function newWin(url, winname){
	var x = screen.width;
	var y = screen.height;

	var target = parseFloat(navigator.appVersion.substring(navigator.appVersion.indexOf('.')-1,navigator.appVersion.length));

	// Windows IE ならフルスクリーン
	if(navigator.appVersion.indexOf('MSIE') > 0 && target >= 4){
		var newwin = window.open(url,winname,"fullscreen=yes");
	}
	// NN なら、screen.availWidth と screen.availHeight で window.open()
	else if(navigator.appName.indexOf('Netscape')){
		x = screen.availWidth;
		y = screen.availHeight;
		var newwin = window.open(url,winname,"scrollbars=no,width="+x+",height="+y+",top=0,left=0");
	}
	// それ以外は普通に window.open()
	else{
		var newwin = window.open(url,winname,"scrollbars=no,width="+x+",height="+y+",top=0,left=0");
	}

	// Max IE の場合は後から window 位置変更
	if(!((navigator.appVersion.indexOf("Win")!=-1) && navigator.appName=="Microsoft Internet Explorer")){
		newwin.moveTo(0,0);
		newwin.resizeTo(x,y);
	}
}