Блокировка Internet Explorer - Joomla 1.5: Общие вопросы

if(strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE')!== false){
echo 'Идите в ...опу (за новым браузером)';
}
else{
все остальное
}

<?php
/**
* @version		$Id: plg_iewarning.php 10709 2009-03-21 09:58:52Z juanparati $
* @package		Joomla
* @copyright	Copyright (C) 2009 Terrasolutions.es. All rights reserved.
* @license		GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/

// no direct access
defined( '_JEXEC' ) or die( 'Restricted access' );

jimport( 'joomla.plugin.plugin' );


class  plgSystemIewarning extends JPlugin
{
	
	function plgSystemIewarning(& $subject, $config)
	{			
    parent::__construct($subject, $config);
		
		//load the translation
	//	$this->loadLanguage( );
   	   $this->loadLanguage( '', JPATH_ADMINISTRATOR );
	}


	function onAfterDispatch()
	{
	  global $mainframe;
	  	 		  
    $document = &JFactory::getDocument();
    
    if ($document->getType() == 'html')
    {
         
      if (JRequest::getCmd('iewarning_off', '')!='') {     	      
         //JRequest::setVar('iewarning_off', 1, 'COOKIE', false); // Do not work! :(
         setcookie('iewarning_off', 'yes');
         $_COOKIE['iewarning_off']='yes';                      
      } else {
        
        $ieversion = $this->params->get('ie_version');
                  
        if ($this->params->get('ie_sucks')) {
          
          $sel[0]=JText::_('IEURL');      
          $sel[1]=JText::_('MOZILLAURL');  // My prefer, if you are driver use BMW, if you are web developer use Firefox
          $sel[2]=JText::_('SAFARIURL');   // My girldfriend uses this sometimes
          $sel[3]=JText::_('OPERAURL');    // Nice, the most modern and multiplatform web browser!
          $sel[4]=JText::_('CHROMEURL');   // My sister uses this, is simple, clean and faster, very faster (V8 Power)
          
          $mainframe->addCustomHeadTag("    	
     	    <!--[if ".$ieversion."]>
          <script type=\"text/javascript\">               
            document.location.href='{$sel[rand(0, count($sel)-1)]}';
          </script>
          <![endif]-->
          ");
    	       
        } else {  
           
          $document->addScript(JURI::base().'plugins/system/iewarning/js/warning.js');     	           
           
          $mainframe->addCustomHeadTag('    	
          <!--[if '.$ieversion.']>      
          <script type="text/javascript">   
                           
             var msg1  = "'.JText::_('IEISOUTDATE_TEXT').'";
             var msg2  = "'.JText::_('BESTEXPERIENCE_TEXT').'.";
             var msg3  = "'.JText::_('JUSTCLICK_TEXT').'";
             var br1   = "'.JText::_('IEVERSION').'"; // 8+
             var br2   = "'.JText::_('FIREFOXVERSION').'"; // 3+
             var br3   = "'.JText::_('SAFARIVERSION').'"; // 3+
             var br4   = "'.JText::_('OPERAVERSION').'"; // 9.5+";
             var br5   = "'.JText::_('CHROMEVERSION').'"; //2.0+
             var url1  = "'.JText::_('IEURL').'"; // http://www.microsoft.com/windows/Internet-explorer/default.aspx
             var url2  = "'.JText::_('MOZILLAURL').'"; // http://www.mozilla.com/firefox/
             var url3  = "'.JText::_('SAFARIURL').'"; // http://www.apple.com/safari/download/
             var url4  = "'.JText::_('OPERAURL').'"; // http://www.opera.com/download/
             var url5  = "'.JText::_('CHROMEURL').'"; //http://www.google.com/chrome
             var allowmsg = "'.JText::_('CONTINUEATMYRISK').'";
             var allowcontinue ='.(int)$this->params->get('allow_continue').';
             var waruri = "'.JURI::base().'plugins/system/iewarning/images/";                       
                   
             window.addEvent(\'domready\', function(){ iewarning(waruri); });      
          </script>
          <![endif]-->
          ');
            
        }
      } 
      
   }          	       
  
	}
	
	function isIE6 () { // Deprecated?  
		$msie='/msie\s(5\.[5-9]|[9]\.[0-9]*).*(win)/i';
		return isset($_SERVER['HTTP_USER_AGENT']) &&
			preg_match($msie,$_SERVER['HTTP_USER_AGENT']) &&
			!preg_match('/opera/i',$_SERVER['HTTP_USER_AGENT']);
	}

