$(function(){
	
	/* slideUpDoen Layer -----------------------------------------------------*/
	var btnId = {
		home:"#btn1",
		service:"#btn2",
		companyInfo:"#btn3",
		access:"#btn4",
		contact:"#btn5",
	}
	var animationFlag = true;
	var currentLayer = "#home";
	
	//初期設定
	//currentLayer
	if(location.hash.indexOf('#')!=-1){
		currentLayer=location.hash
	}else{
		currentLayer="#home"
	}
	//button, layer
	$("#home,#service,#companyInfo,#access,#contact").hide()
	$(currentLayer).show()
	$(btnId[currentLayer.split('#')[1]]).addClass("curr");
	
	//switchLayer   
	$("nav a, .switch").click(function(){
		var newLayer = $(this).attr("href")	
		if(animationFlag && currentLayer!=newLayer){			
			function showLayer(){
				$(newLayer).slideDown("normal",changeFlag)
				}			
			function changeFlag(){
				animationFlag = true
				}																	
			if(currentLayer!=newLayer){
				$(currentLayer).slideUp("fast",showLayer);	
				animationFlag = false
				}			
			currentLayer = newLayer;				
			$("#btn1,#btn2,#btn3,#btn4,#btn5").removeClass()					
			$(btnId[currentLayer.split('#')[1]]).addClass("curr");	
		}else{
				return false;
		}		
	})	
	
	/* pageTopスクロール -----------------------------------------------------*/
	$(".pagetop a").click(function(){
     $('html,body').animate({ scrollTop: $($(this).attr("href")).offset().top }, 'fast','swing');
     return false;
     })
	
})