//------------------------------------------------------------------------------------------------------------------------
// menu functions
function toggleMenu(varMenu, varShow) {
	closeSubMenu();
	closeMenu();
	if (varShow) {toggleDisplay(String(varMenu), true);} else {toggleDisplay(String(varMenu), false);}
}

function closeMenu() {for (i=0; i<eval(MenuList.length);i++) {toggleDisplay(String(MenuList[i]), false);}}
function closeSubMenu() {for (i=0; i<eval(SubMenuList.length);i++) {toggleDisplay(String(SubMenuList[i]), false);}}
function closeAllMenu() {closeSubMenu();closeMenu();}

//------------------------------------------------------------------------------------------------------------------------
// shows or hides a designated DOM object
function toggleDisplay(varObj, varShow) {
	objDom = $(String(varObj));
	if (varShow) {objDom.style.display = "block";} else {objDom.style.display = "none";}
}

//------------------------------------------------------------------------------------------------------------------------
// grab rates via ajax call (replace rates.htm with dynamic file to get actual rates)
function getRates() {
	var url = "/resources/fragments/rates.htm?="+Math.random()*1000000;
	var ajax = new Ajax.Updater('ratesContainer', url, {method:'get'});
}

//------------------------------------------------------------------------------------------------------------------------
// determines if a string passed to the function is a number
function isInteger(s) {
	var i;
    for (i = 0; i < s.length; i++){
		var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    return true;
}

//------------------------------------------------------------------------------------------------------------------------
// launches a new window with the desired properties
function newWindow(mypage, myname, w, h, scroll) {
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',toolbar=no,status=no,scrollbars='+scroll+',resizable=yes'
	win = window.open(mypage, myname, winprops)
	win.window.focus();
}

//------------------------------------------------------------------------------------------------------------------------
// correctly handle PNG transparency in Win IE 5.5 & 6.
function correctPNG() {
   var arVersion = navigator.appVersion.split("MSIE");
   var version = parseFloat(arVersion[1]);
   
   if ((version >= 5.5) && (document.body.filters)) {
      for(var i=0;i<document.images.length;i++) {
         var img = document.images[i];
         var imgName = img.src.toUpperCase();
         if (imgName.substring(imgName.length-3, imgName.length) == "PNG") {
            var imgID = (img.id) ? "id='" + img.id + "' " : ""
            var imgClass = (img.className) ? "class='" + img.className + "' " : ""
            var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
            var imgStyle = "display:inline-block;" + img.style.cssText 
            if (img.align == "left") imgStyle = "float:left;" + imgStyle
            if (img.align == "right") imgStyle = "float:right;" + imgStyle
            if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
            var strNewHTML = "<span " + imgID + imgClass + imgTitle
            + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
            + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
            + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" ;
            img.outerHTML = strNewHTML;
            i = i-1;
         }
      }
   }

}

function floor(number)
{
  return Math.floor(number*Math.pow(10,2))/Math.pow(10,2);
}

function dosum()
{
  var mi = document.forms["temps"].IR.value / 1200;
  var base = 1;
  var mbase = 1 + mi;
  for (i=0; i<document.temps.YR.value * 12; i++)
  {
    base = base * mbase
  }
  document.temps.PI.value = floor(document.temps.LA.value * mi / ( 1 - (1/base)))
  document.temps.MT.value = floor(document.temps.AT.value / 12)
  document.temps.MI.value = floor(document.temps.AI.value / 12)
  var dasum = document.temps.LA.value * mi / ( 1 - (1/base)) +
        document.temps.AT.value / 12 + 
        document.temps.AI.value / 12;
  document.temps.MP.value = floor(dasum);
}


