var pics = new Array(); // the array for the image URLs
var time = 6000; // this is in milliseconds, so multiply your seconds needed by 1000

// just put the URL to the image inside the quotation marks. To add a new image, just add another pics.push("") line
pics.push("images/RMAJ/RMJ- Physics.jpg");
pics.push("images/RMAJ/RMJ- plant parts.jpg");
pics.push("images/RMAJ/RMJ-marble maze.jpg");
pics.push("images/RMAJ/RMJ-marble maze2.jpg");
pics.push("images/RMAJ/RMJ-marble maze3.jpg");