function emi_cal (loan, period, rate)
{
	rate = eval(rate) / 1200.0;
	period = eval(period);
	loan = eval(loan);	        
	rate2 = 1 + rate;
	pow = Math.pow(rate2, period);	
	emi = pow * loan * rate;	
	emi = emi / (pow - 1);	
	emi = (Math.round(emi*100))/100;		
	//alert("emi :" + emi);		
	return emi;
	
}