// check comment form
function checkCommentForm() {
	if (document.getElementById("formAuthorName").value == "") {
		alert(nameCommentError);
		document.getElementById("formAuthorName").focus();
		return false;
	}
	if (document.getElementById("formCommentContent").value == "") {
		alert(contentCommentError);
		document.getElementById("formCommentContent").focus();
		return false;
	}
	if (document.getElementById("formAuthorEmail").value!="") {
		if (document.getElementById("formAuthorEmail").value.indexOf('@')==-1 || document.getElementById("formAuthorEmail").value.indexOf('.')==-1) {
			alert(emailCommentError);
			document.getElementById("formAuthorEmail").focus();
			return false;
		}
	}
	return true;
}

function SubmitDropDownList(dropdown, url) {
	var myindex  = dropdown.selectedIndex
	var SelValue = dropdown.options[myindex].value
	top.location.href = url+"&style="+SelValue; 
	return true;
}