function letterbox1() {
 alert ("LETTERBOX 1\nLetterboxing and cropping effect\n* * * * * * * * * * * * * * * * * * * *\nLetterbox1.cf\n--> 3 Inputs with Y axis location\n--> and controls for cropping\nLetterbox2.cf\n--> 3 Inputs with X axis location\n--> and controls for cropping\nRollframe.cf\n--> letterbox or rolling frame effect");
}