function checkNumber(input, min, max, msg) {
msg = msg + " field has invalid data: " + input.value;
var str = input.value;
for (var i = 0; i < str.length; i++) {
var ch = str.substring(i, i + 1)
if ((ch < "0" || "9" < ch) && ch != '.') {
alert(msg);
return false;
      }
   }
var num = parseFloat(str)
if (num < min || max < num) {
alert(msg + " not in range [" + min + ".." + max + "]");
return false;
   }
input.value = str;
return true;
}
function computeField(input) {
if (input.value != null && input.value.length != 0)
input.value = "" + eval(input.value);
computeForm(input.form);
}
function computeForm(form) {
if ((form.payments.value == null || form.payments.value.length == 0) ||
(form.interest.value == null || form.interest.value.length == 0) ||
(form.principal.value == null || form.principal.value.length == 0)) {
return;
}
if (!checkNumber(form.payments, 1, 480, "# of payments") ||
!checkNumber(form.interest, .001, 99, "Interest") ||
!checkNumber(form.principal, 100, 10000000, "Principal")) {
form.payment.value = "Invalid";
return;
}
var i = form.interest.value;
if (i > 1.0) {
i = i / 100.0;
form.interest.value = i;
}
i /= 12;
var pow = 1;
for (var j = 0; j < form.payments.value; j++)
pow = pow * (1 + i);
money = "" + .01* Math.round(100*(form.principal.value * pow * i) / (pow - 1));
dec = money.indexOf(".");
dollars = money.substring(0,dec); 
cents = money.substring(dec+1,dec+3);
cents = (cents.length < 2) ? cents + "0" : cents;
money = dollars + "." + cents;
form.payment.value = money;
}
function clearForm(form) {
form.payments.value = "";
form.interest.value = "";
form.principal.value = "";
}


function MM_popupMsg(msg) { //v1.0
  alert(msg);
}

function round(num) {
amount = Math.round(num*Math.pow(10,2))/Math.pow(10,2);
amount -= 0;
// .99 cent format courtsey of Martin Webb
return (amount == Math.floor(amount)) ? amount + '.00' : ( (amount*10 == Math.floor(amount*10)) ? amount + '0' : amount);
}

function dectable() {
windowprops = 'personalbar=no,toolbar=no,' +
'status=no,scrollbars=yes,location=no,' +
'resizable=yes,menubar=no,width=340,height=400';
decimalWin=window.open('', 'table', windowprops);

text = "<html><body><table width=300 cellpadding=0 cellspacing=1>";
text += "<tr><td bgcolor='#333366' align=center><font face='arial";
text += ",helvetica' size=2 color='#ffffff'><b>Fractional Price</";
text += "b></font></td><td bgcolor='#333366' align=center><font f";
text += "ace='arial,helvetica' size=2 color='#ffffff'><b>Dollar E";
text += "quivalent</b></font></td></tr><tr align=center><td align";
text += "=center><font face='arial,helvetica' size=2>1/32<br>1/16";
text += "<br>3/32<br>1/8<br>5/32<br>3/16<br>7/32<br>1/4<br>9/32<b";
text += "r>5/16<br>11/32<br>3/8<br>13/32<br>7/16<br>15/32<br>1/2<";
text += "br>17/32<br>9/16<br>19/32<br>5/8<br>21/32<br>11/16<br>23";
text += "/32<br>3/4<br>25/32<br>13/16<br>27/32<br>7/8<br>29/32<br";
text += ">15/16<br>31/32<br>1</td><td align=center><font face='ar";
text += "ial,helvetica' size=2>$0.03125<br>$0.06250<br>$0.09375<b";
text += "r>$0.12500<br>$0.15625<br>$0.18750<br>$0.21875<br>$0.250";
text += "00<br>$0.28125<br>$0.31250<br>$0.34375<br>$0.37500<br>$0";
text += ".40625<br>$0.43750<br>$0.46875<br>$0.50000<br>$0.53125<b";
text += "r>$0.56250<br>$0.59375<br>$0.62500<br>$0.65625<br>$0.687";
text += "50<br>$0.71875<br>$0.75000<br>$0.78125<br>$0.81250<br>$0";
text += ".84375<br>$0.87500<br>$0.90625<br>$0.93750<br>$0.96875<b";
text += "r>$1.00000</td></tr></table></body></html>";

decimalWin.document.open();
decimalWin.document.writeln(text);
decimalWin.document.close();
}

function stocks(form) {
shares = form.shares.value * 1;

