function link_main(chk) {
	document.getElementById('libbutton1').style.color = '#336699';
	document.getElementById('libbutton2').style.color = '#000000';
	document.getElementById('libbutton3').style.color = '#000000';
	document.getElementById('libbutton4').style.color = '#000000';
	document.getElementById('libbutton5').style.color = '#000000';
}
function link_cat(chk) {
	document.getElementById('libbutton1').style.color = '#000000';
	document.getElementById('libbutton2').style.color = '#336699';
	document.getElementById('libbutton3').style.color = '#000000';
	document.getElementById('libbutton4').style.color = '#000000';
	document.getElementById('libbutton5').style.color = '#000000';
}
function link_products(chk) {
	document.getElementById('libbutton1').style.color = '#000000';
	document.getElementById('libbutton2').style.color = '#000000';
	document.getElementById('libbutton3').style.color = '#336699';
	document.getElementById('libbutton4').style.color = '#000000';
	document.getElementById('libbutton5').style.color = '#000000';
}
function link_lib_faq(chk) {
	document.getElementById('libbutton1').style.color = '#000000';
	document.getElementById('libbutton2').style.color = '#000000';
	document.getElementById('libbutton3').style.color = '#000000';
	document.getElementById('libbutton4').style.color = '#336699';
	document.getElementById('libbutton5').style.color = '#000000';
}
function link_cur_vend(chk) {
	document.getElementById('libbutton1').style.color = '#000000';
	document.getElementById('libbutton2').style.color = '#000000';
	document.getElementById('libbutton3').style.color = '#000000';
	document.getElementById('libbutton4').style.color = '#000000';
	document.getElementById('libbutton5').style.color = '#336699';
}
function show_qa(chk){
	document.getElementById('show_question').style.visibility = 'visible';
	document.getElementById('show_question').style.display = 'block';
	document.getElementById('space1').style.visibility = 'visible';
	document.getElementById('space1').style.display = 'block';
	document.getElementById('show_answer').style.visibility = 'visible';
	document.getElementById('show_answer').style.display = 'block';
	document.getElementById('space2').style.visibility = 'visible';
	document.getElementById('space2').style.display = 'block';
	document.getElementById('go_back').style.visibility = 'visible';
	document.getElementById('go_back').style.display = 'block';
	document.getElementById('questions').style.visibility = 'hidden';
	document.getElementById('questions').style.display = 'none';
	if (chk.id == 'question1'){
		document.getElementById('show_question').innerHTML = document.getElementById('question1').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer1').innerHTML;
	} 
	if (chk.id == 'question2'){
		document.getElementById('show_question').innerHTML = document.getElementById('question2').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer2').innerHTML;
	} 
	if (chk.id == 'question3'){
		document.getElementById('show_question').innerHTML = document.getElementById('question3').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer3').innerHTML;
	} 
	if (chk.id == 'question4'){
		document.getElementById('show_question').innerHTML = document.getElementById('question4').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer4').innerHTML;
	} 
	if (chk.id == 'question5'){
		document.getElementById('show_question').innerHTML = document.getElementById('question5').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer5').innerHTML;
	} 
	if (chk.id == 'question6'){
		document.getElementById('show_question').innerHTML = document.getElementById('question6').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer6').innerHTML;
	} 
	if (chk.id == 'question7'){
		document.getElementById('show_question').innerHTML = document.getElementById('question7').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer7').innerHTML;
	} 
	if (chk.id == 'question8'){
		document.getElementById('show_question').innerHTML = document.getElementById('question8').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer8').innerHTML;
	} 
	if (chk.id == 'question9'){
		document.getElementById('show_question').innerHTML = document.getElementById('question9').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer9').innerHTML;
	} 
	if (chk.id == 'question10'){
		document.getElementById('show_question').innerHTML = document.getElementById('question10').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer10').innerHTML;
	} 
	if (chk.id == 'question11'){
		document.getElementById('show_question').innerHTML = document.getElementById('question11').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer11').innerHTML;
	} 
	if (chk.id == 'question12'){
		document.getElementById('show_question').innerHTML = document.getElementById('question12').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer12').innerHTML;
	} 
	if (chk.id == 'question13'){
		document.getElementById('show_question').innerHTML = document.getElementById('question13').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer13').innerHTML;
	} 
	if (chk.id == 'question14'){
		document.getElementById('show_question').innerHTML = document.getElementById('question14').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer14').innerHTML;
	} 
	if (chk.id == 'question15'){
		document.getElementById('show_question').innerHTML = document.getElementById('question15').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer15').innerHTML;
	} 
	if (chk.id == 'question16'){
		document.getElementById('show_question').innerHTML = document.getElementById('question16').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer16').innerHTML;
	} 
	if (chk.id == 'question17'){
