function switch2_tip(target_position) {
	tips = document.getElementById('cover_tips_scroll2');

	
	if (target_position == -1) {

		if (tips.scrollLeft >= 1520) {
			target_position = 0;
		} else if (tips.scrollLeft >= 1140) {
			target_position = 1520;
		} else if (tips.scrollLeft >= 760) {
			target_position = 1140;
		} else if (tips.scrollLeft >= 380) {
			target_position = 760;
		} else if (tips.scrollLeft >= 0) {
			target_position = 380;
		}
	}

	if (tips.scrollLeft < target_position) {
		if (target_position - tips.scrollLeft > 380) {
			tips.scrollLeft = tips.scrollLeft + 380;
		} else {
			tips.scrollLeft = target_position;
		}
	} else {
		if (tips.scrollLeft - target_position > 380) {
			tips.scrollLeft = tips.scrollLeft - 380;
		} else {
			tips.scrollLeft = target_position;
		}
	} 

	//document.getElementById('debug').innerHTML = tips.scrollLeft + "|" + target_position;

	if (target_position != tips.scrollLeft) {
		setTimeout("switch_tip(" + target_position + ")", 0);
	}
}



function switch_tip(target_position) {
	tips = document.getElementById('cover_tips_scroll');

	
	if (target_position == -1) {

		if (tips.scrollLeft >= 3000) {
			target_position = 0;
		} else if (tips.scrollLeft >= 2250) {
			target_position = 3000;
		} else if (tips.scrollLeft >= 1500) {
			target_position = 2250;
		} else if (tips.scrollLeft >= 750) {
			target_position = 1500;
		} else if (tips.scrollLeft >= 0) {
			target_position = 750;
		}
	}

	if (tips.scrollLeft < target_position) {
		if (target_position - tips.scrollLeft > 750) {
			tips.scrollLeft = tips.scrollLeft + 750;
		} else {
			tips.scrollLeft = target_position;
		}
	} else {
		if (tips.scrollLeft - target_position > 750) {
			tips.scrollLeft = tips.scrollLeft - 750;
		} else {
			tips.scrollLeft = target_position;
		}
	} 

	//document.getElementById('debug').innerHTML = tips.scrollLeft + "|" + target_position;

	if (target_position != tips.scrollLeft) {
		setTimeout("switch_tip(" + target_position + ")", 0);
	}
}