| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | 		//ページ内リンクはするするスクロール 		scroll: function(options) { 			//ドキュメントのスクロールを制御するオブジェクト 			var scroller = (function() { 				var c = $.extend({ 					easing:100, 					step:30, 					fps:60, 					fragment:'' 				}, options); 				c.ms = Math.floor(1000/c.fps); 				var timerId; 				var param = { 					stepCount:0, 					startY:0, 					endY:0, 					lastY:0 				}; 				//スクロール中に実行されるfunction 				function move() { 					if (param.stepCount == c.step) { 						//スクロール終了時 						setFragment(param.hrefdata.absolutePath); 						window.scrollTo(getCurrentX(), param.endY); 					} else if (param.lastY == getCurrentY()) { 						//通常スクロール時 						param.stepCount++; 						window.scrollTo(getCurrentX(), getEasingY()); 						param.lastY = getEasingY(); 						timerId = setTimeout(move, c.ms);  					} else { 						//キャンセル発生 						if (getCurrentY()+getViewportHeight() == getDocumentHeight()) { 							//画面下のためスクロール終了 							setFragment(param.hrefdata.absolutePath); 						} 					} 				} 				function setFragment(path){ 					location.href = path 				} 				function getCurrentY() { 					return document.body.scrollTop  || document.documentElement.scrollTop; 				} 				function getCurrentX() { 					return document.body.scrollLeft  || document.documentElement.scrollLeft; 				} 				function getDocumentHeight(){ 					return document.documentElement.scrollHeight || document.body.scrollHeight; 				} 				function getViewportHeight(){ 					return (!$.browser.safari && !$.browser.opera) ? document.documentElement.clientHeight || document.body.clientHeight || document.body.scrollHeight : window.innerHeight; 				} 				function getEasingY() { 					return Math.floor(getEasing(param.startY, param.endY, param.stepCount, c.step, c.easing)); 				} 				function getEasing(start, end, stepCount, step, easing) { 					var s = stepCount / step; 					return (end - start) * (s + easing / (100 * Math.PI) * Math.sin(Math.PI * s)) + start; 				} 				return { 					set: function(options) { 						this.stop(); 						if (options.startY == undefined) options.startY = getCurrentY(); 						param = $.extend(param, options); 						param.lastY = param.startY; 						timerId = setTimeout(move, c.ms);  					}, 					stop: function(){ 						clearTimeout(timerId); 						param.stepCount = 0; 					} 				}; 			})(); | 
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | scroll: function(options) { jQuery(function(){ var headH = 0; jQuery("a[href^='#']").click(function() { var speed = "slow"; var href= jQuery(this).attr("href"); var target = jQuery(href == "#" || href == "" ? 'html' : href); var position = target.offset().top - headH; jQuery("html,body").animate({scrollTop:position}, speed, 'swing'); return false; }); }); } | 



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