function calc(form)  {
	form.sharpe1.value = (Math.round(100*(form.expreturn1.value - form.rfr1.value) / form.stdev1.value ) / 100 );
	form.sharpe2.value = (Math.round(100*(form.expreturn2.value - form.rfr2.value) / form.stdev2.value ) / 100 );


} 

function ClearForm(form)  {
	form.sharpe1.value = "";
	form.expreturn1.value = "";
	form.rfr1.value = "";
	form.stdev1.value = "";
	form.sharpe2.value = "";
	form.expreturn2.value = "";
	form.rfr2.value = "";
	form.stdev2.value = "";
}