function openwin(wid,hei,win) {
	win = window.open("",win,"toolbar=0,location=0,scrollbars=1,resizable=1,realizable=1,width=" + wid + ",height=" + hei);
	if(win.closed == 0 && (document.layers || document.all)) win.resizeTo(wid,hei);
	win.focus();
}