function calculateCOL()
{
	var s = document.getElementById("sourcePlace").value;
	var t = document.getElementById("targetPlace").value;
	var as = document.getElementById("convertAmount").value;
	as = as.replace(/,/g,"");
	as = as.replace(/\$/g,"");
	as = as.replace(/-/g,"");
	a = parseInt(as);
	var r = t/s;
	a = Math.round(a * r);
	document.getElementById("colResult").innerHTML = "$" + a;
}