setCookie("timezone",(new Date().getTimezoneOffset()/60)*-1,null,'/');

function setCookie(name, value, expires,path, domain, secure)
{
	var toSet= name + "=" + escape(value) +
		((expires) ? "; expires="+ expires.toGMTString() : "") +
		((path) ? "; path=" + path : "") +
		((domain) ? "; domain=" + domain : "") +
		((secure) ? "; secure" : "");
	document.cookie=toSet;
}