var redirect = {
	home : 'index'
};

function gotoPage() {
	var page = document.getElementById('txtgoto').value.toLowerCase();
	page = (page.split("-"))[0];
	page = page.replace(/[^0-9a-z]/gi, '');
	
	if (redirect[page])
		page = redirect[page];
	else {
		var searchStr = '\\|([^|]*-)?';
		var n_re = /[0-9]+/gi;
		var last = 0;
		while (true) {
			var n_found = n_re.exec(page);
			if (!n_found)
				break;
			searchStr += page.substring(last, n_found.index);
			if (n_found.length < 3)
				searchStr += '0*';
			searchStr += n_found;
			last = n_found.index + n_found[0].length;
		}
			
		searchStr += page.substring(last) + '(-[^|]*)?\\|';
		var re = new RegExp(searchStr, "i");
		
		var search = re.exec(availablePages);
		
		if (!search) {
			alert('Page \''+page+'\' not found.');
			return;
		}
	
		var found = search[0];
		page = found.substring(1, found.length-1);
		page = keepOnlyFirstAndLast(page);
	}
	
	page += '.html';
	
	location.href = page.toLowerCase();
}

function keepOnlyFirstAndLast(page) {
	var index = page.indexOf("-");
	if(index < 0) return page;
	
	var index2 = page.lastIndexOf("-");
	if(index2 < 0 || index2 == index) return page;
	
