var imagenumber = 50;
var randomnumber = Math.random() ;
var randomnumber2 = Math.random() ;
var randomnumber3 = Math.random() ;

var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;
var rand2 = Math.round( (imagenumber-1) * randomnumber2) + 1 ;
var rand3 = Math.round( (imagenumber-1) * randomnumber3) + 1 ;

images = new Array
images[1] = "m1.jpg"
images[2] = "m2.jpg"
images[3] = "m3.jpg"
images[4] = "m4.jpg"
images[5] = "m5.jpg"
images[6] = "m6.jpg"
images[7] = "m7.jpg"
images[8] = "m8.jpg"
images[9] = "m9.jpg"
images[10] = "m10.jpg"
images[11] = "m11.jpg"
images[12] = "m12.jpg"
images[13] = "m13.jpg"
images[14] = "m14.jpg"
images[15] = "m15.jpg"
images[16] = "m16.jpg"
images[17] = "m17.jpg"
images[18] = "m18.jpg"
images[19] = "m19.jpg"
images[20] = "m20.jpg"
images[21] = "m21.jpg"
images[22] = "m22.jpg"
images[23] = "m23.jpg"
images[24] = "m24.jpg"
images[25] = "m25.jpg"
images[26] = "m26.jpg"
images[27] = "m27.jpg"
images[28] = "m28.jpg"
images[29] = "m29.jpg"
images[30] = "m30.jpg"
images[31] = "m31.jpg"
images[32] = "m32.jpg"
images[33] = "m33.jpg"
images[34] = "m34.jpg"
images[35] = "m35.jpg"
images[36] = "m36.jpg"
images[37] = "m37.jpg"
images[38] = "m38.jpg"
images[39] = "m39.jpg"
images[40] = "m40.jpg"
images[41] = "m41.jpg"
images[42] = "m42.jpg"
images[43] = "m43.jpg"
images[44] = "m44.jpg"
images[45] = "m45.jpg"
images[46] = "m46.jpg"
images[47] = "m47.jpg"
images[48] = "m48.jpg"
images[49] = "m49.jpg"
images[50] = "m50.jpg"

images1 = new Array
images1[1] = "m1.jpg"
images1[2] = "m2.jpg"
images1[3] = "m3.jpg"
images1[4] = "m4.jpg"
images1[5] = "m5.jpg"
images1[6] = "m6.jpg"
images1[7] = "m7.jpg"
images1[8] = "m8.jpg"
images1[9] = "m9.jpg"
images1[10] = "m10.jpg"
images1[11] = "m11.jpg"
images1[12] = "m12.jpg"
images1[13] = "m13.jpg"
images1[14] = "m14.jpg"
images1[15] = "m15.jpg"
images1[16] = "m16.jpg"
images1[17] = "m17.jpg"
images1[18] = "m18.jpg"
images1[19] = "m19.jpg"
images1[20] = "m20.jpg"
images1[21] = "m21.jpg"
images1[22] = "m22.jpg"
images1[23] = "m23.jpg"
images1[24] = "m24.jpg"
images1[25] = "m25.jpg"
images1[26] = "m26.jpg"
images1[27] = "m27.jpg"
images1[28] = "m28.jpg"
images1[29] = "m29.jpg"
images1[30] = "m30.jpg"
images1[31] = "m31.jpg"
images1[32] = "m32.jpg"
images1[33] = "m33.jpg"
images1[34] = "m34.jpg"
images1[35] = "m35.jpg"
images1[36] = "m36.jpg"
images1[37] = "m37.jpg"
images1[38] = "m38.jpg"
images1[39] = "m39.jpg"
images1[40] = "m40.jpg"
images1[41] = "m41.jpg"
images1[42] = "m42.jpg"
images1[43] = "m43.jpg"
images1[44] = "m44.jpg"
images1[45] = "m45.jpg"
images1[46] = "m46.jpg"
images1[47] = "m47.jpg"
images1[48] = "m48.jpg"
images1[49] = "m49.jpg"
images1[50] = "m50.jpg"

images2 = new Array
images2[1] = "m1.jpg"
images2[2] = "m2.jpg"
images2[3] = "m3.jpg"
images2[4] = "m4.jpg"
images2[5] = "m5.jpg"
images2[6] = "m6.jpg"
images2[7] = "m7.jpg"
images2[8] = "m8.jpg"
images2[9] = "m9.jpg"
images2[10] = "m10.jpg"
images2[11] = "m11.jpg"
images2[12] = "m12.jpg"
images2[13] = "m13.jpg"
images2[14] = "m14.jpg"
images2[15] = "m15.jpg"
images2[16] = "m16.jpg"
images2[17] = "m17.jpg"
images2[18] = "m18.jpg"
images2[19] = "m19.jpg"
images2[20] = "m20.jpg"
images2[21] = "m21.jpg"
images2[22] = "m22.jpg"
images2[23] = "m23.jpg"
images2[24] = "m24.jpg"
images2[25] = "m25.jpg"
images2[26] = "m26.jpg"
images2[27] = "m27.jpg"
images2[28] = "m28.jpg"
images2[29] = "m29.jpg"
images2[30] = "m30.jpg"
images2[31] = "m31.jpg"
images2[32] = "m32.jpg"
images2[33] = "m33.jpg"
images2[34] = "m34.jpg"
images2[35] = "m35.jpg"
images2[36] = "m36.jpg"
images2[37] = "m37.jpg"
images2[38] = "m38.jpg"
images2[39] = "m39.jpg"
images2[40] = "m40.jpg"
images2[41] = "m41.jpg"
images2[42] = "m42.jpg"
images2[43] = "m43.jpg"
images2[44] = "m44.jpg"
images2[45] = "m45.jpg"
images2[46] = "m46.jpg"
images2[47] = "m47.jpg"
images2[48] = "m48.jpg"
images2[49] = "m49.jpg"
images2[50] = "m50.jpg"

var image = images[rand1]
var image1 = images1[rand2]
var image2 = images2[rand3]