		document.getElementById('show_question').innerHTML = document.getElementById('question17').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer17').innerHTML;
	} 
	if (chk.id == 'question18'){
		document.getElementById('show_question').innerHTML = document.getElementById('question18').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer18').innerHTML;
	} 
	if (chk.id == 'question19'){
		document.getElementById('show_question').innerHTML = document.getElementById('question19').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer19').innerHTML;
	} 
	if (chk.id == 'question20'){
		document.getElementById('show_question').innerHTML = document.getElementById('question20').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer20').innerHTML;
	} 
	if (chk.id == 'question21'){
		document.getElementById('show_question').innerHTML = document.getElementById('question21').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer21').innerHTML;
	} 
	if (chk.id == 'question22'){
		document.getElementById('show_question').innerHTML = document.getElementById('question22').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer22').innerHTML;
	} 
	if (chk.id == 'question23'){
		document.getElementById('show_question').innerHTML = document.getElementById('question23').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer23').innerHTML;
	} 
	if (chk.id == 'question24'){
		document.getElementById('show_question').innerHTML = document.getElementById('question24').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer24').innerHTML;
	} 
	if (chk.id == 'question25'){
		document.getElementById('show_question').innerHTML = document.getElementById('question25').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer25').innerHTML;
	} 
	if (chk.id == 'question26'){
		document.getElementById('show_question').innerHTML = document.getElementById('question26').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer26').innerHTML;
	} 
	if (chk.id == 'question27'){
		document.getElementById('show_question').innerHTML = document.getElementById('question27').innerHTML;
		document.getElementById('show_answer').innerHTML = document.getElementById('answer27').innerHTML;
	} 
	
}
function show_stuff(){
	document.getElementById('show_question').style.visibility = 'hidden';
	document.getElementById('show_question').style.display = 'none';
	document.getElementById('space1').style.visibility = 'hidden';
	document.getElementById('space1').style.display = 'none';
	document.getElementById('show_answer').style.visibility = 'hidden';
	document.getElementById('show_answer').style.display = 'none';
	document.getElementById('space2').style.visibility = 'hidden';
	document.getElementById('space2').style.display = 'none';
	document.getElementById('go_back').style.visibility = 'hidden';
	document.getElementById('go_back').style.display = 'none';
	document.getElementById('questions').style.visibility = 'visible';
	document.getElementById('questions').style.display = 'block';
}
function link_main2(chk) {
	document.getElementById('homebutton1').style.color = '#336699';
	document.getElementById('homebutton2').style.color = '#000000';
	document.getElementById('homebutton3').style.color = '#000000';
	document.getElementById('homebutton4').style.color = '#000000';
	document.getElementById('homebutton5').style.color = '#000000';
	document.getElementById('homebutton6').style.color = '#000000';
}
function link_mission2(chk) {
	document.getElementById('homebutton1').style.color = '#000000';
	document.getElementById('homebutton2').style.color = '#336699';
	document.getElementById('homebutton3').style.color = '#000000';
	document.getElementById('homebutton4').style.color = '#000000';
	document.getElementById('homebutton5').style.color = '#000000';
	document.getElementById('homebutton6').style.color = '#000000';
}
function link_staff2(chk) {
	document.getElementById('homebutton1').style.color = '#000000';
	document.getElementById('homebutton2').style.color = '#000000';
	document.getElementById('homebutton3').style.color = '#336699';
	document.getElementById('homebutton4').style.color = '#000000';
	document.getElementById('homebutton5').style.color = '#000000';
	document.getElementById('homebutton6').style.color = '#000000';
}
function link_facility2(chk) {
	document.getElementById('about_facility').style.visibility = 'visible';
	document.getElementById('about_mission').style.visibility = 'hidden';
	document.getElementById('about_staff').style.visibility = 'hidden';
	document.getElementById('about_main').style.visibility = 'hidden';
	document.getElementById('about_history').style.visibility = 'hidden';
	document.getElementById('about_community').style.visibility = 'hidden';
	document.getElementById('about_facility').style.display = 'block';
	document.getElementById('about_mission').style.display = 'none';
	document.getElementById('about_staff').style.display = 'none';
	document.getElementById('about_main').style.display = 'none';
	document.getElementById('about_history').style.display = 'none';
	document.getElementById('about_community').style.display = 'none';
	document.getElementById('homebutton1').style.color = '#000000';
	document.getElementById('homebutton2').style.color = '#000000';
	document.getElementById('homebutton3').style.color = '#000000';
	document.getElementById('homebutton4').style.color = '#336699';
	document.getElementById('homebutton5').style.color = '#000000';
	document.getElementById('homebutton6').style.color = '#000000';
}
function link_history2(chk) {
	document.getElementById('homebutton1').style.color = '#000000';
	document.getElementById('homebutton2').style.color = '#000000';
	document.getElementById('homebutton3').style.color = '#000000';
