//add indexOf functionality to javascript arrays. needed for cookie handling.
if (!Array.indexOf) {
	Array.prototype.indexOf = function(str) {
		for (var i = 0; i < this.length; i++) {
			if (this[i] == str) {
				return i;

			}
		}
		return -1;

	}

}

function setCookie(name,value) {
	days = 90;
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";

	document.cookie = name+"="+value+expires+"; path=/";
}

function getCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return '';
}

function deleteCookie(name) {
	createCookie(name,"",-1);
}

function getQueryVariable(variable) {
	var query = window.location.search.substring(1);
	//alert(query.length);
	if (query.length > 0) {
		var vars = query.split("&");
		for (var i = 0; i < vars.length; i++) {
			var pair = vars[i].split("=");
			if (pair[0] == variable) {
				return pair[1];
			}
		}
	}
	return "";
}