<!-- Begin
function computeamount(h,a,t){  
h = document.frm.h.value  
a = document.frm.a.value  
t = document.frm.t.value  
document.frm.result1.value=eval(a*Math.exp((Math.log(0.5)/h)*t));  
document.frm.result2.value=eval((document.frm.result1.value/a)*100);    
}
// End -->