$(document).ready(function(){
	var box_origin = '.box_origin' ;
	var box_copy   = '.box_copy' ;

	if( true ){
		if( $( box_origin ).height() < $( box_copy ).height() ){
			$( box_origin ).height( $( box_copy ).height() ) ;
		} else {
			$( box_copy ).height( $( box_origin ).height() ) ;
		}
	}
}) ;

$(function() {

	//--- rollover
	$(".jq_rollover").each(function(){
		$(this).hover(
			function(){
				var name_of_image = $(this).attr('src') ;
				var fn='' ;
				var ext='' ;
				if((n=name_of_image.lastIndexOf(".")) != -1 ){
					fn = name_of_image.substring(0,n) ;
					ext = name_of_image.substring(n) ;
				}
				$(this).attr('src', fn + '_ov' + ext) ;
			},
			function(){
				var name_of_image = $(this).attr('src') ;
				var fn='' ;
				var ext='' ;
				if((n=name_of_image.lastIndexOf(".")) != -1 ){
					fn = name_of_image.substring(0,n-3) ;
					ext = name_of_image.substring(n) ;
				}
				$(this).attr('src', fn + ext) ;
			}
		) ;
	}) ;

	//--- swap
	$(".jq_swap").each(function(){
		$(this).mouseover( function(){
			var name_of_image = $(this).attr('src') ;
			var fn='' ;
			var ext='' ;
			if((n=name_of_image.lastIndexOf(".")) != -1 ){
				fn = name_of_image.substring(0,n) ;
				ext = name_of_image.substring(n) ;
				if((nx=fn.lastIndexOf("/")) != -1 ){
					fn_origin = fn.substring(nx+1,n-2) ;
					$('#'+fn_origin).attr('src', fn + '_large' + ext) ;
				}
			}
		}) ;
	}) ;


	// opacity of hover
	$(".imgover_alpha").hover(
		function(){ $(this).css('opacity',0.7) ; },
		function(){ $(this).css('opacity',1.0) ; }
	) ;


}) ;