,add); document.forms[0].elements[3].value=" $"+fmt+" $"+fmtb; } function reset_it(form) { for (var x=0;x<4;x++){ document.forms[0].elements[x].value=""; } } function alrt_msg(entry,low,high,prompt) { prompt="You couldn't know. "+prompt +" entry has unacceptable stuff: "+entry.value; var scratch=entry.value; for (var i=0;i<scratch.length;i++) { var letter=scratch.substring(i,i+1); if ((letter<"0" \|\| "9"<letter) && letter!='.') { alert(prompt); return false; } } var errtst=parseFloat(scratch) if (errtst<low \|\| high<errtst) { alert("I'm sorry. "+prompt+ " is not in the range" +" from "+low+" to "+high+"!"); return false; } entry.value=scratch; return true; } //--> </SCRIPT> </HEAD> <BODY BGCOLOR=WHITE> <CENTER> <!-- Any Copy You Wish Goes Here --> <TABLE WIDTH=500 BORDER=0> <TR><TD COLSPAN=3><FONT COLOR=#E72918 SIZE=6><B>JavaScript Interest Payment Calculator</B></FONT> <P>You can use this handy tool to learn just how much your monthly payment will be for a new computer, a big screen TV or even a new house! <P>All you do is type the amount it will cost, what the interest rate will be and how many months your loan will be for. "Click" Compute or simply click in the payment window to see how much it will cost each month.<P></TD></TR> </TABLE> <FORM> <TABLE WIDTH=595 BORDER=2> <TR BGCOLOR=#E72918> <TD COLSPAN=3 VALIGN=TOP ALIGN=CENTER><FONT COLOR=WHITE><B>Simply Complete These Three Columns:</B></FONT></TD> <TD VALIGN=TOP ALIGN=CENTER><FONT COLOR=WHITE><B>See Your Payment Here</B></FONT></TD> <TD VALIGN=TOP ALIGN=CENTER><FONT COLOR=WHITE><B>See Your Interest Cost Here</B></FONT></TD></TR> <TR BGCOLOR=#E72918"> <TD VALIGN=TOP ALIGN=CENTER><FONT COLOR=WHITE><B>Number of<BR>Monthly<BR>Payments</B></FONT></TD> <TD VALIGN=TOP ALIGN=CENTER><FONT COLOR=WHITE><B>Simple<BR>Interest<BR>Rate</B></FONT></TD> <TD VALIGN=TOP ALIGN=CENTER><FONT COLOR=WHITE><B>Principal<BR>Amount<BR>of Loan</B></FONT></TD> <TD VALIGN=TOP ALIGN=CENTER><FONT COLOR=WHITE><B>Your<BR>Monthly<BR>Payment<BR>Will Be</B></FONT></TD> <TD VALIGN=TOP ALIGN=CENTER><FONT COLOR=WHITE><B>Your<BR>Total<BR>Interest Cost<BR>Will Be</B></FONT></TD></TR> <TR BGCOLOR=#E72918> <TD ALIGN=CENTER><INPUT TYPE=TEXT SIZE=5 onChange=test_it(this)></TD> <TD ALIGN=CENTER><INPUT TYPE=TEXT SIZE=6 onChange=test_it(this)></TD> <TD ALIGN=CENTER><FONT COLOR=WHITE><B>$</B></FONT><INPUT TYPE=TEXT SIZE=9 onChange=test_it(this)></TD> <TD COLSPAN=2 ALIGN=CENTER><INPUT TYPE=TEXT SIZE=40 onChange=test_it(this)></TD></TR> <TR BGCOLOR="#FF0066"> <TD COLSPAN=2 ALIGN=CENTER><INPUT TYPE=RESET VALUE="Click Here to Reset" onClick=reset_it(this.form) CLASS=y></TD> <TD COLSPAN=3 ALIGN=CENTER><INPUT TYPE=BUTTON VALUE="Click Here to Compute Your Payment and Cost" onClick=computeForm(this.form) CLASS=y></TD></TR> </TABLE><P> </FORM> <!-- More of your own copy for page goes here --> </BODY> </HTML>
© Copyright 1994-2007 John H. and Erika E. Keyes.

Simply Complete These Three Columns:			See Your Payment Here	See Your Interest Cost Here
Number of Monthly Payments	Simple Interest Rate	Principal Amount of Loan	Your Monthly Payment Will Be	Your Total Interest Cost Will Be
		$