// 商品对比窗口
function _xScrollStick_init(){
	var compareWindow = document.getElementById("compareWindow");
	_xScrollStick_event_doInit(compareWindow);
	window_event_scroll();
}

function _xScrollStick_event_doInit(element){
	element.offX = element.offsetLeft;
	element.offY = element.offsetTop;
	
	element.Stick = _xScrollStick_method_Stick;
	
	switch(BROWERNAME){
		case "ns":
			window.addEventListener("scroll", window_event_scroll, false);
			break;
		case "ie":
		default:
			window.attachEvent("onscroll", window_event_scroll);
			break;
	}
	
	document.body.parentNode.onscroll = window_event_scroll;
}

function window_event_scroll(){
	var compareWindow = document.getElementById("compareWindow");
	compareWindow.Stick();
}

function _xScrollStick_method_Stick(){
	var y = this.offY;
	this.style.position = "absolute";
	y+=document.documentElement.scrollTop;
	this.style.top = y + "px";
}

function hideCompareList(){
	var compareList = document.getElementById("compareList");
	compareList.style.display = compareList.style.display == "none" ? "block" : "none";
}