function cmpdInt(form) {
	var cPr = parseFloat(form.cPrin.value);
	var con = parseFloat(form.contribution.value);
	var yrs = parseFloat(form.years.value);
	var iRate = parseFloat(form.iRate.value);
	var fV = 0;
	var cFreq = 0;
	if (form.cmpFreq.value == "monthly") {
		cFreq = 12;
	} else {
		cFreq = 1;
	}
	var r = iRate/(cFreq*100);
	var ti = yrs*cFreq;
	con = con/cFreq;

	fV = cPr * Math.pow(1+r, ti) + con*((Math.pow(1+r, ti+1) - (1+r))/r);
	
	form.futureValue.value = fV.toFixed(2);
	
	
}