function centerwin(url,name,w,h){
var l=(screen.width-w)/2
var t=(screen.height-h)/2
var w=window.open(url,name,"left="+l+",top="+t+",width="+w+",height="+h)
if(navigator.platform.indexOf("Mac")!=-1)
{
w.moveTo(l,t)
}
return w
}

function co(){
var win=centerwin("co/","win_new",976,489)
}

function sakura(){
var win=centerwin("kashi/sakura.htm","win_new",976,489)
}

function mitsu(){
var win=centerwin("kashi/mitsu.htm","win_new",976,489)
}

function kakome(){
var win=centerwin("kashi/kakome.htm","win_new",976,489)
}

function ssm(){
var win=centerwin("kashi/ssm.htm","win_new",976,489)
}

function tsukiyo(){
var win=centerwin("kashi/tsukiyo.htm","win_new",976,489)
}

function sakin(){
var win=centerwin("kashi/sakin.htm","win_new",976,489)
}