function winop(na) {
	max_w = window.screen.availWidth;
	max_h = window.screen.availHeight;
	window.open("/15th/"+na,"subwin", "left=0, top=0, width="+max_w+", height="+max_h+" location=no, menubar=no");
}
// open window for fpp
function winop_fpp(na) {
	max_w = window.screen.availWidth;
	max_h = window.screen.availHeight;
	window.open("/15th/"+na,"subwin", "left=0, top=0, width="+max_w+", height="+max_h+" location=no, menubar=no");
}