$().ready(function(){
	productCropCheckScroll();
});

function productCropCheckScroll(){
	if ($("#iProductCrop").length > 0) {
		productCropDiv = "#iProductCrop";
	} else {
		productCropDiv = "#productCrop";
	}
	if ($.browser.msie) {
		cellWidth = $(productCropDiv+" .cropContent td").css("width").replace("px", "");
		$(productCropDiv + " .cropContent td.imgCell").append('<br><img src="/images_gl/spacer.gif" width="'+cellWidth+'" height="1" />');
	}
	
	cropWidth = $(productCropDiv).width();
	contentWidth = $(productCropDiv+" .cropContent table").width();
	
	if (contentWidth > cropWidth) {
		if ($(productCropDiv+" .cropContent .prevScroll").length == 0) {
			$(productCropDiv+" .cropContent").append('<a href="#" onclick="cropScroll(-1); return false;" class="prevScroll" title="scroll back">&lt;</a><a href="#" class="nextScroll" onclick="cropScroll(1); return false;" title="scroll forward">&gt;</a>');
		}
		$(productCropDiv+" .cropContent .nextScroll").css({ "visibility" : "visible" });
	}
}
function cropScroll(wDir){
	if ($("#iProductCrop").length > 0) {
		productCropDiv = "#iProductCrop";
	} else {
		productCropDiv = "#productCrop";
	}
	cropWidth = $(productCropDiv).width();
	contentWidth = $(productCropDiv+" .cropContent table").width();
	cellWidth = $(productCropDiv+" .cropContent td").outerWidth();
	numCells = Math.ceil((contentWidth-cropWidth)/cellWidth);
	currIndex = (0 - Math.ceil($(productCropDiv+" .cropContent table").css("marginLeft").replace("px", "")/cellWidth));
	if (wDir == 1) {
		if (currIndex < numCells) {
			$(productCropDiv+" .cropContent table").animate({ marginLeft: 0-((currIndex+1)*cellWidth) },400);
			newIndex = currIndex+1;
		}
	} else {
		if (currIndex > 0) {
			$(productCropDiv+" .cropContent table").animate({ marginLeft: 0-((currIndex-1)*cellWidth) },400);
			newIndex = currIndex-1;
		}
	}
	if (newIndex < numCells) {
		$(productCropDiv+" .cropContent .nextScroll").css({ "visibility" : "visible" });
	} else {
		$(productCropDiv+" .cropContent .nextScroll").css({ "visibility" : "hidden" });
	}
	if (newIndex > 0) {
		$(productCropDiv+" .cropContent .prevScroll").css({ "visibility" : "visible" });
	} else {
		$(productCropDiv+" .cropContent .prevScroll").css({ "visibility" : "hidden" });
	}
}

function updateProductCrop(){
	loadProductCrop('productCrop', cropCurrFilter, cropCurrSortBy);
}

function loadProductCrop(cropParentDiv, wFilter, wSortBy){
	var query = "sortby=" + wSortBy + '&filter=' + wFilter;
	
	$("#"+cropParentDiv+" .loading").show();
	$.get("/common_gl/inc_product_crop.php", query, function(data){
		$("#"+cropParentDiv+" .cropContent").html(data);
		$("#"+cropParentDiv+" .loading").hide();
		$("#"+cropParentDiv+" .menu a").removeClass('sel');
		$("#"+cropParentDiv+" .menu a."+wSortBy).addClass('sel');
		productCropCheckScroll();
	});
}