function product_sheet_view($pwhat) {
	var $arr = new Array('product_preload', 'product_data', 'product_data_2', 'product_description', 'product_tech_specs', 'product_package_contents', 'product_accessories', 'product_documents');
	var $i;
	var $obj;
	for ($i = 0; $i < $arr.length; $i++) {
		myjs_display_hide($arr[$i]);
		$obj = $arr[$i] + '_menu_item';
		myjs_class_unfreeze($obj);
		myjs_class_set($obj, 'menu_item');
	}
	myjs_display_show($pwhat);
	if ($pwhat != 'product_data') myjs_display_show('product_data_2');
	$obj = $pwhat + '_menu_item';
	myjs_class_set($obj, 'menu_item_selected');
	myjs_class_freeze($obj);
}
function cart_add_product($pform_name) {
	var $f = document.forms[$pform_name];
	var $q = parseInt($f['sc_quantity'].value);
	if ($q) $f.submit();
}
function cart_add_accessories() {
	var $f = document.forms['cart_add_acc'];
	$f.submit();
}

window.onresize = exhibox_onresize;
window.onscroll = exhibox_hide;