$j(document).ready(function() {
  $j("#main > ul > li").wrapInner('<span>');
});

function drawCircle(center, radius, nodes, liColor, liWidth, liOpa, fillColor, fillOpa)
{
	if (typeof circle != "undefined") {
		map.removeOverlay(circle);
	}
	var latConv = center.distanceFrom(new GLatLng(center.lat() + 0.1, center.lng())) / 100;
	var lngConv = center.distanceFrom(new GLatLng(center.lat(), center.lng() + 0.1)) / 100;

	//Loop 
	var points = [];
	var step = parseInt(360 / nodes) || 10;
	for(var i = 0; i <= 360; i += step) {
		var pint = new GLatLng(center.lat() + (radius/latConv * Math.cos(i * Math.PI/180)), center.lng() + (radius/lngConv * Math.sin(i * Math.PI/180)));
		points.push(pint);
	}
	points.push(points[0]);
	fillColor = fillColor || liColor || "#0055ff";
	liWidth = liWidth || 2;
	circle = new GPolygon(points, liColor, liWidth, liOpa, fillColor, fillOpa);
	map.addOverlay(circle);
}