function myBack(n) { if(navigator.appVersion.charAt(0) <=2 && navigator.appName.charAt(0) == "N") { t = new Date() t = t.getTime(); t += ""; t = t.substring(t.length-3,t.length); t = eval(t)/1000 t = Math.floor(t*n) return t } else { t = Math.floor(Math.random()*n) return t } } var imgMax =20 var backimage = new Array() backimage[0] = "picture/back1.gif" backimage[1] = "picture/back33.gif" backimage[2] = "picture/back34.gif" backimage[3] = "picture/back35.gif" backimage[4] = "picture/back36.gif" backimage[5] = "picture/back37.gif" backimage[6] = "picture/back2.gif" backimage[7] = "picture/back3.gif" backimage[8] = "picture/back4.gif" backimage[9] = "picture/back7.gif" backimage[10] = "picture/back9.gif" backimage[11] = "picture/back10.gif" backimage[12] = "picture/back12.gif" backimage[13] = "picture/back15.gif" backimage[14] = "picture/back17.gif" backimage[15] = "picture/back20.gif" backimage[16] = "picture/back24.gif" backimage[17] = "picture/back28.gif" backimage[18] = "picture/back40.gif" backimage[19] = "picture/back41.gif" var img = myBack(imgMax); document.write("")