var ms = navigator.appVersion.indexOf("MSIE");
var ie4 = (ms>0) && (parseInt(navigator.appVersion.substring(ms+5, ms+6)) >= 4)
var nesc = navigator.appName.lastIndexOf("Netscape"); //一致した位置(0)を返す
var nesc4 = (nesc >= 0) && (parseInt(navigator.appVersion.substring(0,2)) >= 4);

function fullscreen(url_str){
	newwindow = window.open(url_str,"newwindow","scrollbars,width=" + window.screen.width + ",height=" + window.screen.height)
	newwindow.moveTo(0,0);
	newwindow.focus();
}




/*
function fullscreen(url_str){
	if (nesc4){
    	newwindow = window.open(url_str,"newwindow","scrollbars,width=" + window.screen.width + ",height=" + window.screen.height)
		newwindow.moveTo(0,0);
		newwindow.focus();

	}else if (ie4){
		window.open(url_str,"screen","fullscreen=yes");

	}else{
		location.href=url_str;
	}
}
*/

function preview(dir){
	url_str = "../view.php?dir="+dir;
	fullscreen(url_str);
}