<!-- Eksik Alan Kontrolu
	function frmIletisimKontrol()
	{
		if (document.getElementById("ad").value == "")
		{
			alert("Name !")
			document.getElementById("ad").focus();
			return false;
		}
		else if (document.getElementById("soyad").value == "")
		{
			alert("Surname !")
			document.getElementById("soyad").focus();
			return false;
		}
		else if (! isValidEmail(document.getElementById("email").value))
		{
			alert("e-mail !")
			document.getElementById("email").focus();
			return false;
		}
		else if (document.getElementById("tel").value == "")
		{
			alert("Phone !")
			document.getElementById("tel").focus();
			return false;
		}
		else if (document.getElementById("konu").value == "")
		{
			alert("Subject!")
			document.getElementById("konu").focus();
			return false;
		}
		else if (document.getElementById("mesaj").value == "")
		{
			alert("Detail !")
			document.getElementById("mesaj").focus();
			return false;
		}
		return true;
	}	
	function isValidEmail(email, required) {
		if (required==undefined) {   // if not specified, assume it's required
			required=true;
		}
		if (email==null) {
			if (required) {
				return false;
			}
			return true;
		}
		if (email.length==0) {  
			if (required) {
				return false;
			}
			return true;
		}
		if (! allValidChars(email)) {  // check to make sure all characters are valid
			return false;
		}
		if (email.indexOf("@") < 1) { //  must contain @, and it must not be the first character
			return false;
		} else if (email.lastIndexOf(".") <= email.indexOf("@")) {  // last dot must be after the @
			return false;
		} else if (email.indexOf("@") == email.length) {  // @ must not be the last character
			return false;
		} else if (email.indexOf("..") >=0) { // two periods in a row is not valid
		return false;
		} else if (email.indexOf(".") == email.length) {  // . must not be the last character
		return false;
		}
		return true;
	}
	function allValidChars(email) {
	  var parsed = true;
	  var validchars = "abcdefghijklmnopqrstuvwxyz0123456789@.-_";
	  for (var i=0; i < email.length; i++) {
		var letter = email.charAt(i).toLowerCase();
		if (validchars.indexOf(letter) != -1)
		  continue;
		parsed = false;
		break;
	  }
	  return parsed;
	}