imageArray = new Array();
index=0;
imageArray[index++] = ["1", "images/enter/board1.jpg"];
imageArray[index++] = ["2", "images/enter/floppy1.jpg"];
imageArray[index++] = ["3", "images/enter/board0.jpg"];
imageArray[index++] = ["4", "images/enter/Endconstruction1.jpg"];
imageArray[index++] = ["5", "images/enter/Freewayentrance1.jpg"];
imageArray[index++] = ["6", "images/enter/bridgesandroadway1.jpg"];
imageArray[index++] = ["7", "images/enter/microchip1.jpg"];
imageArray[index++] = ["8", "images/enter/Man1.jpg"];
imageArray[index++] = ["9", "images/enter/CDdrive1.jpg"];
imageArray[index++] = ["10", "images/enter/woman1.jpg"];
imageArray[index++] = ["11", "images/enter/tower_anim1.gif"];


// for num of images - 1
var images = imageArray.length-1;
var rand1 = Math.round(Math.random()*images);

randImageLink = imageArray[rand1][0];
randImage = imageArray[rand1][1];

document.write("<table width='600' height='527' cellpadding='0' cellspacing='0' border='0'><tr>")
document.write("<td>")
document.write("<div align='center'>")
document.write("<img src='" + randImage + "' />")
document.write("</div>")
document.write("</td></tr></table>")