/*
*** Menu
*/
var d = document, dE = d.documentElement;

function menuHover() {
	var menuItems = d.getElementById("menu-list").getElementsByTagName("li");

	for (var i = 0, miL = menuItems.length; i < miL; i++) {
		menuItems[i].onmouseover = function() {
			this.className = "mnhover";
		}
		menuItems[i].onmouseout = function() {
			this.className = "";
		}
	}
}
window.onload = function(e) {
	if (d.getElementById) {
		if (d.all) {
			menuHover();
		}
	}
}
/*
*** Zarovnani na stred
*/

function Center(wid, heig)
  {
  	var screenW = 1024, screenH = 768;
  	
  	if (parseInt(navigator.appVersion)>3) {
  	 screenW = screen.width;
  	 screenH = screen.height;
  	}
  	else if (navigator.appName == "Netscape" && parseInt(navigator.appVersion)==3 && navigator.javaEnabled()) 
  	{
  		 var jToolkit = java.awt.Toolkit.getDefaultToolkit();
  		 var jScreenSize = jToolkit.getScreenSize();
  		 screenW = jScreenSize.width;
  		 screenH = jScreenSize.height;
  	}
  
  	var xMax = screenW, yMax=screenH;
  
  	if (heig > 630) heig = 630;
  	if (wid > 950) wid = 950;
  	var xOffset = (xMax - (wid))/2 - 25, yOffset = (yMax -(heig+50+54))/2 - 10;
  	
  	var window = document.getElementById('galerie');
  	
  	window.style.top = yOffset+'px';
  	window.style.left = xOffset+'px';
  	
   }


/*
***  Prolínání obrázků
*/

/**/
window.addEventListener?window.addEventListener("load",so_init,false):window.attachEvent("onload",so_init);

var d=document, imgs = new Array(), zInterval = null, current=0, pause=false;

function so_init() {
	if(!d.getElementById || !d.createElement)return;
	
	imgs = d.getElementById("obr").getElementsByTagName("img");
	for(i=1;i<imgs.length;i++) imgs[i].xOpacity = 0;
	imgs[0].style.display = "block";
	imgs[0].xOpacity = .99;
	
	setTimeout(so_xfade,10000);
}

function so_xfade() {
	cOpacity = imgs[current].xOpacity;
	nIndex = imgs[current+1]?current+1:0;
	nOpacity = imgs[nIndex].xOpacity;
	
	cOpacity-=.05; 
	nOpacity+=.05;
	
	imgs[nIndex].style.display = "block";
	imgs[current].xOpacity = cOpacity;
	imgs[nIndex].xOpacity = nOpacity;
	
	setOpacity(imgs[current]); 
	setOpacity(imgs[nIndex]);
	
	if(cOpacity<=0) {
		imgs[current].style.display = "none";
		current = nIndex;
		setTimeout(so_xfade,10000);
	} else {
		setTimeout(so_xfade,100);
	}
	
	function setOpacity(obj) {
		if(obj.xOpacity>.99) {
			obj.xOpacity = .99;
			return;
		}
		obj.style.opacity = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		obj.style.filter = "alpha(opacity=" + (obj.xOpacity*100) + ")";
	}
	
}