var All = 1;
var OneImgWidth= -213;
var speed = 10;
var gerz = 10;
var m = new Array(0,(OneImgWidth*All));
var t = new Array();

var staranLeft = 0;
var starWheel = 1;

function wheel(event)
{
	
		var wheelDelta = 0;
		var step = 300;	
		var staran = OneImgWidth*(document.getElementById('imgIn').getElementsByTagName('img').length);
		
		if (!event){event = window.event;}
		if (event.wheelDelta){wheelDelta = event.wheelDelta/120;}else if (event.detail){wheelDelta = -event.detail/3;}
		if (wheelDelta & starWheel != 0){
			if(wheelDelta>0){wheelDelta=1;}else{wheelDelta=-1;}			
			if(wheelDelta == 1 && (m[0]+OneImgWidth*All) >= ((document.getElementById('imgIn').getElementsByTagName('a').length-4)*OneImgWidth)){					
				next();		
			}else if(wheelDelta == -1 &  m[0]<=0){				
				beck();
			}		   
		}
		if (event.preventDefault){event.preventDefault();blockEvent(event);}
		event.returnValue = false;
	
}
function nowwork(){
document.getElementById('BotLeft').onclick = function(){}
document.getElementById('BotRight').onclick = function(){}
}
function nawWhot(){
	var thisYter = document.getElementById('BotLeft');

	if(m[0]>=0){					
			thisYter.style.display='none';			
		}else{
			thisYter.style.display='';	
		}		
	var thisYter = document.getElementById('BotRight');	
		if((m[0]+OneImgWidth*All)<=((document.getElementById('imgIn').getElementsByTagName('a').length-3)*OneImgWidth)){			
			thisYter.style.display='none';
		}else{
			thisYter.style.display='';			
		}
}

function next(){	
	var staran = document.getElementById('imgIn').getElementsByTagName('a').length;	
	if(staran>All){		
		if((staran*OneImgWidth)>(m[1]+OneImgWidth*All*2)){				
			if(m[0]!=0){m[1] = staran*OneImgWidth + (-1)*(All*OneImgWidth)
			}		
		}else if(m[0]!=0){			
			m[1]+=OneImgWidth*All
		}
		if((staran*OneImgWidth)>(m[1]+OneImgWidth*All)){
			m[1] = staran*OneImgWidth + (-1)*All*OneImgWidth
		}		
		starWheel = 0;
		nowwork()
		nextGO()
	}	
}
function nextGO(){
	m[0]+=-gerz;										
	document.getElementById('imgIn').style.left = m[0]+"px";	
	t[0] = setTimeout("nextGO()",speed);
	if (m[0]*(-1)>m[1]*(-1)){clearTimeout(t[0]);m[0]=m[1];document.getElementById('imgIn').style.left = m[1]+"px";nawWhot();starWheel = 1; nastroiki();}									
}

function beck(){	
	var staran = document.getElementById('imgIn').getElementsByTagName('a').length;	
	if(staran>All & m[0]<0){	
		if(m[1]+(-1)*All*OneImgWidth>0){
			m[1] = OneImgWidth*All;
		}	
		starWheel = 0;
		nowwork()
		beckGO()
	}
}
function beckGO() {	
	m[0]+=gerz;										
	document.getElementById('imgIn').style.left = m[0]+"px";	
	t[0] = setTimeout("beckGO()",speed);
	if (m[0]>m[1]-OneImgWidth*All){clearTimeout(t[0]);document.getElementById('imgIn').style.left = (m[1]-OneImgWidth*All)+"px"; nawWhot();starWheel = 1; nastroiki(); m[1]=m[1]-All*OneImgWidth;}									
}

function nastroiki(){
	
	document.getElementById('BotRight').onclick = function(){next()}
	document.getElementById('BotLeft').onclick = function(){beck()}			
	nawWhot();
	if (window.addEventListener) {
		document.getElementById('imgOut').addEventListener("DOMMouseScroll", wheel ,false);
	}
	document.getElementById('imgOut').onmousewheel = wheel;
}

window.onload = function(){	
	nastroiki()
}