function best_next(div_id) {

	var div_tag = document.getElementById(div_id);
	var a_tag;

	a_tag = div_tag.getElementsByTagName("div");
	div_tag.appendChild(a_tag[0]);

	
	div_tag.style.left = 0;
	
}


function best_prev(div_id) {

	var div_tag = document.getElementById(div_id);
	var a_tag;
	var k = 0;
	
	a_tag = div_tag.getElementsByTagName("div");

	
	for(i=1;i < a_tag.length;i++){
		div_tag.appendChild(a_tag[0]);
	}
	
}

var main_1_mouseEvent = 1;

// banner_roll("divÅÂ±× id", ¹è³Ê1°³³ôÀÌ, µô·¹ÀÌ, 1Ä­À̵¿¼Óµµ, 0);
function main_roll(div_id, banner_left, banner_delay, banner_speed, this_left){

	if(eval(div_id + "_mouseEvent")){

		var div_tag = document.getElementById(div_id);
		var a_tag, i;
		
		this_left++;

		
		if(this_left < banner_left) {
			
			//div_tag.style.left = -this_left;
			setTimeout("main_roll('" + div_id + "', " + banner_left + ", " + banner_delay + ", " + banner_speed + ", " + this_left + ", 0);", banner_speed);

		} else {

			a_tag = div_tag.getElementsByTagName("div");
			div_tag.appendChild(a_tag[0]);

			div_tag.style.left =0;
			setTimeout("main_roll('" + div_id + "', " + banner_left + ", " + banner_delay + ", " + banner_speed + ", 0, 0);", banner_delay);
		
		}
		
	}else{
		//  ·Ñ¿À¹ö
		setTimeout("main_roll('" + div_id + "', " + banner_left + ", " + banner_delay + ", " + banner_speed + ", " + this_left + ", 0);", banner_speed);
	}

	return true;
}