// 先頭へ戻るスクロールエフェクト
var eventTimer;var restScroll=0;function Scroll(base,move){var obj_base = getElemPosition(base);var elem_move = document.getElementById(move);var obj_move = getElemPosition(elem_move);restScroll = obj_move.y-obj_base.y;eventTimer = setInterval(setScrollPosition,10);}
function setScrollPosition() {	var moveValue=0;if(Math.abs(restScroll)>80){moveValue = (restScroll>0)?20:-20;	}else{moveValue = Math.round(restScroll/4);}parent.scrollBy(0,moveValue);restScroll = (restScroll>0)?restScroll-moveValue:restScroll-moveValue;if(moveValue==0){clearInterval(eventTimer);restScroll=0;}}
function getElemPosition(elem) {var obj = new Object();obj.x = elem.offsetLeft;obj.y = elem.offsetTop;while(elem.offsetParent) {elem = elem.offsetParent;obj.x += elem.offsetLeft;obj.y += elem.offsetTop;}return obj;}


// メガメニュー
$j = jQuery ;
$j(document).ready(function() {
	

	function megaHoverOver(){
		$j(this).find(".sub").stop().fadeTo('fast', 1).show();
		//Calculate width of all ul's
		(function($) { 
			jQuery.fn.calcSubWidth = function() {
				rowWidth = 0;
				//Calculate row
				$j(this).find("ul").each(function() {	
					rowWidth += $j(this).outerWidth(true);
				});	
			};
		})(jQuery); 
		
		if ( $j(this).find(".row").length > 0 ) { //If row exists...
			var biggestRow = 0;	
			//Calculate each row
			$j(this).find(".row").each(function() {							   
				$j(this).calcSubWidth();
				//Find biggest row
				if(rowWidth > biggestRow) {
					biggestRow = rowWidth;
				}
			});
			//Set width
			$j(this).find(".sub").css({'width' :biggestRow});
			$j(this).find(".row:last").css({'margin':'0'});
			
		} else { //If row does not exist...
			
			$j(this).calcSubWidth();
			//Set Width
			$j(this).find(".sub").css({'width' : rowWidth});
			
		}
	}
	
	function megaHoverOut(){ 
	  $j(this).find(".sub").stop().fadeTo('fast', 0, function() {
		  $j(this).hide(); 
	  });
	}


	var config = {    
		 sensitivity: 2, // number = sensitivity threshold (must be 1 or higher)    
		 interval: 100, // number = milliseconds for onMouseOver polling interval    
		 over: megaHoverOver, // function = onMouseOver callback (REQUIRED)    
		 timeout: 300, // number = milliseconds delay before onMouseOut    
		 out: megaHoverOut // function = onMouseOut callback (REQUIRED)    
	};

	$j("ul#topnav li .sub").css({'opacity':'0'});
	$j("ul#topnav li").hoverIntent(config);



});