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','vi-vii','viii-ix','xxi','unit5toc','144a-144b','144c-144d','144e-144f','144g-144h','144-145','145a','146a','146b-146c','146d-146e','146f-146g','146g1-146g2','146g3-146g4','146h-146i','146j-146k','146l-146m','146-147','148a-148b','148-149','150-151','152-153','154-155','156-157','158-159','160-161','162-163','164-165','166-167','168-169','169a-169b','169c-169d','169e-169f','169g-169h','169i-169j','169k-169l','169m-169n','169o','170a','170b-170c','170d-170e','170f-170g','170g1-170g2','170g3-170g4','170h-170i','170j-170k','170l-170m','170-171','172a-172b','172-173','174-175','176-177','178-179','180-181','182-183','184-185','186-187','188-189','190-191','192-193','193a-193b','193c-193d','193e-193f','193g-193h','193i-193j','193k-193l','193m-193n','193o','194a','194b-194c','194d-194e','194f-194g','194g1-194g2','194g3-194g4','194h-194i','194j-194k','194l-194m','194-195','196a-196b','196-197','198-199','200-201','202-203','204-205','206-207','208-209','210-211','212-213','214-215','216-217','218-219','219a-219b','219c-219d','219e-219f','219g-219h','219i-219j','219k-219l','219m-219n','219o','220a','220b-220c','220d-220e','220f-220g','220g1-220g2','220g3-220g4','220h-220i','220j-220k','220l-220m','220-221','222a-222b','222-223','224-225','226-227','228-229','230-231','232-233','234-235','236-237','238-239','240-241','242-243','243a-243b','243c-243d','243e-243f','243g-243h','243i-243j','243k-243l','243m-243n','243o','244a','244b-244c','244d-244e','244f-244g','244g1-244g2','244g3-244g4','244h-244i','244j-244k','244l-244m','244-245','246a-246b','246-247','248-249','250-251','252-253','254-255','256-257','258-259','260-261','262-263','264-265','266-267','268-269','270-271','272-273','274-275','275a-275b','275c-275d','275e-275f','275g-275h','275i-275j','275k-275l','275m-275n','275o','276a','276-277','278-279','280-281','281f-281g','281h','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|vi-vii|viii-ix|xxi|x|144a-144b|144c-144d|144e-144f|144g-144h|144-145|145a|146a|146b-146c|146d-146e|146f-146g|146g1-146g2|146g3-146g4|146h-146i|146j-146k|146l-146m|146-147|148a-148b|148-149|150-151|152-153|154-155|156-157|158-159|160-161|162-163|164-165|166-167|168-169|169a-169b|169c-169d|169e-169f|169g-169h|169i-169j|169k-169l|169m-169n|169o|170a|170b-170c|170d-170e|170f-170g|170g1-170g2|170g3-170g4|170h-170i|170j-170k|170l-170m|170-171|172a-172b|172-173|174-175|176-177|178-179|180-181|182-183|184-185|186-187|188-189|190-191|192-193|193a-193b|193c-193d|193e-193f|193g-193h|193i-193j|193k-193l|193m-193n|193o|194a|194b-194c|194d-194e|194f-194g|194g1-194g2|194g3-194g4|194h-194i|194j-194k|194l-194m|194-195|196a-196b|196-197|198-199|200-201|202-203|204-205|206-207|208-209|210-211|212-213|214-215|216-217|218-219|219a-219b|219c-219d|219e-219f|219g-219h|219i-219j|219k-219l|219m-219n|219o|220a|220b-220c|220d-220e|220f-220g|220g1-220g2|220g3-220g4|220h-220i|220j-220k|220l-220m|220-221|222a-222b|222-223|224-225|226-227|228-229|230-231|232-233|234-235|236-237|238-239|240-241|242-243|243a-243b|243c-243d|243e-243f|243g-243h|243i-243j|243k-243l|243m-243n|243o|244a|244b-244c|244d-244e|244f-244g|244g1-244g2|244g3-244g4|244h-244i|244j-244k|244l-244m|244-245|246a-246b|246-247|248-249|250-251|252-253|254-255|256-257|258-259|260-261|262-263|264-265|266-267|268-269|270-271|272-273|274-275|275a-275b|275c-275d|275e-275f|275g-275h|275i-275j|275k-275l|275m-275n|275o|276a|276-277|278-279|280-281|281f-281g|281h|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|';