$(document).ready(function(){		
		
	   $("#extra").css("display","none");		
	   $("#checkme").click(function(){		
			if ($("#checkme").is(":checked"))
			{			
				$("#extra").show("fast");
			}
			else
			{	  		
				$("#extra").hide("fast");
			}
		  });
		  
		  
		  
		$("#calculate").click(function(){		
			calc1()
			$("#result1").show("fast");
		  });
		  
		$("#calculate2").click(function(){		
			calc2()
			$("#paymentfields").show("fast");
		  });	
	});
		
		function calc1()
		{
		
			var result = document.getElementById("result");			
			if(document.getElementById("wages2").value == "")
			{
				//single
				var ammount = 0;
				var wage = document.getElementById("wages").value;
				ammount = wage*5.1;
				document.getElementById("ammount").value =  Math.round(ammount);
				document.getElementById("wages").value = "";
			}
			else
			{
				//joint
				var ammount = 0;
				var wage1 = document.getElementById("wages").value;
				var wage2 = document.getElementById("wages2").value;
				var wage = parseInt(wage1)+parseInt(wage2);
				ammount = wage*4.3;
				document.getElementById("ammount").value = Math.round(ammount);
				//document.getElementById("wages2").value = "";
				//document.getElementById("wages").value = "";
			}
		}
		
		function calc2()
		{
			var paymentfield = document.getElementById("paymentfield");
			var n = 0;//n = months
			var L = 0;//L = loan amount
			var r = 0;// r = interest rate per year
			var P = 0;//P = monthly payment
			var w = 0;//w = wages
			
			//w = document.getElementById("wages").value;
			//L = w * 3.5;
			L = document.getElementById("ammount").value;
			
			n = document.getElementById("years").value;
			n = n*12;
			r = document.getElementById("interest").value;
			
			var i = 1 + r /1200
			var i2 = Math.pow(i,n);
			P = (L * r * i2)/(1200*(i2-1))
			var intonly = (L*(r/100))/12
			document.getElementById("payment").value =  Math.round(P);
			document.getElementById("intpayment").value =  Math.round(intonly);
			//document.getElementById("ammount").value =  L;		
		}
		
	function detecttype(type)
	{
		//type = document.getElementById("type").value;
		
		var single = document.getElementById("single")
		var joint = document.getElementById("joint")
		//if(type == "single")
		if(type == 1)
		{
			$("#extra").hide("fast");
			document.getElementById("wages2").value = "";
			
		}
		else if(type == 2)
		{
			$("#extra").show("fast");
			
		}	
	}