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.principal.value==""||form.principal.value==0){alert("Please enter the principal balance of your current mortgage.");form.principal.focus()}else{if(form.interest.value==""||form.interest.value==0){alert("Please enter the interest rate of your current mortgage.");form.interest.focus()}else{if(form.origPmt.value==""||form.origPmt.value==0){alert("Please your current monthly mortgage payment.");form.origPmt.focus()}else{if(form.noYears.value==""||form.noYears.value==0){alert("Please enter the number of years you would like to pay off your mortgage in.");form.noYears.focus()}else{var i=form.interest.value;if(i>1){i=i/100}i/=12;VnoYears=form.noYears.value;VorigPmt=form.origPmt.value;var noMonths=VnoYears*12;var pow=1;for(var j=0;j<noMonths;j++){pow=pow*(1+i)}var newPmt=(form.principal.value*pow*i)/(pow-1);var VpmtAdd=eval(newPmt)-eval(VorigPmt);form.pmtAdd.value="$"+formatNum(VpmtAdd);var prin=form.principal.value;var count=0;var prinPort=0;var intPort=0;var accumInt=0;var pmt=form.origPmt.value;while(eval(prin)>eval(pmt)){intPort=prin*i;accumInt=eval(accumInt)+eval(intPort);prinPort=eval(pmt)-eval(intPort);prin=eval(prin)-eval(prinPort);count=eval(count)+eval(1)}var VorigInt=accumInt;var VnewInt=(eval(newPmt*noMonths))-eval(form.principal.value);var VintSave=eval(VorigInt)-eval(VnewInt);form.intSave.value="$"+formatNum(VintSave);var Vresults=("If you would like to pay off your mortgage in "+VnoYears+" years instead of the current "+formatNum(count/12)+" years, you will need to start making a second monthly mortgage payment in the amount of "+form.pmtAdd.value+". This will cut your current mortgage interest cost from $"+formatNum(accumInt)+" down to $"+formatNum(VnewInt)+", a savings of "+form.intSave.value+" in interest charges.");form.results.value=Vresults}}}}}function clearForm(a){a.principal.value="";a.interest.value="";a.origPmt.value="";a.noYears.value="";a.pmtAdd.value="";a.intSave.value="";a.results.value=""};