function dgf_open(window_width,window_height,v_page,v_name){var window_left=(screen.availWidth/2)-(window_width/2);var window_top=(screen.availHeight/2)-(window_height/2);var window_dimensions="height="+window_height+",width="+window_width+",left="+window_left+",top="+window_top;var window_new=window.open(v_page,v_name,window_dimensions+"scrollbars,resizable");window_new.focus()}