  
}

var msg1 = "Знаете ли вы, что ваш Internet Explorer устарел?";
var msg2 = "Для комфортного просмотра нашего сайта мы рекомендуем Вам использовать другой веб-браузер. Список наиболее популярных веб-браузеров можно найти ниже.";
var msg3 = "Просто нажмите на значок, чтобы попасть на страницу загрузки";
var br1 = "Internet Explorer 8+";
var br2 = "Firefox 3+";
var br3 = "Safari 3+";
var br4 = "Opera 9.5+";
var br5 = "Chrome 2.0+";
var url1 = "http://www.microsoft.com/windows/Internet-explorer/default.aspx";
var url2 = "http://www.mozilla.com/firefox/";
var url3 = "http://www.apple.com/safari/download/";
var url4 = "http://www.opera.com/download/";
var url5 = "http://www.google.com/chrome";
var imgPath;

function readCookie(name) {var nameEQ = name + "=";var ca = document.cookie.split(';');for(var i=0;i < ca.length;i++) {var c = ca[i];while (c.charAt(0)==' ') c = c.substring(1,c.length);if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);}return null;}
function iewarning(str) {if (readCookie('iewarning_off')=='yes') return false; imgPath = str;var _body = document.getElementsByTagName('body')[0];var _d = document.createElement('div');var _l = document.createElement('div');var _h = document.createElement('h1');var _p1 = document.createElement('p');var _p2 = document.createElement('p');var _ul = document.createElement('ul');var _li1 = document.createElement('li');var _li2 = document.createElement('li');var _li3 = document.createElement('li');var _li4 = document.createElement('li');var _li5 = document.createElement('li');var _ico1 = document.createElement('div');var _ico2 = document.createElement('div');var _ico3 = document.createElement('div');var _ico4 = document.createElement('div');var _ico5 = document.createElement('div');var _lit1 = document.createElement('div');var _lit2 = document.createElement('div');var _lit3 = document.createElement('div');var _lit4 = document.createElement('div');var _lit5 = document.createElement('div');var _cont = document.createElement('div');_body.appendChild(_l);_body.appendChild(_d);_d.appendChild(_h);_d.appendChild(_p1);_d.appendChild(_p2);_d.appendChild(_ul);_d.appendChild(_cont);_ul.appendChild(_li1);_ul.appendChild(_li2);_ul.appendChild(_li3);_ul.appendChild(_li4);_ul.appendChild(_li5);_li1.appendChild(_ico1);_li2.appendChild(_ico2);_li3.appendChild(_ico3);_li4.appendChild(_ico4);_li5.appendChild(_ico5);_li1.appendChild(_lit1);_li2.appendChild(_lit2);_li3.appendChild(_lit3);_li4.appendChild(_lit4);_li5.appendChild(_lit5);_d.setAttribute('id','_d');_l.setAttribute('id','_l');_h.setAttribute('id','_h');_p1.setAttribute('id','_p1');_p2.setAttribute('id','_p2');_ul.setAttribute('id','_ul');_cont.setAttribute('id', '_cont');_li1.setAttribute('id','_li1');_li2.setAttribute('id','_li2');_li3.setAttribute('id','_li3');_li4.setAttribute('id','_li4');_li5.setAttribute('id','_li5');_ico1.setAttribute('id','_ico1');_ico2.setAttribute('id','_ico2');_ico3.setAttribute('id','_ico3');_ico4.setAttribute('id','_ico4');_ico5.setAttribute('id','_ico5');_lit1.setAttribute('id','_lit1');_lit2.setAttribute('id','_lit2');_lit3.setAttribute('id','_lit3');_lit4.setAttribute('id','_lit4');_lit5.setAttribute('id','_lit5');var _width = document.documentElement.clientWidth;var _height = document.documentElement.clientHeight;var _dl = document.getElementById('_l');_dl.style.width =  _width+"px";_dl.style.height = _height+"px";_dl.style.position = "absolute";_dl.style.top = "0px";_dl.style.left = "0px";_dl.style.filter = "alpha(opacity=50)";_dl.style.background = "#fff";var _dd = document.getElementById('_d');_ddw = 650;_ddh = 260;_dd.style.width = _ddw+"px";_dd.style.height = _ddh+"px";_dd.style.position = "absolute";_dd.style.top = ((_height-_ddh)/2)+"px";_dd.style.left = ((_width-_ddw)/2)+"px";_dd.style.padding = "20px";_dd.style.background = "#fff";_dd.style.border = "1px solid #ccc";_dd.style.fontFamily = "'Lucida Grande','Lucida Sans Unicode',Arial,Verdana,sans-serif";_dd.style.listStyleType = "none";_dd.style.color = "#4F4F4F";_dd.style.fontSize = "12px";_h.appendChild(document.createTextNode(msg1));var _hd = document.getElementById('_h');_hd.style.display = "block";_hd.style.fontSize = "1.3em";_hd.style.marginBottom = "0.5em";_hd.style.color = "#333";_hd.style.fontFamily = "Helvetica,Arial,sans-serif";_hd.style.fontWeight = "bold";_p1.appendChild(document.createTextNode(msg2));var _p1d = document.getElementById('_p1');_p1d.style.marginBottom = "1em";_p2.appendChild(document.createTextNode(msg3));var _p2d = document.getElementById('_p2');_p2d.style.marginBottom = "1em";var _uld = document.getElementById('_ul');_uld.style.listStyleImage = "none";_uld.style.listStylePosition = "outside";_uld.style.listStyleType = "none";_uld.style.margin = "0 px auto";_uld.style.padding = "0px";_uld.style.paddingLeft = "10px";var _li1d = document.getElementById('_li1');var _li2d = document.getElementById('_li2');var _li3d = document.getElementById('_li3');var _li4d = document.getElementById('_li4');var _li5d = document.getElementById('_li5');var _li1ds = _li1d.style;var _li2ds = _li2d.style;var _li3ds = _li3d.style;var _li4ds = _li4d.style;var _li5ds = _li5d.style;_li1ds.background = _li2ds.background = _li3ds.background = _li4ds.background = _li5ds.background = "transparent url('"+imgPath+"background_browser.gif') no-repeat scroll left top";_li1ds.cursor = _li2ds.cursor = _li3ds.cursor = _li4ds.cursor = _li5ds.cursor = "pointer";_li1d.onclick = function() {window.location = url1 };_li2d.onclick = function() {window.location = url2 };_li3d.onclick = function() {window.location = url3 };_li4d.onclick = function() {window.location = url4 };_li5d.onclick = function() {window.location = url5 };_li1ds.styleFloat = _li2ds.styleFloat = _li3ds.styleFloat = _li4ds.styleFloat = _li5ds.styleFloat = "left";_li1ds.width = _li2ds.width = _li3ds.width = _li4ds.width = _li5ds.width = "120px";_li1ds.height = _li2ds.height = _li3ds.height = _li4ds.height = _li5ds.height = "122px";_li1ds.margin = _li2ds.margin = _li3ds.margin = _li4ds.margin = _li5ds.margin = "0 10px 10px 0";var _ico1d = document.getElementById('_ico1');var _ico2d = document.getElementById('_ico2');var _ico3d = document.getElementById('_ico3');var _ico4d = document.getElementById('_ico4');var _ico5d = document.getElementById('_ico5');var _ico1ds = _ico1d.style;var _ico2ds = _ico2d.style;var _ico3ds = _ico3d.style;var _ico4ds = _ico4d.style;var _ico5ds = _ico5d.style;_ico1ds.width = _ico2ds.width = _ico3ds.width = _ico4ds.width = _ico5ds.width = "100px";_ico1ds.height = _ico2ds.height = _ico3ds.height = _ico4ds.height = _ico5ds.height = "100px";_ico1ds.margin = _ico2ds.margin = _ico3ds.margin = _ico4ds.margin = _ico5ds.margin = "1px auto";_ico1ds.background = "transparent url('"+imgPath+"browser_ie.gif') no-repeat scroll left top";_ico2ds.background = "transparent url('"+imgPath+"browser_firefox.gif') no-repeat scroll left top";_ico3ds.background = "transparent url('"+imgPath+"browser_safari.gif') no-repeat scroll left top";_ico4ds.background = "transparent url('"+imgPath+"browser_opera.gif') no-repeat scroll left top";_ico5ds.background = "transparent url('"+imgPath+"browser_chrome.gif') no-repeat scroll left top";_lit1.appendChild(document.createTextNode(br1));_lit2.appendChild(document.createTextNode(br2));_lit3.appendChild(document.createTextNode(br3));_lit4.appendChild(document.createTextNode(br4));_lit5.appendChild(document.createTextNode(br5));var _lit1d = document.getElementById('_lit1');var _lit2d = document.getElementById('_lit2');var _lit3d = document.getElementById('_lit3');var _lit4d = document.getElementById('_lit4');var _lit5d = document.getElementById('_lit5');var _lit1ds = _lit1d.style;var _lit2ds = _lit2d.style;var _lit3ds = _lit3d.style;var _lit4ds = _lit4d.style;var _lit5ds = _lit5d.style;_lit1ds.color = _lit2ds.color = _lit3ds.color = _lit4ds.color = _lit5ds.color = "#808080";_lit1ds.fontSize = _lit2ds.fontSize = _lit3ds.fontSize = _lit4ds.fontSize = _lit5ds.fontSize = "0.8em";_lit1ds.height = _lit2ds.height = _lit3ds.height = _lit4ds.height = _lit5ds.height = "18px";_lit1ds.lineHeight = _lit2ds.lineHeight = _lit3ds.lineHeight = _lit4ds.lineHeight = _lit5ds.lineHeight = "17px";_lit1ds.margin = _lit2ds.margin = _lit3ds.margin = _lit4ds.margin = _lit5ds.margin = "1px auto";_lit1ds.width = _lit2ds.width = _lit3ds.width = _lit4ds.width = _lit5ds.width = "118px";_lit1ds.textAlign = _lit2ds.textAlign = _lit3ds.textAlign = _lit4ds.textAlign = _lit5ds.textAlign = "center";if (allowcontinue) {var _dcont = document.getElementById('_cont');_dcont.innerHTML='<center><form method="post"><input style="border: 1px solid #C7C7C7" type="submit" name="iewarning_off" value="'+allowmsg+'" /></form></center>';}};