var tbl_row_length = 4; // images per table row
var gallery_pages = "<a href=\"gal_01.htm\">1</a> | <a href=\"gal_02.htm\">2</a> | <a href=\"gal_03.htm\">3</a> | <a href=\"gal_04.htm\">4</a> | <a href=\"gal_05.htm\">5</a> | <a href=\"gal_06.htm\">6</a> | <a href=\"gal_07.htm\">7</a> | <a href=\"gal_08.htm\">8</a> | <a href=\"gal_09.htm\">9</a> | <a href=\"gal_10.htm\">10</a> | <a href=\"gal_11.htm\">11</a> | <a href=\"gal_12.htm\">12</a> | <a href=\"gal_13.htm\">13</a> | <a href=\"gal_14.htm\">14</a> | <a href=\"gal_15.htm\">15</a> | <a href=\"gal_16.htm\">16</a> | <a href=\"gal_17.htm\">17</a> | <a href=\"gal_18.htm\">18</a> | <a href=\"gal_19.htm\">19</a> | <a href=\"gal_20.htm\">20</a> | <a href=\"gal_21.htm\">21</a> | <a href=\"gal_22.htm\">22</a>"; // all gallery pages
var header_images = 1; // images loaded before first pic of JČŠ (e.g. page header image) = jcs.jpg

//----------------------------------------//
// returns image description

function imgDesc(img_dir, img_nr) {

	var img_desc = getImgDesc(img_dir, img_nr);
	var curr_img = document.images.length - 1;

	// ALT image description
	document.images[curr_img].alt = img_desc;

	// visible image description
	if (img_desc.indexOf(" - ") > 0) img_desc = img_desc.substring(0, img_desc.indexOf(" - "));
	document.write("<br><br>" + img_desc + "<br>Author: " + 	getImgC(img_dir, img_nr) + "</td>");

	// close/open new table row
	if (((document.images.length - header_images) % tbl_row_length) == 0) document.write("</tr><tr>");

}

//----------------------------------------//
//----------------------------------------//
// generates gallery links

function genLinks(page) {
	var this_page = gallery_pages.replace(">" + page, " class=\"this_page\">" + page);
	document.write("<table cellspacing=\"5\" cellpadding=\"3\"><tr><td class=\"td_header1\">Gallery</td>");
	document.write("<td class=\"td_header2\">&nbsp;&nbsp;" + this_page + "</td></tr></table>");
}

//----------------------------------------//
// generates header for gallery pages

function genHeader(page) {
	document.write("<img src=\"../bg/jcs.gif\" style=\"width: 396px; height: 23px; margin-top: 7px; margin-left: 8px; margin-bottom: 5px;\">");

	genLinks(page);
	document.write("<br><table cellspacing=\"5\" cellpadding=\"3\"><tr>");

}

//----------------------------------------//
// generates footer for gallery pages

function genFooter(page) {
	document.write("</tr></table><br>");
	genLinks(page);
}

//----------------------------------------//
// generates title for gallery pages

function genTitle(page) {
	document.write("<title>Gallery " + page + "/22</title>");
}