/* ------------------------------------------
* Filename: jquery.skyscraper.js
------------------------------------------ */

var initSkyscraper = function(isInit){

	// get width - not necessary
	if (window.innerWidth) { theWidth=window.innerWidth; }
	else if (document.documentElement && document.documentElement.clientWidth) { theWidth = document.documentElement.clientWidth; }
	else if (document.body) { theWidth = document.body.clientWidth; }

	// get height - necessary
	if (window.innerHeight) { theHeight=window.innerHeight; }
	else if (document.documentElement && document.documentElement.clientHeight) { theHeight = document.documentElement.clientHeight; }
	else if (document.body) { theHeight = document.body.clientHeight; }

	var marginLeft = 470;
	var layerLeft = document.body.clientWidth / 2 + marginLeft;

	if(theHeight < 500) {
		marginTop = 40; // 화면이 작을때
	} else {
		// marginTop = theHeight - 400;
		marginTop = 337;
	}
	var currentTop = parseInt($("#skyscraper").css("top"));
	var animateTime = 500;

	if(isInit == 'true'){
		currentTop = marginTop;
	}

	// $("#skyscraper").attr("style", "position:absolute; top:" + marginTop + "px; left:" + layerLeft + "px;");
	$("#skyscraper").attr("style", "position:absolute; top:" + marginTop + "px;");

	$(window).scroll(function(){
		var position = $(window).scrollTop();
		$("#skyscraper").stop().animate({"top":position + currentTop + "px"}, animateTime);
	});

}