getSearchQuery = function(){
	var referrer = document.referrer;
	if (/[?&](q|qt|query|p|search|word|name|keyword|)=([^&]+)/.test (referrer)){
		var sQuery = RegExp.$2;
		sQuery = sQuery.replace (/\+/g, " ");
		sQuery = sQuery.replace (/^\s+|\s+$/g, "");
		sQuery = UnescapeUTF8(sQuery);
		return sQuery;
	}
	return null;
}
replaceHTML = function(sFilePath){ 
	var a = new Ajax.Request(
		sFilePath, 
			{ 
			"method": "get", 
			onSuccess: function(request) {}, 
			onComplete: function(request) { 
				$(sReplaceID).innerHTML = request.responseText; 
			}, 
			onFailure: function(request) {}, 
			onException: function (request) {} 
		} 
	); 
} 
checkKeyword = function(){
	var sQuery = getSearchQuery();
	var sFilePath;
	if(sQuery && sQuery.match(sKeyword)){
		sFilePath = sTrueHTML;
	}else{
		sFilePath = sFalseHTML;
	}
	replaceHTML(sFilePath);
}
checkKeyword();