/** * Universal function for a genarating popup's * * Several examples of usage: * popen('http://www.google.com/'); * var wref = popen(null,'_bnr', * {width:468,height:60,scrollbars:'no',status:'no'}, * '

' * ); * * Notice, that browsers have different limitation for minimal with and height values of window. * To fix it in FF you could use method wref.sizeToContent(); * Also can use functions wref.resizeTo(), wref.resizeBy(), but in this case calculate of acceptable parametrs * will need search in manual mode. With relative big size's that character problems won't happen. * * @author Denis Golovtsov * @param string|null, URL that should be open in popup; if it's null or empty, 'about:blank' will open * @param string|null, name of frame popup window, this can be used as target attribute for tags

and * @param hash|null, associated array of options for popup window: * options is defined by default: * width = 500, height = 500, scrollbars = yes, status = yes, top, left - calculated for centered * other options: * menubar = no, resizable = no, toolbar = no, directories = no * read more about options here: * http://www.devguru.com/Technologies/ecmascript/quickref/win_open.html * @param string|null, HTML code that can be represent in popup, it uses in pair with 'null' URL * @return window reference, reference to new genarated popup */ /** * Associated public array where is stored reference's for all popup's were opened in current session. */ var _popens = {}; function popen(url,name,opts,html) { if (!opts) var opts = {}; opts['width'] = opts['width'] || 500; opts['height'] = opts['height'] || 500; opts['left'] = opts['left'] || (screen.availWidth - opts['width'])/2; opts['top'] = opts['top'] || (screen.availHeight - opts['height'])/2; opts['scrollbars'] = opts['scrollbars'] || 'yes'; opts['status'] = opts['status'] || 'yes'; url = url || 'about:blank'; name = name || '_popup'; var s_opts = ''; for (var i in opts) s_opts += ( s_opts != '' ? ',' : '' ) + i + '=' + opts[i]; try { if (_popens[name] && !_popens[name].closed) { _popens[name].close(); } var w = window.open(url,name,s_opts); if (html) { w.document.open(); w.document.write(html); w.document.close(); } w.focus(); _popens[name] = w; return w; } catch(e) { } } /** * Function that provide final cleanup and close all popup's are opened. * You should bind this function to 'unload' event of a main page. * * @param void * @return void */ function popen_clean() { for (var i in _popens) { if (!_popens[i].closed) _popens[i].close(); } }