Алексей

<?php if ($categories) : ?>
    <div class="list">
		<ul><li>
		<?php 
		$cols = 2;  // число колонок
		$view = ceil( count($categories) / $cols );
		$counter = 0;
		foreach ($categories as $category) : ?>
			<div>
				<a href="<?php echo $category['href']; ?>">
					<img src="<?php echo $category['thumb']; ?>" title="<?php echo $category['name']; ?>" alt="<?php echo $category['name']; ?>" />
					<span><?php echo $category['name']; ?></span>
				</a>
			</div>
			<?php 
				$counter++;
				if( $counter == $view) { 
					echo "</li><li>";
					$counter = 0;
			?>
		<?php endforeach; ?>
		</li></ul>
    </div>
<?php endif; ?>

$(".selector").change(function() {
    operation = true;
  })

if (operation == false) {
    $("#int0").click(function() {
        console.log("Операція == : " + operation);
        console.log("number1");
      })
  } else if (operation == true) {
    $("#int0").click(function() {
      console.log("number2");
    })
  }

var operation = false,
	operationChange = function(){
		if (operation){
			$("#int0").click(function() {
				console.log("Операція == : " + operation);
				console.log("number1");
			  });
		} else {
			$("#int0").click(function() {
				console.log("number2");
			});
		}		
	};
	
$(".selector").change(function() {
	operation = ! operation;
	operationChange();
});
operationChange();