var nameOf = 0;		

var OneImgWidth= -538;

var m = new Array(0,OneImgWidth);

var t = new Array();

var menuPlassVar=1;

var starWheel = 1;



function wheel(event)

{

	

		var wheelDelta = 0;

		var step = 300;	

		var staran = OneImgWidth*(document.getElementById('BigDiv').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[1] != staran){

				

				next();		

			}else if(wheelDelta == -1 & m[0]!=0){

				beck();

			}		   

		}



		if (event.preventDefault)

		{

			event.preventDefault();

			blockEvent(event);

		}

		event.returnValue = false;

		

	

}

function nowwork(){

document.getElementById('next').onclick = function(){}

document.getElementById('beck').onclick = function(){}



}

function nawWhot(){

	var thisYter = document.getElementById('beck');

	if(m[0]==0){

			thisYter.onclick = function(){}			

			thisYter.className='nowSeLekt';			

		}else{

			thisYter.onclick = function(){beck()}

			thisYter.className='';

		}

	var thisYter = document.getElementById('next');	

	if(m[1]==(OneImgWidth*(document.getElementById('BigDiv').getElementsByTagName('img').length))){

			thisYter.onclick = function(){}			

			thisYter.className='nowSeLekt';

		}else{

			thisYter.onclick = function(){next()}

			thisYter.className='';

		}

}

function next(hhtrt) {	



	nowwork()

	starWheel = 0;

	m[0]+=-40;										

	document.getElementById('BigDiv').style.left = m[0]+"px";	

	t[0] = setTimeout("next("+hhtrt+")",10);

	if (m[0]*(-1)>m[1]*(-1)){document.getElementById('BigDiv').style.left = m[1]+"px";clearTimeout(t[0]); m[0]=m[1];m[1]+=OneImgWidth;nawWhot();starWheel = 1; menuPlassVar++;gerElement(); if(hhtrt!=1 && hhtrt){hhtrt-=1;next(hhtrt)};}									

}

function beck(hhtrt) {	

	nowwork()

	starWheel = 0;

	m[0]+=40;										

	document.getElementById('BigDiv').style.left = m[0]+"px";	

	t[0] = setTimeout("beck("+hhtrt+")",10);

	if (m[0]>m[1]-OneImgWidth*2){document.getElementById('BigDiv').style.left = (m[1]-OneImgWidth*2)+"px";clearTimeout(t[0]); m[0]=m[1]+OneImgWidth*(-2);m[1]=m[1]+OneImgWidth*(-1);nawWhot();starWheel = 1;menuPlassVar--; gerElement(); if(hhtrt!=1 && hhtrt){hhtrt-=1; beck(hhtrt)};}									

}

function gerElement(){

	var chisloImgard = document.getElementById('BigDiv').getElementsByTagName('img').length;	

	for(var i=1;i<(chisloImgard+1);i++){

		document.getElementById(('ok'+i)).className = '';	

	}

	document.getElementById(('ok'+menuPlassVar)).className = 'selekted'; 

	

}



function nastroiki(){	
	
	var chisloImgard = document.getElementById('BigDiv').getElementsByTagName('img').length;	
	
	for(var i=1;i<=chisloImgard;i++){

		document.getElementById(('ok'+i)).name = i;

		document.getElementById(('ok'+i)).onclick=function(){	
		
		document.getElementById('zagrada').style.display = '';

			if(menuPlassVar<parseInt(this.name)){

				next(parseInt(this.name)-menuPlassVar)

				document.getElementById('zagrada').style.display = 'none';

			}			

			if(menuPlassVar>parseInt(this.name)){		

			 

				beck(menuPlassVar-parseInt(this.name))

				document.getElementById('zagrada').style.display = 'none';

			}

		}

	}

	document.getElementById('next').onclick = function(){next()}

	document.getElementById('beck').onclick = function(){beck()}			

	nawWhot();

	if (window.addEventListener) {

		document.getElementById("BigDiv").addEventListener("DOMMouseScroll", wheel ,false);

	}

	document.getElementById("BigDiv").onmousewheel = wheel;

}



window.onload = function(){
	

nastroiki()
	}