var sections = new Array();
sections[0] = "
";
sections[1] = "
";
sections[2] = "
";
sections[3] = "
";
sections[4] = "
";
sections[5] = "
";
sections[6] = "
";
sections[7] = "
";
sections[8] = "
";
sections[9] = "
";
sections[10] = "
";
sections[11] = "
";
sections[12] = "
";
sections[13] = "
";
sections[14] = "
";
sections[15] = "
";
sections[16] = "
";
sections[17] = "
";
sections[18] = "
";
/**
Returns an integer value between minValue and maxValue.
*/
function getRandomInRange(minValue, maxValue)
{
return Math.floor((Math.random() * maxValue) + minValue);
}
/**
Creates a $ConferenceAds array with $limit items from $sections.
@param limit An integer specifying how many images to retrieve
*/
function getConferenceAds(limit)
{
var ConferenceAds = new Array();
var usedNumbers = new Array();
var currentNumber;
mainLoop:
while (ConferenceAds.length < limit)
{
currentNumber = getRandomInRange(0, sections.length);
// if the chosen number has already been used, try again
for (i = 0; i < usedNumbers.length; i++)
{
if (currentNumber == usedNumbers[i])
{
continue mainLoop;
}
}
// if execution has gotten to this point, our currentNumber is unique
/*
Note that usedNumbers.length will always be the index at which we
want to insert our next value! If usedNumbers is empty,
usedNumbers.length is 0. This means we can use it in place of a
counter variable.
*/
ConferenceAds[usedNumbers.length] = sections[currentNumber];
usedNumbers[usedNumbers.length] = currentNumber;
}
// now that ConferenceAds.length == limit, we can just return ConferenceAds all filled
return ConferenceAds;
}