arr = new Array(
["<span>Regarding The Center; Thank you so much for believing in me and allowing me this opportunity for a new life!</span>"],
["<span>God is doing amazing things through Dr. Jantz and the staff at The Center. I will definitely be telling others about this place.</span>"],
["<span>Thank you for allowing me the opportunity to come here. I don't know if I would still be alive if I hadn't come.</span"]
// no comma at the end of last index 
);

var lasturl="0"; 
function completeimage(){   var randNum = getRand();
document.getElementById("arr").innerHTML = arr[randNum][0]; 
setTimeout('completeimage()',10000);  }  
function getRand () {   var rnum;   
var id=Math.round(Math.random()*(arr.length-1));  
 rnum = id;   if (rnum==lasturl) { rnum = getRand(); }   
lasturl=rnum;   return rnum;  }