function showCoordinatePicker ()
{
	content = '/maps/pick_coords.php';
	sizeX   = 600;
	sizeY   = 700;

	//	Center the window
	leftpos	= (screen.width)  ? (screen.width-sizeX)/2 : 100;
	toppos	= (screen.height) ? (screen.height-sizeY)/2 : 100;

	//	Define the window size
	widthVar  = 'width=' + sizeX + ',';
	heightVar = 'height=' + sizeY + ',';
	
	//	Open the window
	winobject    = window.open(content,"_new","menubar=0,statusbar=no,scrollbars=1,toolbar=0,location=0," + widthVar + heightVar + "left=" + leftpos + ",top=" + toppos + ",resizable=0" );
	winobject.focus();

}