CODE FOR FUNCTION EFFECT

<script language="JavaScript">

<!--

// Function to calculate Effective Rate of Interest

function effect(rate, npery)

{

npery = parseInt(npery);

if (( npery == 0 ) || ( rate == 0 )){

alert("Why do you want to test me with zeros?");

return(0);

}

rate = eval((rate)/(100));

effect_value = ((Math.pow(1 + (rate/npery), npery)) - 1) * 100;

effect_value = conv_number(effect_value,2);

return (effect_value);

}

function conv_number(expr, decplaces)

{ // This function is from David Goodman's Javascript Bible.

var str = "" + Math.round(eval(expr) * Math.pow(10,decplaces));

while (str.length <= decplaces) {

str = "0" + str;

}

var decpoint = str.length - decplaces;

return (str.substring(0,decpoint) + "." + str.substring(decpoint,str.length));

}

// --></script>