function open_window(s_win_url, s_win_name, i_win_height, i_win_width, b_scrollbars) {
	var o_pop_up;
	var i_win_x_pos = 100;
	var i_win_y_pos = 100;


	i_win_x_pos	= (window.screen.availWidth - i_win_width) / 2;
	i_win_y_pos	= (window.screen.availHeight - i_win_height) / 2;


	// open window
	o_pop_up = window.open(s_win_url, s_win_name, 'height='+i_win_height+',width='+i_win_width+',top='+i_win_y_pos+',left='+i_win_x_pos+',status=yes,toolbar=no,menubar=no,location=no,scrollbars='+b_scrollbars);
}


function lnk(s_url) {
	window.location.href=s_url;
}