/* ryoukin */
function cursor_height() {
	bodyh = $('mod_contents').getHeight();
	bodyh_2 = 0;
	
	while( bodyh_2 < bodyh ){
		bodyh_2 += 52;
	}
	
	if (bodyh_2 > 52) {
		bodyh_2 -= 52;
	}
	
	$('arrow_middle').setStyle({ height: bodyh_2+"px"});
}
/* index */
function cursor_height_index() {
	bodyh = document.getElementById('mod_contents').offsetHeight - 690;
	bodyh_2 = 0;
	while( bodyh_2 < bodyh ){
		bodyh_2 += 52;
	}
	bodyh_2 -= 52;
	bodyh_2 = bodyh_2 + "px";
	this.document.getElementById('arrow_middle').style.height = bodyh_2;
}
/* hiryuuhai */
function cursor_height_hiryuuhai() {
	bodyh = document.getElementById('mod_contents').offsetHeight - 83;
	bodyh_2 = 0;
	while( bodyh_2 < bodyh ){
		bodyh_2 += 52;
	}
	bodyh_2 -= 52;
	bodyh_2 = bodyh_2 + "px";
	this.document.getElementById('arrow_middle').style.height = bodyh_2;
}