open_sheet = "copy_2_sheet_1";
open_nav = "selector_2_nav_1";
open_image = "selector_2_image_1";

function show_tab(select_num, tab_num) {
	sheet_id = "copy_" + select_num + "_sheet_" + tab_num;
	nav_id = "selector_" + select_num + "_nav_" + tab_num;
	image_id = "selector_" + select_num + "_image_" + tab_num;
	
	active_sheet(sheet_id);
	active_nav(nav_id);
	active_image(image_id);

}

function active_image(image_id) {
	if (open_image !== false) {
		close_image(open_image);
	}
	
	image = document.getElementById(image_id);
	
	image.style.display = "block";
	
	open_image = image_id;
}

function close_image(image_id) {
	image = document.getElementById(image_id);
	
	image.style.display = "none";
}

function active_sheet(sheet_id) {
	if (open_sheet !== false) {
		close_sheet(open_sheet);
		
	}

	sheet = document.getElementById(sheet_id);
		
	sheet.style.display = "block";
	
	open_sheet = sheet_id;
}

function close_sheet(sheet_id) {
	sheet = document.getElementById(sheet_id);
	
	sheet.style.display = "none";
}

function active_nav(nav_id) {
	if (open_nav !== false) {
		inactive_nav(open_nav);
	}
	
	nav = document.getElementById(nav_id);
	
	nav.className = "selector_2_nav_active";
	
	open_nav = nav_id;
}

function inactive_nav(nav_id) {
	nav = document.getElementById(nav_id);
	
	nav.className = "selector_2_nav_inactive";
	nav.style.backgroundColor = "transparent";
}

function rollover_nav(nav_id) {

	nav = document.getElementById(nav_id);
	
	nav.style.backgroundColor = "#000000";

}

function rollout_nav(nav_id) {
	if (nav_id !== open_nav) {
		nav = document.getElementById(nav_id);

		nav.style.backgroundColor = "transparent";
	}
}



function selector_ql_on() {
	nav_div1 = document.getElementById('selector_1_nav_quicklinks');
	nav_div2 = document.getElementById('selector_1_nav_info');
	
	nav_div1.style.backgroundColor = "#000000";

	nav_div1.className = "selector_1_nav_active";
	nav_div2.className = "selector_1_nav_inactive";
}

function selector_ql_off() {
	nav_div1 = document.getElementById('selector_1_nav_quicklinks');
	nav_div2 = document.getElementById('selector_1_nav_info');
	
	nav_div1.style.backgroundColor = "transparent";
	
	nav_div1.className = "selector_1_nav_inactive";
	nav_div2.className = "selector_1_nav_active";
}