var W3CDOM = (document.createElement && document.getElementsByTagName);
window.onload = init;

function init()
{
	       if (!W3CDOM) return;
	       new_window_link();
	       //targetBlank();
	       table();
	       open2();
	       var nav = document.getElementById('menu');
	       var as=  nav.getElementsByTagName('a');
	       for (var i=0;i<as.length;i++)
	       {
	       if(as[i].parentNode.tagName == 'LI'){
	  	   var span =  as[i].parentNode.getElementsByTagName('SPAN');
	  	    for (var y=0;y<span.length;y++)
	        {
	        if(span[y].getElementsByTagName('A').length > 0){
	        as[i].number = i;	
	        as[i].onclick = test2; 	
	        }
    	    }
	  	   }
	       }
	       
	       
}

function open2(){
     if(document.getElementById('open2b')){
	   document.getElementById('open2b').onclick = doopen2; 	
     } 
     if(document.getElementById('open2a')){
	   document.getElementById('open2a').onclick = doclose2; 	
     }    
     if(document.getElementById('open3b')){
	   document.getElementById('open3b').onclick = doopen3; 	
     } 
     if(document.getElementById('open3a')){
	   document.getElementById('open3a').onclick = doclose3; 	
     }        
}
function doopen2(){
	   document.getElementById('divopen2a').style.display = "block";
	   document.getElementById('divopen2b').style.display = "none";
	       return false;
}
function doclose2(){
	   document.getElementById('divopen2a').style.display = "none";
	   document.getElementById('divopen2b').style.display = "block";
	       return false;
}
function doopen3(){
	   document.getElementById('divopen3a').style.display = "block";
	   document.getElementById('divopen3b').style.display = "none";
	       return false;
}
function doclose3(){
	   document.getElementById('divopen3a').style.display = "none";
	   document.getElementById('divopen3b').style.display = "block";
	       return false;
}
function slideExcept2(x){
     
  	  var nav = document.getElementById('menu');
	    var as =  nav.getElementsByTagName('a');
	       
      for (var i=0;i<(as.length);i++) 
	    {
	    
       if(as[i].parentNode.tagName == 'SPAN'){       
       as[i].className = 'noclick';
       }
	    
           if(i == x){
	         }
	         else{
                var spans = as[i].parentNode.getElementsByTagName('SPAN'); 
                
                for (var w=0;w<spans.length;w++)
	              {
	              var ems = spans[w].getElementsByTagName('em');
                for (var e=0;e<ems.length;e++)
	              {  
                ems[e].style.display = 'none';
                ems[e].parentNode.style.marginBottom = 0 + 'em'; 
                var parenta = ems[e].parentNode.getElementsByTagName('a');
                for (var p=0;p<parenta.length;p++){
                parenta[p].className = 'back';
                }
                }
	              if(parseInt(spans[0].style.height) > 0){
                     spans[0].style.display = 'none';
                     spans[0].style.height = 0;
                     
                }
           }
        }
      }
	         
}

function test2(nr,direction){

                   
          if(nr>=0)
          {this.number = nr;}
          else{
          var x = this.number;
          slideExcept2(this.number);
          }
          var nav = document.getElementById('menu');
	        var as =  nav.getElementsByTagName('a');      
          var spans = as[this.number].parentNode.getElementsByTagName('SPAN'); 
          var aheights = spans[0].getElementsByTagName('a');  
                 
          //pokud v html receno, ze ma byt zobrazen
           if(spans[0].className == "opened") {
           vyska = (aheights.length * 1.25);           
           if(spans[0].style.height == ""){spans[0].style.height = vyska + "em";}
           spans[0].style.display = 'block';
           spans[0].style.overflow = 'hidden';


           //pokud kliknuto na uz zobrazeny - zaviram
           if(parseFloat(spans[0].style.height) > 0.2){  
           
           spans[0].style.height = parseInt(spans[0].style.height) - 1 + "em";
           nr = this.number;
           direction = 0;
           setTimeout("test2("+nr+","+direction+")",10);
           }
           else{      
           spans[0].style.display = 'none';
           spans[0].style.height = 0;
           spans[0].className = "none";
           
