function navsoffexcept(exceptname)
{
	var navs = new Array('about','major','commensal');
	for(var i in navs)
	{
		var name = navs[i];
		if (exceptname) if (name == exceptname) continue; //don't turn off the one being turned on, if there is one
		
		var s = document.getElementById('nav_'+name);
		if (s == null) continue;
		if (!window.opera) s.innerHTML = ''; //opera doesn't do great with collapsing when innerHTML is reset. 
	}
}

function togglenav(name)
{
	navsoffexcept(name);
	var s = document.getElementById('nav_'+name);
	if (s == null) return; //catch errors
	
	if (name == 'about')
	{
		s.innerHTML = '<table class=subnav border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td> - <a href="about.htm" class="subnav">Project Description</a></td></tr><tr><td> - <a href="leadership.htm" class="subnav">Leadership</a></td></tr><tr><td> - <a href="staff.htm" class="subnav">Staff</a></td></tr><tr><td> - <a id=link_contact href="contact.htm" class="subnav">Contact Us</a></td></tr><tr><td> - <a href="news.htm" class="subnav">ROAR News</a></td></tr><tr><td> - <a href="employment.htm" class="subnav">Employment</a></td></tr><tr><td> - <a href="links.htm" class="subnav">Links</a></td></tr><tr><td> - <a href="http://www.tufts.edu/med/apua/index.html" 2target="_blank" class="subnav">APUA Home</a></td></tr><tr><td> - <a href="http://www.tufts.edu/med/apua/About_us/join&amp;Donate.html" 2target="_blank" class="subnav">Join APUA</a></td></tr></tbody></table>';
	}
	
	if (name == 'major')
	{
		s.innerHTML = '<table class=subnav border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td> - <a href="initiatives.htm" class="subnav">ROAR Database </a></td></tr><tr><td> - <a href="network.htm" class="subnav">Scientific Network </a></td></tr><tr><td> - <a href="projects.htm" class="subnav">ROAR Projects </a></td></tr></tbody></table>';
	}
	
	if (name == 'commensal')
	{
		s.innerHTML = '<table class=subnav border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td> - <a href="commensal.htm" class="subnav">For Non-Scientists </a></td></tr><tr><td> - <a href="professional.htm" class="subnav">For Scientists </a></td></tr></tbody></table>';
	}
	
}

function mr_shownav()
{
	//global mr_togglenav;
	//javascript:x=1;if(typeof window['x'] == 'undefined')alert('no'); //testing existance of globals
	
	if (typeof window['mr_togglenav'] == 'undefined') return; //not admin so no horizontal nav bar up top
	
	//closer to the layout used in the normal html, so less buggy
	
	var nav = '';
	
	//create a new "document" block
	nav += '<div style="position:absolute;top:137px;left:0px;width:100%">';
	
	//just as in the original html, place a centered 780 width table and just add 5 columns
	nav += '<table style="opacity:.80; filter:alpha(opacity=80); text-align:center;font-family:verdana;font-size:11px;" width=780 border=0 align=center cellpadding=0 cellspacing=0><tr><td><img src=images/clear.gif height=31 width=159 alt=""></td>';
	
	nav += '<td style="background-color:#EEEEEE;border: 1px #CCCCCC solid;" width=155 align=center><a class=navblack href=/ROAR/account/index.htm>My ROAR</a></td><td style="background-color:#EEEEEE;border: 1px #CCCCCC solid;" width=155 align=center><a class=navblack href=/ROAR/isolates.php>Isolate Database</a></td><td style="background-color:#EEEEEE;border: 1px #CCCCCC solid;" width=156 align=center><a class=navblack href=/ROAR/lit.php>Literature Database</a></td><td style="background-color:#EEEEEE;border: 1px #CCCCCC solid;" width=155 align=center><a class=navblack href="/ROAR/account/submit_data.htm">Submit Dataset</a></td>';
	
	nav += '</td></tr></table></div>';
	
	document.write(nav);
}


function mr_shownav_orig()
{
	//works, but buggy in some browsers
	var nav = '';
	
	nav += '<div style="position:absolute;top:0px;left:0px;"><table cellspacing=0 cellpadding=0 border=0 width=100%><tr><td align=center>';

	//
	// do the nav links...
	//
	nav += '<div id=mr_nav style="z-index:100; top:137px;left:0px; height: 31px; position:relative; width:780px;"><table align=right style="opacity:.80; filter:alpha(opacity=80); background-color:#EEEEEE;text-align:center;font-family:verdana;font-size:11px;" cellpadding=2 cellspacing=0 border=0 height=100% width=621><tr><td style="border: 1px #CCCCCC solid;" width=25%><a class=navblack href=#>My ROAR</a></td><td style="border: 1px #CCCCCC solid;" width=25%><a class=navblack href=#>Isolate Database</a></td><td style="border: 1px #CCCCCC solid;" width=25%><a class=navblack href=#>Literature Database</a></td><td style="border: 1px #CCCCCC solid;" width=25%><a class=navblack href=#>Submit Dataset</a></td></tr></table></div>';
	
	nav += '</td></tr></table></div>';
	
	document.write(nav);
}

function mr_shownav2()
{
	//called at end of document...
	mr_shownav();
}

function mr_doresize()
{
	var s = document.getElementById('mr_nav');
	s.left = 10;
	alert(s.left);
}

//value=0..10
function setOpacity(testObj,value)
{
	//firefox/safari
	testObj.style.opacity = value/10;
	//ie
	testObj.style.filter = 'alpha(opacity=' + value*10 + ')';
}

// google analytics -- part 1 of 2
var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));