	page = page.substring(0,index) + page.substring(index2);
	return page;
} 
//nav tool next/back arrow
var pageList = ['i','ii','iii','iv','xxi','xxii-xxiii','xxiv-xxv','unit1toc','010a-010b','010c-010d','010e-010f','010g-010h','010-011','011a','012a','012b-012c','012d-012e','012f-012g','012g1-012g2','012g3-012g4','012h-012i','012j-012k','012l-012m','012-013','014a-014b','014-015','016-017','018-019','020-021','022-023','024-025','026-027','028-029','030-031','032-033','034-035','036-037','038-039','040-041','041a-041b','041c-041d','041e-041f','041g-041h','041i-041j','041k-041l','041m-041n','041o','042a','042b-042c','042d-042e','042f-042g','042g1-042g2','042g3-042g4','042h-042i','042j-042k','042l-042m','042-043','044a-044b','044-045','046-047','048-049','050-051','052-053','054-055','056-057','058-059','060-061','062-063','063a-063b','063c-063d','063e-063f','063g-063h','063i-063j','063k-063l','063m-063n','063o','064a','064b-064c','064d-064e','064f-064g','064g1-064g2','064g3-064g4','064h-064i','064j-064k','064l-064m','064-065','066a-066b','066-067','068-069','070-071','072-073','074-075','076-077','078-079','080-081','082-083','084-085','085a-085b','085c-085d','085e-085f','085g-085h','085i-085j','085k-085l','085m-085n','085o','086a','086b-086c','086d-086e','086f-086g','086g1-086g2','086g3-086g4','086h-086i','086j-086k','086l-086m','086-087','088a-088b','088-089','090-091','092-093','094-095','096-097','098-099','100-101','102-103','104-105','106-107','108-109','110-111','112-113','114-115','115a-115b','115c-115d','115e-115f','115g-115h','115i-115j','115k-115l','115m-115n','115o','116a','116b-116c','116d-116e','116f-116g','116g1-116g2','116g3-116g4','116h-116i','116j-116k','116l-116m','116-117','118a-118b','118-119','120-121','122-123','124-125','126-127','128-129','130-131','132-133','134-135','136-137','138-139','140-141','141a-141b','141c-141d','141e-141f','141g-141h','141i-141j','141k-141l','141m-141n','141o','142a','142-143','144-145','146-147','147a-147b','147c-147d','147e-147f','147g-147h','147i-147j','147k-147l','147m-147n','147o-147p','147v-147w','147x','wa1','wa2-wa3','wa4-wa5','wa6-wa7','wa8-wa9','wa10','wa11','wa12','wa13','wa14','wa15-wa18','lr1-lr3','lr4-lr6','lr7-lr9','lr10-lr12','lr13-lr15','lr16-lr18','lr19-lr21','lr22-lr24','lr25-lr27','lr28-lr30','lr31-lr33','lr34-lr36','lr37-lr39','lr40-lr42','lr43-lr45','lr46','lr47','lr48','di1','di2','di3','di4-di5','di6-di7','di8-di9','di10','di11','di12','di13','di14-di15','di16-di17','di18-di19','di20','di21','di22','di23','di24-di25','di26-di27','di28-di29','di30','di31','di32','di33','di34-di35','di36-di37','di38-di39','di40','di41','di42','di43','di44-di45','di46-di47','di48-di49','di50','di51','di52','di53','di54','di55','di56','di57-di60','tr1','tr2','tr3','tr4','tr5','tr6','tr7','tr8','tr9','tr10-tr13','tr14-tr17','tr18','tr19','tr20','tr21','tr22','tr23','tr24','tr25','tr26','tr27','tr28','tr29','tr30','tr31','tr32','tr33','tr34','tr35','tr36','tr37','tr38','tr39','tr40'];
//Go To functionality
var availablePages = '|i|ii|iii|iv|xxi|xxii-xxiii|xxiv-xxv|xxvi|010a-010b|010c-010d|010e-010f|010g-010h|010-011|011a|012a|012b-012c|012d-012e|012f-012g|012g1-012g2|012g3-012g4|012h-012i|012j-012k|012l-012m|012-013|014a-014b|014-015|016-017|018-019|020-021|022-023|024-025|026-027|028-029|030-031|032-033|034-035|036-037|038-039|040-041|041a-041b|041c-041d|041e-041f|041g-041h|041i-041j|041k-041l|041m-041n|041o|042a|042b-042c|042d-042e|042f-042g|042g1-042g2|042g3-042g4|042h-042i|042j-042k|042l-042m|042-043|044a-044b|044-045|046-047|048-049|050-051|052-053|054-055|056-057|058-059|060-061|062-063|063a-063b|063c-063d|063e-063f|063g-063h|063i-063j|063k-063l|063m-063n|063o|064a|064b-064c|064d-064e|064f-064g|064g1-064g2|064g3-064g4|064h-064i|064j-064k|064l-064m|064-065|066a-066b|066-067|068-069|070-071|072-073|074-075|076-077|078-079|080-081|082-083|084-085|085a-085b|085c-085d|085e-085f|085g-085h|085i-085j|085k-085l|085m-085n|085o|086a|086b-086c|086d-086e|086f-086g|086g1-086g2|086g3-086g4|086h-086i|086j-086k|086l-086m|086-087|088a-088b|088-089|090-091|092-093|094-095|096-097|098-099|100-101|102-103|104-105|106-107|108-109|110-111|112-113|114-115|115a-115b|115c-115d|115e-115f|115g-115h|115i-115j|115k-115l|115m-115n|115o|116a|116b-116c|116d-116e|116f-116g|116g1-116g2|116g3-116g4|116h-116i|116j-116k|116l-116m|116-117|118a-118b|118-119|120-121|122-123|124-125|126-127|128-129|130-131|132-133|134-135|136-137|138-139|140-141|141a-141b|141c-141d|141e-141f|141g-141h|141i-141j|141k-141l|141m-141n|141o|142a|142-143|144-145|146-147|147a-147b|147c-147d|147e-147f|147g-147h|147i-147j|147k-147l|147m-147n|147o-147p|147v-147w|147x|WA1|WA2-WA3|WA4-WA5|WA6-WA7|WA8-WA9|WA10|WA11|WA12|WA13|WA14|WA15-WA16-WA17-WA18|LR1-LR2-LR3|LR4-LR5-LR6|LR7-LR8-LR9|LR10-LR11-LR12|LR13-LR14-LR15|LR16-LR17-LR18|LR19-LR20-LR21|LR22-LR23-LR24|LR25-LR26-LR27|LR28-LR29-LR30|LR31-LR32-LR33|LR34-LR35-LR36|LR37-LR38-LR39|LR40-LR41-LR42|LR43-LR44-LR45|LR46|LR47|LR48|DI1|DI2|DI3|DI4-DI5|DI6-DI7|DI8-DI9|DI10|DI11|DI12|DI13|DI14-DI15|DI16-DI17|DI18-DI19|DI20|DI21|DI22|DI23|DI24-DI25|DI26-DI27|DI28-DI29|DI30|DI31|DI32|DI33|DI34-DI35|DI36-DI37|DI38-DI39|DI40|DI41|DI42|DI43|DI44-DI45|DI46-DI47|DI48-DI49|DI50|DI51|DI52|DI53|DI54|DI55|DI56|DI57-DI58-DI59-DI60|TR1|TR2|TR3|TR4|TR5|TR6|TR7|TR8|TR9|TR10-TR11-TR12-TR13|TR14-TR15-TR16-TR17|TR18|TR19|TR20|TR21|TR22|TR23|TR24|TR25|TR26|TR27|TR28|TR29|TR30|TR31|TR32|TR33|TR34|TR35|TR36|TR37|TR38|TR39|TR40|';