<!--//-- Generate a random number between 0 and max.  function randomNum(max) {    var rNum="NaN"    while (isNaN(rNum)) {      rNum=Math.floor(Math.random()*(max))    }    return rNum  }//Rotate PR Images with Unique URLs    var myPICS = new Array()    myPICS[0]="js/images/ext1.jpg"    myPICS[1]="js/images/ext2.jpg"    myPICS[2]="js/images/ext3.jpg"    myPICS[3]="js/images/ext4.jpg"    myPICS[4]="js/images/ext5.jpg"    myPICS[5]="js/images/ext6.jpg"    myPICS[6]="js/images/ext7.jpg"    myPICS[7]="js/images/ext8.jpg"    myPICS[8]="js/images/ext9.jpg"    myPICS[9]="js/images/ext10.jpg"    myPICS[10]="js/images/ext11.jpg"    var myLink = new Array()    myLink[0] = "previousphotos.html"    myLink[1] = "previousphotos.html"    myLink[2] = "previousphotos.html"    myLink[3] = "previousphotos.html"    myLink[4] = "previousphotos.html"    myLink[5] = "previousphotos.html"    myLink[6] = "previousphotos.html"    myLink[7] = "previousphotos.html"    myLink[8] = "previousphotos.html"    myLink[9] = "previousphotos.html"    myLink[10] = "previousphotos.html"        var myAlt = new Array()    myAlt[0] = "Wood Science"    myAlt[1] = "Wood Science"    myAlt[2] = "Calculating Log Dimensions"    myAlt[3] = "Wood Science"    myAlt[4] = "Wood Science"    myAlt[5] = "Wood Science"    myAlt[6] = "Wood Science"    myAlt[7] = "Watching a Pallet Break Under Stress"    myAlt[8] = "Learning How to Make Paper"    myAlt[9] = "Wood Science"    myAlt[10] = "Wood Science"    //randomNum has been defined    var myRand = randomNum(myPICS.length)    var //picsLine = "<a href='" + myLink[myRand] + "'>"    picsLine = "<img border=0 src='"  + myPICS[myRand] + "' "    picsLine += "alt='" + myAlt[myRand] + "' "    picsLine += "width=214 height=177>"    //-->