var boxes = new Array();
boxes[0] = ' | ';
boxes[1] = ' | ';
boxes[2] = ' | ';
boxes[3] = ' | ';
boxes[4] = ' | ';
boxes[5] = ' | ';
boxes[6] = ' | ';
boxes[7] = ' | ';
boxes[8] = ' | ';
boxes[9] = ' | ';
boxes[10] = ' | ';
boxes[11] = ' | ';
boxes[12] = ' | ';
boxes[13] = ' | ';
boxes[14] = ' | ';
boxes[15] = ' | ';
boxes[16] = ' | ';
boxes[17] = ' | ';
boxes[18] = ' | ';
boxes[19] = ' | ';
boxes[20] = ' | ';
boxes[21] = ' | ';
boxes[22] = ' | ';
boxes[23] = ' | ';
boxes[24] = ' | ';
boxes[25] = ' | ';
boxes[26] = ' | ';
boxes[27] = ' | ';
boxes[28] = ' | ';
/*boxes[29] = ' | ';*/
var numberofboxes = boxes.length;
function showBoxes(){
var outputBoxes = new Array();
var i=0;
while (i<3) // number of boxes required
{
var randomBox = Math.round(Math.random()*(numberofboxes-1));
outputBoxes[i] = boxes[randomBox];
if ((outputBoxes[i] != outputBoxes[i-1]) && (outputBoxes[i] != outputBoxes[i-2])) { // only up to '-2' as 3 boxes required
i++;
}
}
var i=0;
while (i<3) // number of boxes required
{
document.write(outputBoxes[i]);
i++;
}
}