function SwitchLanguage(lang)
{
	s_main=parent.frames["parent"].location.href;
	s_host=parent.frames["parent"].location.host; // window.location.host
	//alert(s_host);
	if (s_host=="localhost" || s_host=="82.227.138.98") 
	{
		if (s_main.indexOf("%5F")>=0)
		{
			if (s_host=="82.227.138.98") 
				s_host="82.227.138.98/eurovet%5FEDAYS%5FJUIN10/evolutiondays";	
			else
				s_host="localhost/eurovet%5FEDAYS%5FJUIN10/evolutiondays";	
		}
		else
		{
			if (s_host=="82.227.138.98")
				s_host="82.227.138.98/eurovet_EDAYS_JUIN10/evolutiondays";			
			else
				s_host="localhost/eurovet_EDAYS_JUIN10/evolutiondays";			
		}
	}
	else s_host+="/evolutiondays";
	
	
	slash_pos=s_main.lastIndexOf("/");		
	file="asp"+s_main.substr(slash_pos,s_main.length);
	if (lang && lang!='')
   {		
		slash_pos=s_main.lastIndexOf("/");		
		file=lang+"/asp"+s_main.substr(slash_pos,s_main.length);
	}
	
	//alert("file : "+file);
	
	pos=s_main.indexOf(s_host)+s_host.length+1;
	main_path="http://"+s_host+"/"+file;
		
	// on est en mode recherche ?
	s_rech="http://www.interfiliere.com/scriptIFLlyon/recherche_alpha.asp?lettre=a";
	if (s_main.indexOf(s_rech)>=0)
	{
		main_path="http://"+s_host+"/langue/recherche_lang_redirect.asp?lang="+lang+"&goto="+escape(s_rech)+escape("?")+"lettre"+escape("=")+"a";		
	}
	//alert(main_path);
	parent.frames["parent"].location.href=main_path;  	
}