/*
	JavaScript file for index.html : index.js
*/

function checkInstCookie() {

    var found = false;

try {
    if (!navigator.cookieEnabled) {
		alert("Cookies is not available. Enable Cookies.");
		return found;
    }

    if (document.cookie) {
    
        var cookies = document.cookie.split("; ");
	
		for (var i = 0; i < cookies.length; i++) {
	    	var str = cookies[i].split("=");
	    	
	    	if (str[0] == "wz_tid") {
	    		
			for (var j = 0; j < cookies.length; j++) {
	    	    var str2 = cookies[j].split("=");
	    	    if (str2[0] == "ask_tb") {
					found = true;
					break;
	    	    }
			}
	    }
	    if( found ) break;
		}
    }
    return found;

} catch(e) { alert("checkInstCookie() error: " + e); }

}


function setInstCookie() {

try {
	
    if (!navigator.cookieEnabled) {
		alert("Cookies is not available. Enable Cookies.");
	return;
    }

    var _value = 1;
    var _expires = new Date();
    var expireDay = new Date(_expires.getTime()+(24*60*60*1000));

    document.cookie =  "ask_tb=" + _value + "; expires=" + expireDay.toGMTString();

} catch(e) { alert("setInstCookie() error: " + e); }
	
}

function getInstCookie() {

try {
	
    if (document.cookie) {
		var cookies = document.cookie.split("; ");
		for (var i = 0; i < cookies.length; i++) {
			var str = cookies[i].split("=");
			if (str[0] == "ask_tb") {
				var value = unescape(str[1]);
				break;
			}
		}
	}
    return value;

} catch(e) { alert("getInstCookie() error: " + e); }    
    
}

function removeInstCookie() {

try {
	
    if (!navigator.cookieEnabled) {
	alert("Cookies is not available. Enable Cookies.");
	return;
    }

    var _value = 1;
    var _expires = new Date();
    var expireDay = new Date(_expires.getTime()-(24*60*60*1000));

    document.cookie =  "ask_tb=" + _value + "; expires=" + expireDay.toGMTString();

} catch(e) { alert("removeInstCookie() error: " + e); }  

}


function isFirefox() {
	
try {
		
   return navigator.userAgent && (navigator.userAgent.indexOf('Firefox') != -1);

} catch(e) { alert("isFirefox() error: " + e); }

}