// popup
function OpenWindow(str) {
	var winleft = (screen.width-650)/2;
	var wintop = (screen.height-500)/2;
	var win = window.open(str,'','scrollbars=yes,resizable=yes,width=680,height=540,status=no,location=no,toolbar=no,menubar=no,left='+winleft+'top='+wintop);
	win.focus();
}
// fine popup