function tipp(n) { var n; var Anzahl = 12; var isbn = new Array(); isbn[0] = ""; isbn[1] = "3980933601"; isbn[2] = "3939937010"; isbn[3] = "3980933628"; isbn[4] = "3980933636"; isbn[5] = "3980933660"; isbn[6] = "3980933679"; isbn[7] = "3980933687"; isbn[8] = "3980933695"; isbn[9] = "3939937002"; isbn[10] = "B000O6M7R4"; isbn[11] = "B000GSS3O6"; isbn[12] = "B000I4AQ8Y"; /* isbn[2] = "398093361X"; isbn[5] = "3980933644"; isbn[6] = "3980933652"; isbn[16] = "3939937029"; isbn[17] = "3939937037"; isbn[18] = "3877630111"; isbn[19] = "3462036971"; isbn[20] = "3455042856"; isbn[21] = "3827006244"; isbn[22] = "3801711463"; isbn[23] = "3621271481"; isbn[24] = "0747591059"; isbn[25] = "3103970226"; isbn[26] = "3596163609"; isbn[27] = "3608943668"; */ for (i=1; i < Anzahl+1; i++) { Zufallszahl = Math.round(Math.random() * (Anzahl - i) ) + 1; X = isbn[Anzahl + 1 -i]; isbn[Anzahl + 1 -i] = isbn[Zufallszahl]; isbn[Zufallszahl] = X; } for (i=1; i < n + 1; i++) { text = ''; text += '

'; document.write(text); } }