var downLayerId; 
var dropDegree = 20; 
var doDirect; 
var DirectTerm = 3000;
var curDropIdx = 0; 
var movewidth = 0;
var Moving;
var disDiv = 0;
var bName = navigator.appName;

function DirectLeft(){ 
    movewidth = 30;

	document.getElementById('btnRight').onclick=null;
	document.getElementById('btnLeft').onclick=null;
	
    if (document.getElementById('sub_content1').style.visibility == "visible")
    {
        disDiv = 1;
    }
    else
    {
        disDiv = 2;
    }
        
	document.getElementById('sub_content1').style.visibility = "visible";
	document.getElementById('sub_content2').style.visibility = "visible";

	
	if (NS4)  // 파폭
	{
		Moving = setInterval('RightMove('+disDiv+')',0);
	}
	else   // 익스
	{
		Moving = setInterval('RightMove('+disDiv+')',20);
	}

} 


function DirectRight(){ 

    movewidth = 30;
	document.getElementById('btnLeft').onclick=null;
	document.getElementById('btnRight').onclick=null;

    if (disDiv == 1)
    {
        disDiv = 0;
    }
    else
    {
        disDiv = 1;
    }
    
	document.getElementById('sub_content1').style.visibility = "visible";
	document.getElementById('sub_content2').style.visibility = "visible";

	clearInterval(doDirect); 
	clearInterval(downLayerId); 

	if (NS4)  // 파폭
	{
		Moving = setInterval('LeftMove('+disDiv+')',0);
	}
	else   // 익스
	{
		Moving = setInterval('LeftMove('+disDiv+')',20);
	}

} 

function RightMove(num){ 
    movewidth = movewidth + 30;
    if (num==1)
    {
        document.getElementById('sub_content1').style.left = movewidth;
        document.getElementById('sub_content2').style.left = movewidth-840;
    }
    else
    {
        document.getElementById('sub_content2').style.left = movewidth;
        document.getElementById('sub_content1').style.left = movewidth-840;
    }
    if (movewidth==840)
    {
        if (num==1)
        {
            document.getElementById('sub_content1').style.visibility = "hidden";
			document.getElementById('btnRight').onclick = function(){DirectLeft();}; 
			document.getElementById('btnLeft').onclick = function(){DirectRight();}; 
        }
        else
        {
            document.getElementById('sub_content2').style.visibility = "hidden";
			document.getElementById('btnRight').onclick = function(){DirectLeft();};
			document.getElementById('btnLeft').onclick = function(){DirectRight();}; 			
        }
        
        clearInterval(Moving);
    }
} 

function LeftMove(num){ 
    movewidth = movewidth + 30;
    
    
    if (num==1)
    {
        document.getElementById('sub_content2').style.left = 840 - movewidth;
        document.getElementById('sub_content1').style.left = - movewidth;
    }
    else
    {
        document.getElementById('sub_content1').style.left = 840 - movewidth;
        document.getElementById('sub_content2').style.left = - movewidth;
    }
    
    if (movewidth==840)
    {
        if (num==1)
        {
            document.getElementById('sub_content1').style.visibility = "hidden";
			document.getElementById('btnLeft').onclick = function(){DirectRight();}; 
			document.getElementById('btnRight').onclick = function(){DirectLeft();};
		}
        else
        {
            document.getElementById('sub_content2').style.visibility = "hidden";
			document.getElementById('btnLeft').onclick = function(){DirectRight();}; 
			document.getElementById('btnRight').onclick = function(){DirectLeft();};
        }

        clearInterval(Moving);
    }
}