function setCookie(name, value, expires, path, domain, secure) {
	var expiry_date = new Date(new Date().getTime() + expires);

    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expiry_date : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

function changeVertical(select)
{
	setCookie('currentSite', select[select.selectedIndex].value, 60*60*24*365, '/');
	document.location.reload();
}

function postComment(frm)
{
	if (frm.name.value.length == 0 || frm.location.value.length == 0 || frm.subject.value.length == 0 || frm.comment.value.length == 0)
	{
		alert("Please fill in all fields.");
		return false;
	}
	//alert("/post_comment.php?name=" + escape(frm.name.value) + "&subject=" + escape(frm.subject.value)  + "&comment=" + escape(frm.comment.value));
	//return false;
	new Ajax.Request("/post_comment.php?name=" + escape(frm.name.value) + "&location=" + escape(frm.location.value) + "&subject=" + escape(frm.subject.value)  + "&comment=" + escape(frm.comment.value));
	//var ajaxObj = createXMLHttp(); 
	//var url = "/post_comment.php?name=" + escape(frm.name.value) + "&subject=" + escape(frm.subject.value)  + "&comment=" + escape(frm.comment.value);
	//ajaxObj.open("GET", url, true); 
	
	frm.name.value = "";
	frm.location.value = "";
	frm.subject.value = "";
	frm.comment.value = "";
	alert("Thanks for your comment!");
	
	return false;
}

function createXMLHttp() 
{
	if (typeof XMLHttpRequest != 'undefined')
	return new XMLHttpRequest();
	else if (window.ActiveXObject) 
	{
		var avers = ["Microsoft.XmlHttp", "MSXML2.XmlHttp", "MSXML2.XmlHttp.3.0", "MSXML2.XmlHttp.4.0", "MSXML2.XmlHttp.5.0"];
		for (var i = avers.length -1; i >= 0; i--) 
		{
			try 
			{
				httpObj = new ActiveXObject(avers[i]);
				return httpObj;
			} catch(e) {}
		}
	}
throw new Error('XMLHttp (AJAX) not supported');
}