var gallMaxPics = 5;
/*
function noJs()
	{
	document.getElementById('noJsWarning').style.display='none'; 
	}
*/
function siteNameShow()
	{
	document.getElementById('divSiteTagline').style.display='block';
	document.getElementById('divSiteServices').style.display='block';
	}
function siteNameHide()
	{
	document.getElementById('divSiteTagline').style.display='none';
	document.getElementById('divSiteServices').style.display='none';
	}
function toggleBox(a)
	{
	if(document.getElementById(a).style.display='none')
		{
		document.getElementById(a).style.display='block';
		}
	else if(document.getElementById(a).style.display='block')
		{
		document.getElementById(a).style.display='none';
		}
	}

function showGlassHour()
	{
	document.getElementById('glassHour').style.display='block';
	}
function hideGlassHour()
	{
	document.getElementById('glassHour').style.display='none';	
	}
	
function prevBgPic()
	{
	showGlassHour();
	x = document.getElementById("bgPic").src;
	/* split the picture path in path & filename */
	path = x.substring(0,(x.lastIndexOf("/")+1));
	fileNumber = parseFloat(x.substring(x.lastIndexOf("/")+1,x.lastIndexOf(".")));
	/* if this is the first image, prevent errors */
	if(z != 1)
		{
		z= fileNumber - 1;
		}
	else
		{
		document.getElementById("bgPic").onload = function() 
			{
			hideGlassHour();
			}				
		}
	document.getElementById("bgPic").src = path + z +".jpg";
	document.getElementById("bgPic").onload = function() {
		hideGlassHour();
		}
	/*update progress bar */
	document.getElementById('progressBar').innerHTML=z+'/'+gallMaxPics;
	}
function nextBgPic()
	{
	showGlassHour();
	x = document.getElementById("bgPic").src;
	/* split the picture path in path & filename */
	path = x.substring(0,(x.lastIndexOf("/")+1));
	fileNumber = parseFloat(x.substring(x.lastIndexOf("/")+1,x.lastIndexOf(".")));
	if(fileNumber >= gallMaxPics)
		{z= fileNumber;
		// must hide NEXT button
		// hideThis('bgPicNext');
		document.getElementById("bgPic").onload = function() 
			{
			hideGlassHour();
			}		
		}
	else
		{z= fileNumber + 1;}
	document.getElementById("bgPic").src = path + z +".jpg";
	document.getElementById("bgPic").onload = function() {
		hideGlassHour();
		}
	/*update progress bar */
	document.getElementById('progressBar').innerHTML=z+'/'+gallMaxPics;
	//alert(z);
	}

function hideThis(element)
	{
	document.getElementById(element).style.display='none';
	}

function showSiteNav()
	{
	/* show prev/next only if we are in an image folder */
	str = document.getElementById("bgPic").src;
	if((str.search(/travel/i)< 0) && (str.search(/people/i)< 0) && (str.search(/sport/i)< 0) && (str.search(/nature/i)< 0))
		{
		// we are in /pics, do not show prev/next
		// show only language navigation. And show it only on the main page, not in the picture sections
		document.getElementById('langMenu').style.display='block';
		}
	else
		{
		//alert(path);
		document.getElementById('bgPicPrev').style.display='block';
		document.getElementById('bgPicNext').style.display='block';
		document.getElementById('progressDiv').style.display='block';
		document.getElementById('langMenu').style.display='none';
		}
	}
	
function hideSiteNav()
	{
	document.getElementById('bgPicPrev').style.display='none';
	document.getElementById('bgPicNext').style.display='none';
	document.getElementById('progressDiv').style.display='none';
	document.getElementById('langMenu').style.display='none';
	}		

/* for navigation menu */	
var rem=0
var t
function startT(t)
	{
	rem = t
	timedCount()
	}
 
function timedCount()
	{
	if(rem==0)
		{
/*		document.getElementById("output").innerHTML = "Time over."	*/
		hideSiteNav();
		return 
		}
/*	document.getElementById("output").innerHTML = "Time Remaining: " + rem + " msecs."; */
	showSiteNav();
	rem = rem - 1
	t = setTimeout("timedCount()",100)
	}

	
	
function setPicsSection(path)
	{
	// when the function is called, it changes path of the background picture, and sets the picture number to 0
	//showGlassHour();
	y = '/pics/' + path + '/1.jpg';
	document.getElementById("bgPic").src = y;
	//document.getElementById("bgPic").onload = function() {
	//	hideGlassHour();
	//	}	
	/* reset the progress bar */
	//alert(y);
	document.getElementById('progressBar').innerHTML = '1/'+gallMaxPics;		
	}