var scroll_top=230;
	var scroll_height=20;    	//세로길이 
	var scroll_speed=5;    		//이동속도 
	var scroll_delay=2000;    	//지연시간 
	var scroll_buy_layer=0;    	//레이어갯수 
	var scroll_sell_layer=0;    	//레이어갯수

	function scroll_buy_ready() 
	{ 
		if(scroll_buy_layer>=5) {
			for(var i=0;i<5;i++) {
				document.getElementById('b'+i).style.top = scroll_top + (scroll_height * i);
				document.getElementById('b'+i).style.visibility = 'visible';
			}
		} else {
			for(var i=0;i<scroll_buy_layer;i++) {
				document.getElementById('b'+i).style.top = scroll_top + (scroll_height * i);
				document.getElementById('b'+i).style.visibility = 'visible';
			}		
		}

		if(scroll_buy_layer>5) {
			setTimeout('mov_buy(1)',scroll_delay);
		} 
	} 

	function mov_buy(no1)  
	{  

		if(no1>(scroll_buy_layer-6)) {

			document.getElementById('b'+(no1-1)).style.visibility = 'hidden';
			for(var i=no1;i<scroll_buy_layer;i++) {
				document.getElementById('b'+i).style.top = scroll_top + (scroll_height * (i-no1));
				document.getElementById('b'+i).style.visibility = 'visible';
			}
			for(var i=0;i<(no1-(scroll_buy_layer-5));i++) {
				document.getElementById('b'+i).style.top = scroll_top + (scroll_height * (5-(no1-(scroll_buy_layer-5))+i));
				document.getElementById('b'+i).style.visibility = 'visible';
			}

		} else {

			if(no1==0) {
				document.getElementById('b'+(scroll_buy_layer-1)).style.visibility = 'hidden';
			} else {
				document.getElementById('b'+(no1-1)).style.visibility = 'hidden';
			}

			for(var i=no1;i<(no1+5);i++) {
				document.getElementById('b'+i).style.top = scroll_top + (scroll_height * (i-no1));
				document.getElementById('b'+i).style.visibility = 'visible';
			}

		}

		if(scroll_buy_layer>5) {

			if(no1==(scroll_buy_layer-1)) {
				setTimeout('mov_buy(0)', scroll_delay);
			} else {
				setTimeout('mov_buy('+(no1+1)+')', scroll_delay);  
			}
		}
			
	}  
	
	
	function scroll_sell_ready() 
	{ 
	
		if(scroll_sell_layer>=5) {
			for(var i=0;i<5;i++) {
				document.getElementById('s'+i).style.top = scroll_top + (scroll_height * i);
				document.getElementById('s'+i).style.visibility = 'visible';
			}
		} else {
			for(var i=0;i<scroll_sell_layer;i++) {
				document.getElementById('s'+i).style.top = scroll_top + (scroll_height * i);
				document.getElementById('s'+i).style.visibility = 'visible';
			}		
		}	

		if(scroll_sell_layer>5) {
			setTimeout('mov_sell(1)',scroll_delay+1000);
		} 
	} 

	function mov_sell(no1)  
	{  


		if(no1>(scroll_sell_layer-6)) {

			document.getElementById('s'+(no1-1)).style.visibility = 'hidden';
			for(var i=no1;i<scroll_sell_layer;i++) {
				document.getElementById('s'+i).style.top = scroll_top + (scroll_height * (i-no1));
				document.getElementById('s'+i).style.visibility = 'visible';
			}
			for(var i=0;i<(no1-(scroll_sell_layer-5));i++) {
				document.getElementById('s'+i).style.top = scroll_top + (scroll_height * (5-(no1-(scroll_sell_layer-5))+i));
				document.getElementById('s'+i).style.visibility = 'visible';
			}

		} else {

			if(no1==0) {
				document.getElementById('s'+(scroll_sell_layer-1)).style.visibility = 'hidden';
			} else {
				document.getElementById('s'+(no1-1)).style.visibility = 'hidden';
			}

			for(var i=no1;i<(no1+5);i++) {
				document.getElementById('s'+i).style.top = scroll_top + (scroll_height * (i-no1));
				document.getElementById('s'+i).style.visibility = 'visible';
			}

		}

		if(scroll_sell_layer>5) {

			if(no1==(scroll_sell_layer-1)) {
				setTimeout('mov_sell(0)', scroll_delay);
			} else {
				setTimeout('mov_sell('+(no1+1)+')', scroll_delay);  
			}
		}
	}