var picwidth = 700;

function placePic(){
	var picnum = readCookie('seluPic'); 
	document.write("<p>" + pic[picnum][pcaption]); 
	if(pic[picnum][pwidth] > picwidth){document.write("<br>(click picture for larger version)");} 
	document.write("</p>");
	document.write("<a href=\"gallery/" + pic[picnum][pname] + "\"><img src=\"gallery/" + pic[picnum][pname] + "\""); 
	if(pic[picnum][pwidth] > picwidth){
		document.write(" width=\"700\" ")
		document.write("height=\""); 
		document.write(Math.round(picwidth * pic[picnum][pheight] / pic[picnum][pwidth])); 	// scaled-down height
		document.write("\" ");
		}
	document.write("></a>"); 
	if(pic[picnum][pwidth] > picwidth){document.write("<p>(click picture for larger version)</p>");}
	}

function thumbnail(arg){
	if(pic[arg][pcategory]){document.write(pic[arg][pcategory]);}
	else{
		document.write("<a href=\"pic.html\" onclick=\"photoCookie(" + arg + ")\">"); 
		document.write("<img src=\"gallery/_" + pic[arg][pname] + "\" style=\"margin: 8px;\">");
		document.write("</a>"); 
		}
	}

// cookie stuff............................................................................

function decrementCookie(){
	ctr = readCookie('seluPic'); 
	ctr--;
	if(pic[ctr][pcategory]){ctr--;};			// avoids section headers
	if(ctr<0){ctr = pic.length - 2;}; 			// goes to last (non-blank) picture
	photoCookie(ctr); 
	history.go(0);
	}

function incrementCookie(){
	ctr = readCookie('seluPic'); 
	ctr++; 
	if(ctr==pic.length - 1){ctr = 0;}; 
	if(pic[ctr][pcategory]){ctr++;};			// avoids section headers
	photoCookie(ctr); 
	history.go(0);
	}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
		}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
	}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
		}
	return null;
	}

function eraseCookie(name) {
	createCookie(name,"",-1);
	}

function photoCookie(arg) {createCookie('seluPic', arg, 0); return 0;}

function starmap() {
	var m_num = ["01", "02", "03", "04", "05", "06", "07", "08", "09", "10", "11", "12"];
	var d = new Date();
	var smap = "tesmn";
		smap += "0";			//  DELETE AFTER 2009
		smap += d.getFullYear() %100;
		smap += m_num[d.getMonth()];
		smap += ".pdf";
	return smap;
	}
// var s_map = starmap();

// "<li><a href=\"http://www.skymaps.com/downloads.html\">Starmaps.com</a></li>",
// var m_num = ["01", "02", "03", "04", "05", "06", "07", "08", "09", "10", "11", "12"];
// var d = new Date();
// var c_month = d.getMonth();
// var curr_year = d.getFullYear() % 100;
// var smap = "http://www.skymaps.com/skymaps/tesmn" + Date() + ".pdf";

// var s_map = starmap();

// NAVIGATION .....................................................................

var navtop = [
	"<a href=\"http://www.radford.edu/observatory\">Observatory home</a>", 
	"<a href=\"http://www.radford.edu\">Radford Univ</a>", 
	"<a href=\"http://www.radford.edu/~conf-serv/Selu.htm\">Selu Conservancy</a>", 
	"<a href=\"http://www.radford.edu/observatory/visit.html\">Contact & Visiting</a>"];

