var ShowRandomTextBlock = function() 
 { 
   var blocks = new Array(); 
   function DoIt() 
   { 
     var d = document.getElementById('featured_testimonials').getElementsByTagName('div'); 
     for (var x=0, y=d.length; x < y; x++) { 
       // capture the divs with the right class name 
       if (d[x].className == 'textspot') { blocks.push(d[x]); } 
     } 
     // find random number 
     var spot = Math.floor(Math.random() * blocks.length); 
     // Set whether each div block should be seen or not 
     for (var x=0, y=blocks.length; x < y; x++) { 
       if (spot == x) { blocks[x].style.display = ''; } 
       else { blocks[x].style.display = 'none'; } 
     } 
   } 
   window.onload = DoIt; 
 }();