var r_text = new Array ();
r_text[0] = "random text 1";
r_text[1] = "random text 2";
r_text[2] = "random text 3";
r_text[3] = "random text 4";
r_text[4] = "random text 5";
r_text[5] = "random text 6";
r_text[6] = "random text 7";
r_text[7] = "random text 8";
r_text[8] = "random text 9";
r_text[9] = "random text 10";
var i = Math.floor((r_text.length)*Math.random())