var msg = "Παρακαλώ εισάγετε ένα σωστό e-mail!";
var msgName = "Παρακαλώ εισάγετε ένα όνομα!";
var msgComment = "Παρακαλώ εισάγετε ένα σχόλιο!";
function echeck(str) {
		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   return false
		}
		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}
		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}
		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }
		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }
		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }
		 if (str.indexOf(" ")!=-1){
		    return false
		 }
 		 return true
	}
function ValidateEmailForm(myForm){
	var emailID=myForm.uEmail;
	if ((emailID.value==null)||(emailID.value=="")){
		alert(msg);
		emailID.focus();
		return false;
	}
	if (echeck(emailID.value)==false){
		alert(msg);
		emailID.focus();
		return false;
	}
	return true;
 }
function ValidateCommentsForm(myForm){
	var emailID=myForm.uEmail;
	var nameID=myForm.uName;
	var commentID=myForm.uComment;
	if ((nameID.value == null)||(nameID.value == ""))
	{
		alert(msgName);
		nameID.focus();
		return false;
	}
	if ((emailID.value==null)||(emailID.value=="")){
		alert(msg);
		emailID.focus();
		return false;
	}
	if (echeck(emailID.value)==false){
		alert(msg);
		emailID.focus();
		return false;
	}
	if ((commentID.value == null)||(commentID.value == ""))
	{
		alert(msgComment);
		commentID.focus();
		return false;
	}
	return true;
 }
function SendBlog(myForm)
{
	var poststr = "uBlog=" + escape(encodeURI(myForm.uEmail.value));
	makePOSTRequest('registerEmail.php', poststr, 'ajax_newsletter');
}
 function SendEmail(myForm)
 {
 	if (ValidateEmailForm(myForm))
 	{
		var poststr = "uEmail=" + escape(encodeURI(myForm.uEmail.value));
		makePOSTRequest('registerEmail.php', poststr, 'ajax_newsletter');
 	}
 }
 
 function SendComments(myForm)
 {
 	if (ValidateCommentsForm(myForm))
 	{
		var poststr = "uEmail=" + escape(encodeURI(myForm.uEmail.value)) +
		"&uName=" + escape(encodeURI(myForm.uName.value))+
		"&uComment=" + escape(encodeURI(myForm.uComment.value));
		makePOSTRequest('registerEmail.php', poststr, 'ajax_comment');
	}
// 		SetInnerHTMLFromAjaxResponse('registerEmail.php?uEmail='+myForm.uEmail.value,'ajax_newsletter');
 }