function CL_openWin( page, winName, width, height, params, centered ) {
	var win = window.open( page, winName, "width=" + width + ",height=" + height + ( params ? "," + params : "" ) );
	if ( win.focus ) win.focus();
	if ( centered && screen && win.moveTo ) {
		var x = ( screen.width / 2 ) - ( width / 2 );
		var y = ( screen.height / 2 ) - ( height / 2 );
		win.moveTo( x, y );
	}
	return false;
}