$(document).ready(function(){
	$('#SubcategoryID').change(function() {
		var t=$(this).val();
		$('#colour').load('/includes/ajx/c?t='+t);
		$('#size').load('/includes/ajx/s?t='+t);
		});
	$('#colour').change(function() {
		var t=$('#SubcategoryID').val();
		var c=$(this).val();
		$('#size').load('/includes/ajx/s?t='+t+'&c='+c);
 	    });
	});