/* Form field Limiter script- By Dynamic Drive For full source code and more DHTML scripts, visit http://www.dynamicdrive.com This credit MUST stay intact for use */ var ns6=document.getElementById&&!document.all function restrictinput(maxlength,e,placeholder){ if (window.event&&event.srcElement.value.length>=maxlength) return false else if (e.target&&e.target==eval(placeholder)&&e.target.value.length>=maxlength){ var pressedkey=/[a-zA-Z0-9\.\,\/]/ //detect alphanumeric keys if (pressedkey.test(String.fromCharCode(e.which))) e.stopPropagation() } } function countlimit(maxlength,e,placeholder){ var theform=eval(placeholder) var lengthleft=maxlength-theform.value.length var placeholderobj=document.all? document.all[placeholder] : document.getElementById(placeholder) if (window.event||e.target&&e.target==eval(placeholder)){ if (lengthleft<0) theform.value=theform.value.substring(0,maxlength) placeholderobj.innerHTML=lengthleft } } function displaylimit(theform,thelimit){ var limit_text=''+thelimit+' characters remaining.' if (document.all||ns6) document.write(limit_text) if (document.all){ eval(theform).onkeypress=function(){ return restrictinput(thelimit,event,theform)} eval(theform).onkeyup=function(){ countlimit(thelimit,event,theform)} } else if (ns6){ document.body.addEventListener('keypress', function(event) { restrictinput(thelimit,event,theform) }, true); document.body.addEventListener('keyup', function(event) { countlimit(thelimit,event,theform) }, true); } } function getAmortization(a,n,p,d) { var i=0; var sATline=""; var oAmortizationTable=document.getElementById("amortizationtable"); oAmortizationTable.style.visibility="visible"; var sCR=String.fromCharCode(13); var sTab=String.fromCharCode(27); /* Calculate amortization and write table to text area **/ var payment = getPayment(a,n,p,d); oAmortizationTable.value = sCR + (Math.round(payment*100)/100) + sCR + sCR; //oAmortizationTable.value += "Month Balance Principal Interest Payment Total Interest" + sCR; var balance=a - d; var interest = 0.0; var principal=0.0; var totalinterest=0.0; for (i=1;i<=n;i++) { interest = balance*p/1200; totalinterest += interest; principal = payment-interest; balance -= principal; sATline = i.toString()+getSpaces(7-i.toString().length); sATline += Math.round(balance*100)/100; sATline += getSpaces(18-sATline.length); sATline += (Math.round(principal*100)/100); sATline += getSpaces(29-sATline.length); sATline += (Math.round(interest*100)/100); sATline += getSpaces(39-sATline.length); sATline += (Math.round(i*payment*100)/100); sATline += getSpaces(50-sATline.length); sATline += (Math.round(totalinterest*100)/100) + sCR; //oAmortizationTable.value += sATline; } } function getSpaces(n) { var i=0; var sSpaces=""; for (i=0;i