function nebula_write() {
	tmpStr = '';
	tmpStr += '<img src="imgages/nebula.jpg" width="600" height="568" alt="" border="0">';

	
	document.getElementById('lyr2').innerHTML = tmpStr;
	document.title = "The 12th Fleet: Ships -> Nebula Class";
	
	tmpStr = '';
	tmpStr += '<div class="sub_menu_bar_but"><div class="sub_link" onclick="ships_write()"><div class="sub_link_text">Back</div></div></div>';
// nebula
//+ USS_Excursion
	tmpStr += '<div class="sub_menu_bar_but"><div class="sub_link" onclick="excursion_write()"><div class="sub_link_text">USS Excursion</div></div></div>';
	
	document.getElementById('lyr1').innerHTML = tmpStr;
	document.getElementById('scroll_links').className="scroll_links_h";
	init_dw_Scroll();
	init_dw_Scroll2();
}