function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function showit(box) {
  document.getElementById(box).style.display="block";
}

function closeit(box) {
	document.getElementById(box).style.display="none";
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function OAvtorju (pl) {
  var w = screen.width;
  var h = screen.height;
  var ow = 300;
  var oh = 220;
  var ol = parseInt((w-ow-10)/2);
  var ot =  parseInt((h-oh-40)/2);
  if (ot < 0){ ot = 0; }

	if (!pl) { pl = ''; }
	 else { pl = '/'+pl; }
  var HTMLPopUp = window.open (pl+'/authors', 'Authors', 'width='+ow+',height='+oh+',left='+ol+',top='+ot)
}

function PopUp(URL,width,Height) {
	var HTMLPopUp = window.open (URL, 'generic_pop', 'width='+width+',height='+Height+',scrollbars=0,toolbar=0,menu=0')
}

function swapGalleryImage(img1, img2, imgUrl, ulContainer) { //v3.0
	
  var i,j=0,x,y,z; 
  
  //the big image
  x=MM_findObj(img1);
  //the small image
	y=MM_findObj(img2);
	//ul containing the images
	z=MM_findObj(ulContainer);
	
  if(x!=null && y!=null && z!=null)
  	{
  	x.src=imgUrl;

  	tmp=z.getElementsByTagName("li");
  	if (tmp!=null) {

  		for (i=0; i<tmp.length; i++) {
  			if (tmp[i].getElementsByTagName("img")!=null) {
  				tmp[i].getElementsByTagName("img")[0].className='';
  			}
  		}
  	}
  	y.className='thumb';
  }
}

function swapGalleryImage2(img1, img2, imgUrl, ulContainer, divContainer) { //v3.0
	
  var i,j=0,x,y,z,q; 
  
  //the big image
  x=MM_findObj(img1);
  //the small image
	y=MM_findObj(img2);
	//ul containing the images
	z=MM_findObj(ulContainer);
	//div containing the thumbnail
	q=MM_findObj(divContainer);
	
  if(x!=null && y!=null && z!=null)
  {
  	x.src=imgUrl;

  	tmp=z.getElementsByTagName("li");
  	if (tmp!=null) {

  		for (i=0; i<tmp.length; i++) {
  			if (tmp[i].getElementsByTagName("div")!=null) {
  				tmp[i].getElementsByTagName("div")[0].className='imgFrame';
  			}
   			if (tmp[i].getElementsByTagName("img")!=null) {
  				tmp[i].getElementsByTagName("img")[0].className='';
  			}
  		}
  	}
  	y.className='thumb';
  	q.className='imgFrameB';
  }
}

var fontdefault = 11;
var fontmin = 8;
var fontmax = 18;

function setCookie (name, value)
{
	var curCookie = name + "=" + escape(value);
	document.cookie = curCookie;
}

function getCookie (name)
{
	var dc = document.cookie;
	var prefix = name + "=";
	var begin = dc.indexOf("; " + prefix);
	if (begin == -1)
	{
		begin = dc.indexOf(prefix);
		if (begin != 0) return null;
	}
	else
	{
	    begin += 2;
	}
	var end = document.cookie.indexOf(";", begin);
	if (end == -1)
		end = dc.length;

	return unescape(dc.substring(begin + prefix.length, end));
}

var sv_odstej = 11;
var fontsetsize = 11;
function fontSize (velikost)
{
	if (document.styleSheets.length > 1) {
		if (parseInt (velikost) > fontmin && parseInt (velikost) < fontmax) {
			if (document.styleSheets[1].rules) { // IE
				for (i=0; i<document.styleSheets[1].rules.length; i++) {
					var rule = document.styleSheets[1].rules[i];
					var sv = parseInt(rule.style.fontSize);
					rule.style.fontSize = (parseInt(velikost)+sv-sv_odstej) + 'px';
				}
			}	else {
				for (i=0; i<document.styleSheets[1].cssRules.length; i++) {
					var rule = document.styleSheets[1].cssRules[i];
					var sv = parseInt(rule.style.fontSize);				
					rule.style.fontSize = (parseInt(velikost)+sv-sv_odstej) + 'px';
				}		
			}
			fontsetsize = velikost;
			sv_odstej = velikost;
			setCookie('smfont', velikost + '');				
		}
	}
}

function fontinit ()
{
	fontsetsize = parseInt (getCookie ('smfont'));
	if (!fontsetsize)	fontsetsize = fontdefault;
	fontSize (fontsetsize);
}

fontinit();