var navright = [
	"<h1>Observatory</h1>", 
	"<ul>", 
	"<li><a href=\"visit.html\">Schedule &amp; Directions</a></li>", 
	"<li><a href=\"equipment.html\">Telescope &amp; Instruments</a></li>", 
//	"<li><a href=\"research.html\">Research</a></li>", 
	"<li><a href=\"gallery.html\">Gallery & Photography</a></li>", 
	"<li><a href=\"SeluCam.html\">SeluCam</a></li>", 
//	"<li><a href=\"gallery.html\">Photo Gallery</a></li>", 
	"</ul>", 
	"<h1>Useful Links</h1>", 
	"<ul>", 
//	"<li><a href=\"http://www.weather.com/outlook/travel/businesstraveler/wxdetail/USVA0628#mainBreadbox\">Today's Weather</a></li>", 
	"<li><a href=\"http://www.intellicast.com/Local/Weather.aspx?location=USVA0628\">Weather</a></li>", 
	"<li><a href=\"http://www.intellicast.com/Local/Hourly.aspx?location=USVA0628&chart=Clouds&day=Today\">Cloud Forecast</a></li>", 
	"<li><a href=\"https://skynet.unc.edu/\">SKYNET</a></li>", 
	"<li><a href=\"http://www.aavso.org/\">AAVSO</a></li>", 
	"<li><a href=\"http://www.skymaps.com/downloads.html\">Skymaps.com</a></li>", 
//	starmap(), 
	"<li><a href=\"http://www.rcopticalsystems.com/\">RC Optical Systems</a></li>", 
	"<li><a href=\"http://customer.rcopticalsystems.com/\">RCOS Customer Support</a></li>", 
//	"<li><a href=\"http://www.bisque.com/\">SoftwareBisque, Inc.</a></li>", 
//	"<li><a href=\"http://skymaps.com/downloads.html\">Skymaps.com</a></li>", 
	"</ul>", 
	"<h1>Neat Stuff</h1>", 
	"<ul>", 
	"<li><a href=\"http://antwrp.gsfc.nasa.gov/apod/astropix.html\">Picture of the Day (NASA)</a></li>", 
	"<li><a href=\"http://www.astronomy2009.org/\">2009 Year of Astronomy</a></li>", 
	"<li><a href=\"http://planetarium.radford.edu/~planets/\">RU Planetarium</a></li>", 
	"</ul>"];

//ctl00_ctl00_LocationName
//

//var footer = [
//	"<div align=\"center\"><a href=\"http://cleardarksky.com/c/SeluObVAkey.html\"><img src=\"http://cleardarksky.com/c/SeluObVAcs0.gif?1\" /></a></div>", 
//	"<span class=\"left\">&copy; 2008 <a href=\"http://www.radford.edu/brockway\">Jack Brockway</a> </span>", 
//	"<span class=\"right\">original template by <a href=\"http://templates.arcsin.se\">Arcsin</a></span>"];

var footer = ["<table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\"><tr>", 
	"<td width=\"25%\" align=\"left\">&copy; 2008 <a href=\"http://www.radford.edu/brockway\">Jack Brockway</a> </td>", 
	"<td align=\"center\"><a href=\"http://cleardarksky.com/c/SeluObVAkey.html\"><img src=\"http://cleardarksky.com/c/SeluObVAcs0.gif?1\" /></a></td>", 
	"<td width=\"25%\" align=\"right\">original template by <a href=\"http://templates.arcsin.se\">Arcsin</a></span></td></tr></table>"];

function nav_bar(array){for(i = 0; i < array.length; i++){document.write(array[i]);}}

// OBSOLETE FUNCTIONS
/*

function psize(picnum){			
	var width = pic[picnum][pwidth];
	var height = pic[picnum][pheight];
	if(width > 700){height = Math.round(700 * height / width); width = 700;}
	return " width=\"" + width + "\" height=\"" + height + "\" ";
	}

// function starmap(){
	var currentTime = new Date();
	var month = currentTime.getMonth() + 1;
	var year = currentTime.getFullYear() - 2000;
	var montharray = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
	var monthname = montharray[month - 1];
	var file = "http://www.skymaps.com/skymaps/tesmn";
		if(year < 10){file += "0";}
		file += year;
		if(month < 10){file += "0"}
		file += month + ".pdf";
	starmap = "<a href=\"" + file + "\">" + montharray[month - 1] + " Starmap</a>";
//	}

*/