function checnum(as)
{
	var dd = as.value;
	
	if(isNaN(dd))
	{
		dd = dd.substring(0,(dd.length-1));
		as.value = dd;
	}		
}

function save()
{
	var a = document.first.aa.value;
	var b = document.first.bb.value;
	var c = document.first.cc.value;
	var d = document.first.dd.value;
	var t = document.first.term.value;
	if(t == "month"){
		b = b * 12;
	}
	for(var i=0;i<d;i++){
	var r = (b * c)/100;
	//alert(r);
	var x = parseFloat(a) + parseFloat(b) + r;
	b=x;
	}
	document.first.r1.value = Math.round(x*100)/100;
	
}
	
		


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;
}