//タブメニュー

	function tabmenu(id) {
		if (document.getElementById) return document.getElementById(id);
		if (document.all) return document.all(id);
		return null;
	}
	function topTab(n) {
		for ( var i=1; i<3; i++ ) {
			if ( tabmenu( 'topRightZoneT' + i ) ) {
				tabmenu( 'topRightZoneT' + i ).style.display = "none";
				}
			}
		tabmenu( 'topRightZoneT' + n ).style.display = "block";
        document.cookie = ('tab1=' + escape( 'topRightZoneT' + n ) + ';');
	}
	function bottomTab(n) {
		for ( var i=1; i<4; i++ ) {
			if ( tabmenu( 'topRightZoneB' + i ) ) {
				tabmenu( 'topRightZoneB' + i ).style.display = "none";
				}
			}
		tabmenu( 'topRightZoneB' + n ).style.display = "block";
        document.cookie = ('tab2=' + escape( 'topRightZoneB' + n ) + ';');
	}
	function contentsChange(n) {
		for ( var i=1; i<3; i++ ) {
			if ( tabmenu( 'tabDialog' + i ) ) {
				tabmenu( 'tabDialog' + i ).style.display = "none";
				}
			}
		tabmenu( 'tabDialog' + n ).style.display = "block";
	}
	function companyContents(n) {
		for ( var i=10; i>0; i-- ) {
			if ( tabmenu( 'yearSelectTab' + i ) ) {
				tabmenu( 'yearSelectTab' + i ).style.display = "none";
				}
			}
		tabmenu( 'yearSelectTab' + n ).style.display = "block";
	}
	function convChange(n) {
		for ( var i=1; i<6; i++ ) {
			if ( tabmenu( 'convSelect' + i ) ) {
				tabmenu( 'convSelect' + i ).style.display = "none";
				}
			}
		tabmenu( 'convSelect' + n ).style.display = "block";
	}
	function specialChange(n) {
		for ( var i=1; i<7; i++ ) {
			if ( tabmenu( 'routeSelect' + i ) ) {
				tabmenu( 'routeSelect' + i ).style.display = "none";
				}
			}
		tabmenu( 'routeSelect' + n ).style.display = "block";
	}