/* 表示位置固定
----------------------------------------------- */
window.onresize = function() { positioning(); }
window.onload = function() { positioning(); }

function positioning() {
	try{
		var nv = navigator.userAgent;
		var bt = document.getElementById("crack");
		if (nv.match(new RegExp("MSIE 6", "i"))) { floatbt(); }
		else {
			bt.style.position = "fixed";
			bt.style.left = (document.body.offsetWidth / 2) + 450 + "px";
			bt.style.bottom = "122px";
		}
	}
	catch(e){}
}
function floatbt() {
	var bt = document.getElementById("crack");
	bt.style.position = "absolute";
	bt.style.left = (document.body.offsetWidth / 2) + 440 + "px";
	bt.style.top = document.body.offsetHeight + document.body.scrollTop - 535 + "px";
	setTimeout("floatbt()", 10);
}


/* JQuery
----------------------------------------------- */
$(document).ready(function() {

	// pagetop
	$("#pagetop").click(function() {
		var targetOffset = $("#container").offset().top;
		$("html,body").animate({scrollTop: targetOffset}, 1000);
		return false;
	});
	
});