function makeGuide(axis, pLoc) {
	var sAxis = (axis == "X") ? "Vrtc" : "Hrzn";
	
	// =======================================================
	var id32 = charIDToTypeID( "Mk  " );
		var desc5 = new ActionDescriptor();
		var id33 = charIDToTypeID( "Nw  " );
			var desc6 = new ActionDescriptor();
			var id34 = charIDToTypeID( "Pstn" );
			var id35 = charIDToTypeID( "#Pxl" );
			desc6.putUnitDouble( id34, id35, pLoc );
			var id36 = charIDToTypeID( "Ornt" );
			var id37 = charIDToTypeID( "Ornt" );
			var id38 = charIDToTypeID( sAxis );
			desc6.putEnumerated( id36, id37, id38 );
		var id39 = charIDToTypeID( "Gd  " );
		desc5.putObject( id33, id39, desc6 );
	executeAction( id32, desc5, DialogModes.NO );
}