// JavaScript Document
// smooth scroller
jQuery(function( $ ){
	/**
	 * Demo binding and preparation, no need to read this part
	 */
	//borrowed from jQuery easing plugin
	//http://gsgd.co.uk/sandbox/jquery.easing.php
	/*$.easing.elasout = function(x, t, b, c, d) {
		var s=1.70158;var p=0;var a=c;
		if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
		if (a < Math.abs(c)) { a=c; var s=p/4; }
		else var s = p/(2*Math.PI) * Math.asin (c/a);
		return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
	};*/
	// back links
	/*
	$("a[href=#header]").click(function(){
		$(this).parents().scrollTo( 0, 1200, { queue:true } );
		return false;
	});
	*/
	$('a[href^=#]').not('a[href*=#fragment-]').click(function() { 
      var href= this.hash; 
      var $target = $(href == '#header' ? 'body' : href); 
 
      if($target.size()) { 
        //  jQuery のみの場合 
        var top = $target.offset().top; 
        $($.browser.safari ? 'body' : 'html') 
          .animate({scrollTop:top}, 500, 'swing'); 
        //  jQuery ScrollToプラグインを使う場合 
        $.scrollTo($target, 500, {easing:'swing'}); 
      } 
      return false; 
    });
});