function set_cookie(name, value, exp_y, exp_m, exp_d, path, domain, secure){
    var cookie_string = name + "=" + escape(value);
    
    if (exp_y) {
        var expires = new Date(exp_y, exp_m, exp_d);
        cookie_string += "; expires=" + expires.toGMTString();
    }
    
    if (path) 
        cookie_string += "; path=" + escape(path);
    
    if (domain) 
        cookie_string += "; domain=" + escape(domain);
    
    if (secure) 
        cookie_string += "; secure";
    
    document.cookie = cookie_string;
}

function get_cookie(cookie_name){
    var results = document.cookie.match('(^|;) ?' + cookie_name + '=([^;]*)(;|$)');
    
    if (results) 
        return (unescape(results[2]));
    else 
        return null;
}

function installSearchEngine(){
    if (window.external && ("AddSearchProvider" in window.external)) {       
        window.external.AddSearchProvider("http://www.ifacesearch.com/ifacesearch.xml");
        dispSearch(false);
  }
    else {
        // No search engine support (IE 6, Opera, etc).
        alert("Your browser is not compatible with this function");
    }
}

function dispSearch(bol){
	if(bol){
		document.getElementById('searchInstall').style.display = "inline";
		
	}else{
		document.getElementById('searchInstall').style.display = "none";
		set_cookie("search", 1);
	}
    
}