function loan()
{
	for(var ea=1; ea<5; ea++){
		var c = eval("document.first.m"+ea).value;
		var n = c * 12;
		var a = eval("document.first.a"+ea).value;
		var b = eval("document.first.i"+ea).value;
		if(isNaN(a) || isNaN(b))
		{
			alert("Invalid number");
		}
		if(b>25)
		{
			alert("Interest rate should be below 25");
		}
		var r = b/(12*100);
		var p = (a * r *Math.pow((1+r),n))/(Math.pow((1+r),n)-1);
		var prin = Math.round(p*1000)/1000;
		eval("document.first.r"+ea).value=prin;
		var z=Math.round((a*r*1)*1000)/1000;
		var t=Math.round((p-z)*1000)/1000;
		eval("document.first.s"+ea).value=t;
		var w=Math.round((t*12)*1000)/1000;
		eval("document.first.d"+ea).value=w;
	}
}



function color(test)
{

	for(var j=2; j<10; j++)
	{
		var myI=document.getElementsByTagName("input").item(j);
		//myI.setAttribute("style",ch);
		myI.style.backgroundColor=test;
	}
}


function color1(test)
{
var myI=document.getElementsByTagName("table").item(0);
//myI.setAttribute("style",ch);
myI.style.backgroundColor=test;
}