	document.getElementById('homebutton4').style.color = '#000000';
	document.getElementById('homebutton5').style.color = '#336699';
	document.getElementById('homebutton6').style.color = '#000000';
}
function link_community2(chk) {
	document.getElementById('homebutton1').style.color = '#000000';
	document.getElementById('homebutton2').style.color = '#000000';
	document.getElementById('homebutton3').style.color = '#000000';
	document.getElementById('homebutton4').style.color = '#000000';
	document.getElementById('homebutton5').style.color = '#000000';
	document.getElementById('homebutton6').style.color = '#336699';
}
function link_profile(chk) {
	document.getElementById('lib_cat_prof').style.visibility = 'visible';
	document.getElementById('check_isbn').style.visibility = 'hidden';
	document.getElementById('make_order').style.visibility = 'hidden';
	document.getElementById('documents').style.visibility = 'hidden';
	document.getElementById('title_upload').style.visibility = 'hidden';
	document.getElementById('lib_cat_prof').style.display = 'block';
	document.getElementById('check_isbn').style.display = 'none';
	document.getElementById('make_order').style.display = 'none';
	document.getElementById('documents').style.display = 'none';
	document.getElementById('title_upload').style.display = 'none';
	document.getElementById('appbutton1').style.color = '#336699';
	document.getElementById('appbutton2').style.color = '#000000';
	document.getElementById('appbutton3').style.color = '#000000';
	document.getElementById('appbutton4').style.color = '#000000';
	document.getElementById('appbutton5').style.color = '#000000';
}
function link_check_isbn(chk) {
	document.getElementById('check_isbn').style.visibility = 'visible';
	document.getElementById('lib_cat_prof').style.visibility = 'hidden';
	document.getElementById('make_order').style.visibility = 'hidden';
	document.getElementById('documents').style.visibility = 'hidden';
	document.getElementById('title_upload').style.visibility = 'hidden';
	document.getElementById('check_isbn').style.display = 'block';
	document.getElementById('lib_cat_prof').style.display = 'none';
	document.getElementById('make_order').style.display = 'none';
	document.getElementById('documents').style.display = 'none';
	document.getElementById('title_upload').style.display = 'none';
	document.getElementById('appbutton1').style.color = '#000000';
	document.getElementById('appbutton2').style.color = '#336699';
	document.getElementById('appbutton3').style.color = '#000000';
	document.getElementById('appbutton4').style.color = '#000000';
	document.getElementById('appbutton5').style.color = '#000000';
}
function link_make_order(chk) {
	document.getElementById('make_order').style.visibility = 'visible';
	document.getElementById('check_isbn').style.visibility = 'hidden';
	document.getElementById('lib_cat_prof').style.visibility = 'hidden';
	document.getElementById('documents').style.visibility = 'hidden';
	document.getElementById('title_upload').style.visibility = 'hidden';
	document.getElementById('make_order').style.display = 'block';
	document.getElementById('check_isbn').style.display = 'none';
	document.getElementById('lib_cat_prof').style.display = 'none';
	document.getElementById('documents').style.display = 'none';
	document.getElementById('title_upload').style.display = 'none';
	document.getElementById('appbutton1').style.color = '#000000';
	document.getElementById('appbutton2').style.color = '#000000';
	document.getElementById('appbutton4').style.color = '#336699';
	document.getElementById('appbutton3').style.color = '#000000';
	document.getElementById('appbutton5').style.color = '#000000';
}
function link_documents(chk) {
	document.getElementById('documents').style.visibility = 'visible';
	document.getElementById('check_isbn').style.visibility = 'hidden';
	document.getElementById('make_order').style.visibility = 'hidden';
	document.getElementById('lib_cat_prof').style.visibility = 'hidden';
	document.getElementById('title_upload').style.visibility = 'hidden';
	document.getElementById('documents').style.display = 'block';
	document.getElementById('check_isbn').style.display = 'none';
	document.getElementById('make_order').style.display = 'none';
	document.getElementById('lib_cat_prof').style.display = 'none';
	document.getElementById('title_upload').style.display = 'none';
	document.getElementById('appbutton1').style.color = '#000000';
	document.getElementById('appbutton2').style.color = '#000000';
	document.getElementById('appbutton4').style.color = '#000000';
	document.getElementById('appbutton3').style.color = '#336699';
	document.getElementById('appbutton5').style.color = '#000000';
}
function link_upload(chk) {
	document.getElementById('documents').style.visibility = 'hidden';
	document.getElementById('check_isbn').style.visibility = 'hidden';
	document.getElementById('make_order').style.visibility = 'hidden';
	document.getElementById('lib_cat_prof').style.visibility = 'hidden';
	document.getElementById('title_upload').style.visibility = 'visible';
	document.getElementById('documents').style.display = 'none';
	document.getElementById('check_isbn').style.display = 'none';
	document.getElementById('make_order').style.display = 'none';
	document.getElementById('lib_cat_prof').style.display = 'none';
	document.getElementById('title_upload').style.display = 'block';	
	document.getElementById('appbutton1').style.color = '#000000';
	document.getElementById('appbutton2').style.color = '#000000';
	document.getElementById('appbutton4').style.color = '#000000';
	document.getElementById('appbutton3').style.color = '#000000';
	document.getElementById('appbutton5').style.color = '#336699';
}