/**********************************************************************

  ページ移動ナビゲーション

**********************************************************************/

new function() {
	var prevData  = new Array();
	var nextData  = new Array();
	var showField = '';
	var flag = 0;
	var i    = 0;

	if (fieldMode) {
		for (i = 0; i < article.length; i++) {
			if (showNo == article[i][0]) {
				showField = article[i][2];

				break;
			}
		}
	}

	for (i = 0; i < article.length; i++) {
		if (fieldMode && showField != article[i][2]) {
			continue;
		}

		if (flag == 1) {
			prevData = article[i];

			break;
		}

		if (showNo == article[i][0]) {
			flag = 1;

			continue;
		}

		nextData = article[i];
	}

	document.write('<p>');
	if (flag && prevData[0]) {
		var no    = prevData[0];
		var subj  = prevData[1];
		var field = prevData[2];
		var link  = prevData[3];

		document.write('&lt;&lt; <a href="' + link + '">BACK</a> ');
	}
	document.write('| <a href="' + siteUrl + '">TOP</a> |');
	if (flag && nextData[0]) {
		var no    = nextData[0];
		var subj  = nextData[1];
		var field = nextData[2];
		var link  = nextData[3];

		document.write(' <a href="' + link + '">NEXT</a> &gt;&gt;');
	}
	document.write('</p>');
};