buyprice = form.buyprice.value * 1;
buycomm = form.buycomm.value * 1;

sellprice = form.sellprice.value * 1;
sellcomm = form.sellcomm.value * 1;

bought = round(parseFloat(shares * buyprice) + buycomm); // price for purchase
sold = round(parseFloat(shares * sellprice) - sellcomm); // price sold for
result = round(sold - bought);

form.buycost.value  = "$ " + bought;
form.sellcost.value = "$ " + sold;
form.result.value = "$ " + result;
}

function dosum()
{
  var mi = document.temps.IR.value / 1200;
  var base = 1;
  var mbase = 1 + mi;
  for (i=0; i<document.temps.YR.value * 12; i++)
  {
    base = base * mbase
  }
  document.temps.PI.value = floor(document.temps.LA.value * mi / ( 1 - (1/base)))
  document.temps.MT.value = floor(document.temps.AT.value / 12)
  document.temps.MI.value = floor(document.temps.AI.value / 12)
  var dasum = document.temps.LA.value * mi / ( 1 - (1/base)) +
        document.temps.AT.value / 12 + 
        document.temps.AI.value / 12;
  document.temps.MP.value = floor(dasum);
}


function checkNumber(input, min, max, msg) {
msg = msg + " field has invalid data: " + input.value;
var str = input.value;
for (var i = 0; i < str.length; i++) {
var ch = str.substring(i, i + 1)
if ((ch < "0" || "9" < ch) && ch != '.') {
alert(msg);
return false;
      }
   }
var num = parseFloat(str)
if (num < min || max < num) {
alert(msg + " not in range [" + min + ".." + max + "]");
return false;
   }
input.value = str;
return true;
}
function computeField(input) {
if (input.value != null && input.value.length != 0)
input.value = "" + eval(input.value);
computeForm(input.form);
}
function computeForm(form) {
if ((form.payments.value == null || form.payments.value.length == 0) ||
(form.interest.value == null || form.interest.value.length == 0) ||
(form.principal.value == null || form.principal.value.length == 0)) {
return;
}
if (!checkNumber(form.payments, 1, 480, "# of payments") ||
!checkNumber(form.interest, .001, 99, "Interest") ||
!checkNumber(form.principal, 100, 10000000, "Principal")) {
form.payment.value = "Invalid";
return;
}
var i = form.interest.value;
if (i > 1.0) {
i = i / 100.0;
form.interest.value = i;
}
i /= 12;
var pow = 1;
for (var j = 0; j < form.payments.value; j++)
pow = pow * (1 + i);
money = "" + .01* Math.round(100*(form.principal.value * pow * i) / (pow - 1));
dec = money.indexOf(".");
dollars = money.substring(0,dec); 
cents = money.substring(dec+1,dec+3);
cents = (cents.length < 2) ? cents + "0" : cents;
money = dollars + "." + cents;
form.payment.value = money;
}
function clearForm(form) {
form.payments.value = "";
form.interest.value = "";
form.principal.value = "";
}

<!-- Begin
var i = 0; // interest
var m = 0; // months
var f = 0; // factor
var den = 0; 
var s = "0"; // string
var d = 0; // decimal place
function CalcA() {
if(document.calform.interest.value=="" || document.calform.months.value=="" || document.calform.payment.value=="") {
alert("Please fill in all of the required fields.");
}
else { 
if(document.calform.period.options[1].selected == true) {
m = document.calform.months.value * 12;
}
else {
m = document.calform.months.value;
} 
i = Math.pow(((document.calform.interest.value/100)+1),.0833333)-1;
den = i / (i+1);
f = Math.pow((i+1),m)-1;
f /= den;
f *= document.calform.payment.value;
d = String(f).indexOf(".");
s = String(f).substring(0,(d+3));
document.calform.total.value = "$" + s;  
   }
}
//  End -->

//----------------------------------------------------------------------------------------------------------------------------------------------
// run time code 
var MenuList = new Array("personal","business");
var SubMenuList = new Array("persServices", "persDemos", "busServices","busDemos");

window.attachEvent("onload", correctPNG);