function jumpBox(a){location.href=a.options[a.selectedIndex].value}function formatNum(Vnum){if(Vnum>99000000){alert("Sorry, this will not generate numbers larger that 99 million.");focus()}else{var V10million=parseInt(Vnum/10000000);var V1million=(Vnum%10000000)/1000000;if(V1million/1000000==1){V1million=1}else{if(V1million<1){V1million="0"}else{V1million=parseInt(V1million,10)}}var V100thousand=(Vnum%1000000)/100000;if(V100thousand/100000==1){V100thousand=1}else{if(V100thousand<1){V100thousand="0"}else{V100thousand=parseInt(V100thousand,10)}}var V10thousand=(Vnum%100000)/10000;if(V10thousand/10000==1){V10thousand=1}else{if(V10thousand<1){V10thousand="0"}else{V10thousand=parseInt(V10thousand,10)}}var V1thousand=(Vnum%10000)/1000;if(V1thousand/1000==1){V1thousand=1}else{if(V1thousand<1){V1thousand="0"}else{V1thousand=parseInt(V1thousand,10)}}var Vhundreds=(Vnum%1000)/100;if(Vhundreds/100==1){Vhundreds=1}else{if(Vhundreds<1){Vhundreds="0"}else{Vhundreds=parseInt(Vhundreds,10)}}var Vtens=(Vnum%100)/10;if(Vtens/10==1){Vtens=1}else{if(Vtens<1){Vtens="0"}else{Vtens=parseInt(Vtens,10)}}var Vones=(Vnum%10)/1;if(Vones/1==1){Vones=1}else{if(Vones<1){Vones="0"}else{Vones=parseInt(Vones,10)}}var Vcents=0;if(Vnum%1*100<1){Vcents=0}else{Vcents=parseInt(((eval(Vnum%1)*100)),10)}if(Vcents<1){Vcents="00"}else{if(Vcents%10==0){Vcents=Vcents+"0"}else{if(Vcents%10==Vcents){Vcents="0"+Vcents}else{Vcents=Vcents}}}if(Vcents=="900"){Vcents="90"}else{if(Vcents=="800"){Vcents="80"}else{if(Vcents=="700"){Vcents="70"}else{if(Vcents=="600"){Vcents="60"}else{if(Vcents=="500"){Vcents="50"}else{if(Vcents=="400"){Vcents="40"}else{if(Vcents=="300"){Vcents="30"}else{if(Vcents=="200"){Vcents="20"}else{if(Vcents=="100"){Vcents="10"}else{Vcents=Vcents}}}}}}}}}var Vformat="";if(Vnum>=10000000){Vformat=(V10million+""+V1million+","+V100thousand+""+V10thousand+""+V1thousand+","+Vhundreds+""+Vtens+""+Vones+"."+Vcents)}else{if(Vnum>=1000000){Vformat=(V1million+","+V100thousand+""+V10thousand+""+V1thousand+","+Vhundreds+""+Vtens+""+Vones+"."+Vcents)}else{if(Vnum>=100000){Vformat=(V100thousand+""+V10thousand+""+V1thousand+","+Vhundreds+""+Vtens+""+Vones+"."+Vcents)}else{if(Vnum>=10000){Vformat=(V10thousand+""+V1thousand+","+Vhundreds+""+Vtens+""+Vones+"."+Vcents)}else{if(Vnum>=1000){Vformat=(V1thousand+","+Vhundreds+""+Vtens+""+Vones+"."+Vcents)}else{if(Vnum>=100){Vformat=(Vhundreds+""+Vtens+""+Vones+"."+Vcents)}else{if(Vnum>=10){Vformat=(Vtens+""+Vones+"."+Vcents)}else{if(Vnum>=1){Vformat=(Vones+"."+Vcents)}else{Vformat=("0."+Vcents)}}}}}}}}return Vformat}}function computeForm(form){if(form.payment.value==""){alert("Please enter the amount of your mortgage payment.")}else{if(form.principal.value==""){alert("Please enter the your mortgage's current principal balance.")}else{if(form.intRate.value==""){alert("Please enter your mortgage's annual interest rate.")}else{var pmt1=form.payment.value;var pmt2=form.payment.value/2;var prin1=form.principal.value;var prin2=form.principal.value;var intPort1=0;var intPort2=0;var prinPort1=0;var prinPort2=0;var accumInt1=0;var accumPrin1=0;var accumInt2=0;var accumPrin2=0;var i=form.intRate.value;if(i>1){i=i/100}var i1=i/12;var i2=i/26;var count1=0;var count2=0;while(prin1>0){intPort1=prin1*i1;prinPort1=pmt1-intPort1;prin1=prin1-prinPort1;accumPrin1=accumPrin1+prinPort1;accumInt1=accumInt1+intPort1;count1=count1+1;if(count1>600){break}else{continue}}form.origInt.value="$"+formatNum(accumInt1);while(prin2>0){intPort2=prin2*i2;prinPort2=pmt2-intPort2;prin2=prin2-prinPort2;accumPrin2=accumPrin2+prinPort2;accumInt2=accumInt2+intPort2;count2=count2+1;if(count1>600){break}else{continue}}form.biwkInt.value="$"+formatNum(accumInt2);var VintSave=eval(accumInt1)-eval(accumInt2);form.intSave.value="$"+formatNum(VintSave);form.time.value="In essence, what you are really doing is adding a 13th payment to your annual number of payments, and splitting it up between 26 bi-weekly payments. Which in your case means that by coughing up and extra $"+formatNum(pmt1/26)+" every two weeks you will pay off your mortgage in "+parseInt(count2/26*12,10)+" months instead of the current "+count1+" months, and save $"+formatNum(accumInt1-accumInt2)+" in mortgage interest in the process.  Now I ask you, is there anything else you would rather spend your $"+formatNum(accumInt1-accumInt2)+" on besides interest?"}}}}function clearForm(a){a.principal.value="";a.payment.value="";a.intRate.value="";a.intSave.value="";a.origInt.value="";a.biwkInt.value="";a.time.value=""};