function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
function hannyuWin(){
	window.open("http://www.3ty.jp/t_steel/annai/riyou.htm#hannyu","hannyu","width=490,height=550,resizable=1,toolbar=1,scrollbars=1,left=160,top=30,return false");
}
function siharaiWin(){
	window.open("http://www.3ty.jp/t_steel/annai/riyou.htm#siharai","siharai","width=500,height=500,resizable=1,toolbar=1,scrollbars=1,left=170,top=100,return false");
}
function noukiWin(){
	window.open("http://www.3ty.jp/t_steel/annai/riyou.htm#nouki","nouki","width=500,height=500,resizable=1,toolbar=1,scrollbars=1,left=170,top=100,return false");
}
function henpinWin(){
	window.open("http://www.3ty.jp/t_steel/annai/riyou.htm#henpin","henpin","width=500,height=500,resizable=1,toolbar=1,scrollbars=1,left=170,top=100,return false");
}
function riyouWin(){
	window.open("http://www.3ty.jp/t_steel/annai/riyou.htm","riyou","width=500,height=500,resizable=1,toolbar=1,scrollbars=1,left=170,top=100,return false");
}
function CloseWin(){
    window.close();
}