var W3CDOM = (document.createElement && document.getElementsByTagName);
var timerID;
var posuv = 575;
var posuv2 = 334;
window.onload = all;
function all()
{
	       if (!W3CDOM) return;   
	       var nav = document.getElementById('menu');
	       var as =  nav.getElementsByTagName('a');  
	       for (var i=0;i<as.length;i++)
	       {
	       var classa = as[i].parentNode.parentNode.className;
	       if(classa==' active'){}else{
	        as[i].number = i;
	        as[i].onmouseover = highLI;  
	        as[i].onmouseout = darkLI;
	       }
	  	   } 
	  	   if(document.getElementById('back')){   
         var back = document.getElementById('back');
         back.onclick = moveback;
         back.style.display = 'none';
         }
	  	   if(document.getElementById('ffwd')){
         var ffwd = document.getElementById('ffwd');
         ffwd.onclick = moveffwd;
         checkEnds();
         }    
         
	  	   if(document.getElementById('back2')){   
         var back2 = document.getElementById('back2');
         back2.onclick = moveback2;
         back2.style.display = 'none';
         }
	  	   if(document.getElementById('ffwd2')){
         var ffwd2 = document.getElementById('ffwd2');
         ffwd2.onclick = moveffwd2;
         checkEnds2();
         }               
          
}
function checkEnds(){
 var cinema = document.getElementById('cinema');
 var actualmargin = cinema.offsetLeft;
 var back = document.getElementById('back');
 var backnone = document.getElementById('backnone'); 
 var ffwd = document.getElementById('ffwd'); 
 var ffwdnone = document.getElementById('ffwdnone'); 
 if(actualmargin >= 0){ 
  backnone.style.display = 'block'; 
  back.style.display = 'none'; 
  } 
  else { 
  back.style.display = 'block'; 
  backnone.style.display = 'none';
  }
 if(actualmargin <= ((cinema.offsetWidth*-1)+1180)) { 
 ffwd.style.display = 'none'; 
 ffwdnone.style.display = 'block';
 } else { 
 ffwd.style.display = 'block';
 ffwdnone.style.display = 'none';
 }
 }

function  hideHack(){
 var bigcinema = document.getElementById('bigcinema');
 var actualmargin = bigcinema.offsetLeft;
 var back2 = document.getElementById('back2');
 var backnone2 = document.getElementById('backnone2'); 
 var ffwd2 = document.getElementById('ffwd2'); 
 var ffwdnone2 = document.getElementById('ffwdnone2');  
  backnone2.style.display = 'block'; 
  back2.style.display = 'none'; 
  ffwd2.style.display = 'none'; 
  ffwdnone2.style.display = 'block';
}

function checkEnds2(){
 var bigcinema = document.getElementById('bigcinema');
 var actualmargin = bigcinema.offsetLeft;
 var back2 = document.getElementById('back2');
 var backnone2 = document.getElementById('backnone2'); 
 var ffwd2 = document.getElementById('ffwd2'); 
 var ffwdnone2 = document.getElementById('ffwdnone2'); 
 if(actualmargin >= 0){ 
  backnone2.style.display = 'block'; 
  back2.style.display = 'none'; 
  } 
  else { 
  back2.style.display = 'block'; 
  backnone2.style.display = 'none';
  }
 if(actualmargin <= ((bigcinema.offsetWidth*-1)+334)) { 
 ffwd2.style.display = 'none'; 
 ffwdnone2.style.display = 'block';
 } else { 
 ffwd2.style.display = 'block';
 ffwdnone2.style.display = 'none';
 }
 }
 
function moveback(){
 var cinema = document.getElementById('cinema');
 var actualmargin = cinema.offsetLeft;
 var newmargin = actualmargin + posuv;
 moveright(newmargin);
 return false;
}
function moveback2(){
 var bigcinema = document.getElementById('bigcinema');
 var actualmargin = bigcinema.offsetLeft;
 var newmargin = actualmargin + posuv2;
 moveright2(newmargin);
 hideHack();
 return false;
}
function moveffwd(){
 var cinema = document.getElementById('cinema');
 var actualmargin = cinema.offsetLeft;
 var newmargin = actualmargin - posuv;
 moveleft(newmargin);
 return false;
}
function moveffwd2(){
 var bigcinema = document.getElementById('bigcinema');
 var actualmargin = bigcinema.offsetLeft;
 var newmargin = actualmargin - posuv2;
 moveleft2(newmargin);
 hideHack(); 
 return false;
}
function moveleft(newmargin){
 var cinema = document.getElementById('cinema');
 var actualmargin = cinema.offsetLeft; 
 stepleft = actualmargin - 50;
 cinema.style.marginLeft = stepleft + 'px';
 if(cinema.offsetLeft > newmargin){
 setTimeout("moveleft("+newmargin+")",1);
 }
 else{
 cinema.style.marginLeft = newmargin + 'px';
 checkEnds();
 }
}
function moveleft2(newmargin){
 var bigcinema = document.getElementById('bigcinema');
 var actualmargin = bigcinema.offsetLeft;
 //alert(bigcinema.style.marginLeft); 
 stepleft = actualmargin - 10;
 bigcinema.style.marginLeft = stepleft + 'px';
 if(bigcinema.offsetLeft > newmargin){
 setTimeout("moveleft2("+newmargin+")",1);
 }
 else{
 bigcinema.style.marginLeft = newmargin + 'px';
 checkEnds2();
 }
}
function moveright(newmargin){
 var cinema = document.getElementById('cinema');
 var actualmargin = cinema.offsetLeft; 
 stepleft = actualmargin + 50;
 cinema.style.marginLeft = stepleft + 'px';
 if(cinema.offsetLeft < newmargin){
 setTimeout("moveright("+newmargin+")",1);
 }
 else{
 cinema.style.marginLeft = newmargin + 'px';
 checkEnds(); 
 }
}
function moveright2(newmargin){
 var bigcinema = document.getElementById('bigcinema');
 var actualmargin = bigcinema.offsetLeft; 
 stepleft = actualmargin + 10;
 bigcinema.style.marginLeft = stepleft + 'px';
 if(bigcinema.offsetLeft < newmargin){
 setTimeout("moveright2("+newmargin+")",1);
 }
 else{
 bigcinema.style.marginLeft = newmargin + 'px';
 checkEnds2(); 
 }
}
function highLI(){ 
	       var nav = document.getElementById('menu');
	       var as =  nav.getElementsByTagName('a');  
         var em = as[this.number].parentNode.parentNode.getElementsByTagName('em');
	       em[0].style.color = '#fff';
	       
}
function darkLI(){
	       var nav = document.getElementById('menu');
	       var as =  nav.getElementsByTagName('a');        
	       var em = as[this.number].parentNode.parentNode.getElementsByTagName('em');
	       em[0].style.color = '#807e94';
}