           }
          
          
          }
          
          // pokud neni ovlivnen html
          else{ 
          
          if(spans[0].style.display == ""){spans[0].style.display = "none";}
          if(spans[0].style.height == ""){spans[0].style.height = 0 + "em";}
          
          
          //pokud je zavreny - oteviram
        	if((spans[0].style.display == "none")||(direction == 1)){
        	
          spans[0].style.display = 'block';
          spans[0].style.overflow = 'hidden';
          as[this.number].className = 'click';
          var vyska = (aheights.length * 1.25);

          // neni otevren uplne
          
          if(parseFloat(spans[0].style.height) < vyska){ 
                                
                        spans[0].style.height = (parseFloat(spans[0].style.height) + 1) + "em";           
                        nr = this.number;
                        direction = 1;                       
                        setTimeout("test2("+nr+","+direction+")",10);
                        
          }   
          // uz je otevrenej dost  
          else{
          spans[0].style.height = vyska + "em";
          }
          } 
          
          //pokud je otevreny - zaviram
           else{

           if(parseInt(spans[0].style.height) > 0){
           var ems = spans[0].getElementsByTagName('em');
          
                for (var e=0;e<ems.length;e++)
	              {  
                ems[e].style.display = 'none';
                }
           spans[0].style.height = parseFloat(spans[0].style.height) - 1 + "em";
           as[this.number].className = 'noclick';
           nr = this.number;
           direction = 0;
           setTimeout("test2("+nr+","+direction+")",10);
           }
           else{
           
           // uplne schovam
           spans[0].style.display = 'none';
           spans[0].style.height = 0;
           as[this.number].className = 'noclick';
           }
          }
    }
    return false;
           
}
      var path_to_icon 		= 'http://www.nemoletenky.cz/images/icon.gif';
			 var link_alt_text 		= 'Otevřít odkaz v novém okně';
			 var link_title_text 	= 'Otevřít odkaz v novém okně';

			function new_window_link() {
			  
				if (!document.getElementById || !document.createTextNode || !document.domain || !document.getElementById('text') || document.getElementById('nopop')  ) return;
				
        var text = document.getElementById('text');
        var linx = text.getElementsByTagName('a');
       
				for (var i = 0; i < linx.length; i++) {
        
					// just for off-site links
					
			    if(linx[i].protocol == 'http:'){
					if (linx[i].href.split('/')[2].replace(/www\./, '') != document.domain.replace(/www\./, '')
						&& !linx[i].getAttribute('target')
						&& !linx[i].parentNode.id.match(/^copy/)) {

						// create new elements
						var nwl = document.createElement('a');
						var nwl_image = document.createElement('img');
						var space = document.createTextNode(' ');

						// setup image attributes
						nwl_image.setAttribute('src', path_to_icon);
						nwl_image.setAttribute('alt', link_alt_text);
						nwl_image.setAttribute('title', link_title_text);

						// set link attributes
						nwl.setAttribute('href', linx[i].getAttribute('href'));
						nwl.setAttribute('target', '_blank');
						nwl.setAttribute('title', link_title_text);
						nwl.className = 'new_window_link';

						// append new elements
						nwl.appendChild(nwl_image);
						linx[i].parentNode.insertBefore(space, linx[i].nextSibling);
						linx[i].parentNode.insertBefore(nwl, linx[i].nextSibling.nextSibling);
					}
				}
			
				}
			}
  
function table()
{
	       if (!W3CDOM) return;
	       var tr =  document.getElementsByTagName('tr');
	       for (var i=0;i<tr.length;i++)
	       {
	        tr[i].number = i;
	        tr[i].onmouseover = doit;       
          tr[i].onmouseout = doitback; 
	  	    }
	return false;
}

function doit(){
    number = this.number;
    var tr =  document.getElementsByTagName('tr');
    tr[number].style.background = "#efefef";
}

function doitback(){
    number = this.number;
    var tr =  document.getElementsByTagName('tr');
    tr[number].style.background = "transparent"; 
}