var idArrScroll=new Array ( );
var maxArrS=0;
var scroll_break=1;
var cCh=0;


var time_whait=100;
var minSpeed=50;
var maxSpeed=100;
var whaitCh=0;
var axeleration=1;
var cSpeed=minSpeed;


function scroll_breaker(){
    if (scroll_break==2){
    	scroll_break=0;
    	cCh=0;
   	cSpeed=minSpeed;
    }

}







function checkIdArr(id){
	for (var i=0;i<maxArrS;i++){
		if (idArrScroll[i][0]==id)
		  return i;
	}
	idArrScroll[maxArrS]=new Array (2);
	idArrScroll[maxArrS][0]=id;
	idArrScroll[maxArrS][1]=0;
	maxArrS++;
	return maxArrS-1;
}

function chSpeed(){
	if (maxSpeed>cSpeed){
		cCh++;
			if (cCh>whaitCh){
				cCh=0;
			if (maxSpeed>cSpeed)
		  		cSpeed+=axeleration;
			if (maxSpeed<cSpeed) cSpeed=maxSpeed;
		}
	}
}


function scroll_up(id){
var retr="scroll_up('"+id+"');";
var pos=checkIdArr(id);
    idArrScroll[pos][1]-=cSpeed;
    chSpeed();
   // if(idArrScroll[pos][1]<0){
   //    idArrScroll[pos][1]=0;
   // }
   
    if(idArrScroll[pos][1]<0)
         {
          idArrScroll[pos][1]=0;
           document.getElementById("up_scroller_"+id+"").className = "arrow-up-disabled"
		  
         }
       else
        {
            document.getElementById("down_scroller_"+id+"").className = "arrow-dwn"
			
        }
   
   
    document.getElementById(id).scrollTop=idArrScroll[pos][1];
    if (scroll_break){
        setTimeout(retr, time_whait);
        scroll_break=2;
    }else
        scroll_break=1;
}





function scroll_down(id){
var retr="scroll_down('"+id+"');";
var pos=checkIdArr(id);
    idArrScroll[pos][1]+=cSpeed;
    chSpeed();
   
      if(idArrScroll[pos][1]>document.getElementById(id).scrollHeight-document.getElementById(id).clientHeight)
    {
       idArrScroll[pos][1]=document.getElementById(id).scrollHeight-document.getElementById(id).clientHeight;
       document.getElementById("down_scroller_"+id+"").className = "arrow-dwn-disabled"
    }
    else
    {
        document.getElementById("up_scroller_"+id+"").className = "arrow-up"
    }
    document.getElementById(id).scrollTop=idArrScroll[pos][1];
	
    if (scroll_break){
        setTimeout(retr, time_whait);
        scroll_break=2;
    }else
        scroll_break=1;
}



function scroll_left(id){
var retr="scroll_left('"+id+"');";
var pos=checkIdArr(id);
	idArrScroll[pos][1]-=cSpeed;
	chSpeed();
    //if(idArrScroll[pos][1]<0){
    //   idArrScroll[pos][1]=0;
   // }
   // document.getElementById(id).scrollLeft=idArrScroll[pos][1];
   
   if(idArrScroll[pos][1]<0)
    {
       idArrScroll[pos][1]=0;
       document.getElementById("left_scroller_"+id+"").className = "arrow-rew-disabled"
    }
    else
    {
        document.getElementById("right_scroller_"+id+"").className = "arrow-frw"
    }
    document.getElementById(id).scrollLeft=idArrScroll[pos][1];
   
   
    if (scroll_break){
        setTimeout(retr, time_whait);
        scroll_break=2;
    }else
        scroll_break=1;

}


function scroll_right(id){
var retr="scroll_right('"+id+"');";
var pos=checkIdArr(id);
	idArrScroll[pos][1]+=cSpeed;
	chSpeed();
   // if(idArrScroll[pos][1]>document.getElementById(id).scrollWidth-document.getElementById(id).clientWidth){
   //    idArrScroll[pos][1]=document.getElementById(id).scrollWidth-document.getElementById(id).clientWidth;
   // }
   // document.getElementById(id).scrollLeft=idArrScroll[pos][1];
   
   
    if(idArrScroll[pos][1]>document.getElementById(id).scrollWidth-document.getElementById(id).clientWidth)
    {
       idArrScroll[pos][1]=document.getElementById(id).scrollWidth-document.getElementById(id).clientWidth;
       document.getElementById("right_scroller_"+id+"").className = "arrow-frw-disabled"
    }
    else
    {
        document.getElementById("left_scroller_"+id+"").className = "arrow-rew"
    }
    document.getElementById(id).scrollLeft=idArrScroll[pos][1];
	
    if (scroll_break){
        setTimeout(retr, time_whait);
        scroll_break=2;
    }else
        scroll_break=1;
}





//===========================================================================================================
function scroll_breakerx(){
    if (scroll_break==2){
    	scroll_break=0;
    	cCh=0;
   	cSpeed=minSpeed;
    }

}

function scroll_upx(id){
var retr="scroll_upx('"+id+"');";
var pos=checkIdArr(id);
    idArrScroll[pos][1]-=cSpeed;
    chSpeed();
   // if(idArrScroll[pos][1]<0){
   //    idArrScroll[pos][1]=0;
   // }
   
    if(idArrScroll[pos][1]<0)
         {
          idArrScroll[pos][1]=0;
           document.getElementById("up_scroller_"+id+"").className = "xarrow-up-disabled"
		  
         }
       else
        {
            document.getElementById("down_scroller_"+id+"").className = "xarrow-dwn"
			
        }
   
   
    document.getElementById(id).scrollTop=idArrScroll[pos][1];
    if (scroll_break){
        setTimeout(retr, time_whait);
        scroll_break=2;
    }else
        scroll_break=1;
}





function scroll_downx(id){
var retr="scroll_downx('"+id+"');";
var pos=checkIdArr(id);
    idArrScroll[pos][1]+=cSpeed;
    chSpeed();
   
      if(idArrScroll[pos][1]>document.getElementById(id).scrollHeight-document.getElementById(id).clientHeight)
    {
       idArrScroll[pos][1]=document.getElementById(id).scrollHeight-document.getElementById(id).clientHeight;
       document.getElementById("down_scroller_"+id+"").className = "xarrow-dwn-disabled"
    }
    else
    {
        document.getElementById("up_scroller_"+id+"").className = "xarrow-up"
    }
    document.getElementById(id).scrollTop=idArrScroll[pos][1];
	
    if (scroll_break){
        setTimeout(retr, time_whait);
        scroll_break=2;
    }else
        scroll_break=1;
}