if ( SupportsAjax() )
 {
 if ( getURLParam('supports_ajax') != 'yes' )
 {
 href = window.location.href;
 
 href = href.replace ( /supports_ajax=([^\&]*)\&?/g, '' );
 href = href.replace ( /\&+/g, '\&' );
 
 var ex = '?';
 if ( href.indexOf("?") > 0 )
 {
 ex = '&';
 
 if ( href.match(/\&$/) )
 {
 ex ='';
 }
 };
 
 var lang_enum = getURLParam ( 'lang_enum' );
 if ( lang_enum )
 {
 ex += 'lang_enum='+lang_enum+'&';
 };
 
 window.location.href = href+ex+'supports_ajax=yes';
 };
 };
function getURLParam(strParamName)
{
 var strReturn = "";
 var strHref = window.location.href;
 if ( strHref.indexOf("?") > -1 )
 {
 var strQueryString = strHref.substr(strHref.indexOf("?")).toLowerCase();
 var aQueryString = strQueryString.split("&");
 for ( var iParam = 0; iParam < aQueryString.length; iParam++ )
 {
 if ( aQueryString[iParam].indexOf(strParamName.toLowerCase() + "=") > -1 )
 {
 var aParam = aQueryString[iParam].split("=");
 strReturn = aParam[1];
 break;
 };
 };
 };
return unescape(strReturn);
};