function ChangeClass(id, className) {
	document.getElementById(id).className=className;
}

function SwapImage(imageUrl) {
	document.getElementById("ContnetBigPhoto").src = imageUrl;
}

function goto(form) { var index=form.select.selectedIndex
if (form.select.options[index].value != "0") {
location=form.select.options[index].value;}}

$(function() {
	$('#catalog_products').load('catalog_products.asp?cat_id='+$('#cat_id').text()+'&subc_id='+$('#subc_id').text()+'&product_id='+$('#product_id').text()).fadeIn(1000);
	var totalVal = parseInt($('#total_s').text());
	if (totalVal > 9) {
		$('#next_page').css('cursor', 'pointer');
	}
	else
	{
		$('#next_page').css('cursor', 'auto');
		$('#next_page').hide();
	}
	
	$('#pre_page').hide();
	
	var catId = $('#cat_id').text();
	var subId = $('#subc_id').text();
	var productId = $('#product_id').text();
	
	$('#next_page').click(function() {
		var nextVal = parseInt($('#startFrom').text());
		if ((nextVal+9) < totalVal) {
			$('#catalog_products').load('catalog_products.asp?s='+(nextVal+9)+'&cat_id='+catId+'&subc_id='+subId+'&product_id='+productId).fadeIn(1000);
			$('#startFrom').text(nextVal+9);
			$('#pre_page').show();
			$('#pre_page').css('cursor', 'pointer');
			if ((nextVal+18) > totalVal) {
				$('#next_page').css('cursor', 'auto');
				$('#next_page').hide();
			}
		}
	});
	
	$('#pre_page').click(function() {
		var preVal = parseInt($('#startFrom').text());
		if ((preVal-9) >= 0) {
			$('#catalog_products').load('catalog_products.asp?s='+(preVal-9)+'&cat_id='+catId+'&subc_id='+subId+'&product_id='+productId).fadeIn(1000);
			$('#startFrom').text(preVal-9);
			$('#next_page').show();
			$('#next_page').css('cursor', 'pointer');
			if ((preVal-18) < 0) {
				$('#pre_page').css('cursor', 'auto');
				$('#pre_page').hide();
			}
		}
	});
});