$(function () {
	$('#send').click(function(e){
		var message = greekCapital($('#message').val());

		if (message!='' && message.indexOf('ΚΑΛΗΜΕΡΑ')==-1 && message.indexOf('ΚΑΛΗΣΠΕΡΑ')==-1 && message.indexOf('ΓΕΙΑ ΣΑΣ')==-1 && message.indexOf('ΧΑΙΡΕΤΕ')==-1 && message.indexOf('ΠΑΡΑΚΑΛΩ')==-1 && message.indexOf('ΕΥΧΑΡΙΣΤΩ')==-1) 
		{
			e.preventDefault();
			alert('Παρακαλώ χρησιμοποιήστε τουλάχιστον μία από τις παρακάτω λέξεις στο αίτημά σας: Καλημέρα, Καλησπέρα, Γεια σας, Χαίρετε, Παρακαλώ, Ευχαριστώ');
		}
	});
	
	$('#category').change(function(){
		if ($(this).val()=='Ανανέωση τηλεφωνικών μονάδων')
		{
			$('#report-message').hide();
			$('#phone-number').show();
			$('#message').attr('required', false);
			$('#phone').attr('required', true);
		}
		else
		{
			$('#report-message').show();
			$('#phone-number').hide();
			$('#message').attr('required', true);
			$('#phone').attr('required', false);
		}
	});
	
	$('#phone').keydown(function (e) {
        // Allow: backspace, delete, tab, escape, enter and .
        if ($.inArray(e.keyCode, [46, 8, 9, 27, 13, 110]) !== -1 ||
             // Allow: Ctrl+A, Command+A
            (e.keyCode === 65 && (e.ctrlKey === true || e.metaKey === true)) || 
             // Allow: home, end, left, right, down, up
            (e.keyCode >= 35 && e.keyCode <= 40)) {
                 // let it happen, don't do anything
                 return;
        }
        // Ensure that it is a number and stop the keypress
        if ((e.shiftKey || (e.keyCode < 48 || e.keyCode > 57)) && (e.keyCode < 96 || e.keyCode > 105)) {
            e.preventDefault();
        }
    });
});

function greekCapital(txt)
{
	array_low = new Array();
	array_upper = new Array();

	array_low[0] = "α"; array_upper[0] = "Α";
	array_low[1] = "β"; array_upper[1] = "Β";
	array_low[2] = "γ"; array_upper[2] = "Γ";
	array_low[3] = "δ"; array_upper[3] = "Δ";
	array_low[4] = "ε"; array_upper[4] = "Ε";
	array_low[5] = "ζ"; array_upper[5] = "Ζ";
	array_low[6] = "η"; array_upper[6] = "Η";
	array_low[7] = "θ"; array_upper[7] = "Θ";
	array_low[8] = "ι"; array_upper[8] = "Ι";
	array_low[9] = "κ"; array_upper[9] = "Κ";
	array_low[10] = "λ"; array_upper[10] = "Λ";
	array_low[11] = "μ"; array_upper[11] = "Μ";
	array_low[12] = "ν"; array_upper[12] = "Ν";
	array_low[13] = "ξ"; array_upper[13] = "Ξ";
	array_low[14] = "ο"; array_upper[14] = "Ο";
	array_low[15] = "π"; array_upper[15] = "Π";
	array_low[16] = "ρ"; array_upper[16] = "Ρ";
	array_low[17] = "σ"; array_upper[17] = "Σ";
	array_low[18] = "τ"; array_upper[18] = "Τ";
	array_low[19] = "υ"; array_upper[19] = "Υ";
	array_low[20] = "φ"; array_upper[20] = "Φ";
	array_low[21] = "χ"; array_upper[21] = "Χ";
	array_low[22] = "ψ"; array_upper[22] = "Ψ";
	array_low[23] = "ω"; array_upper[23] = "Ω";
	array_low[24] = "ς"; array_upper[24] = "Σ";
	array_low[25] = "ά"; array_upper[25] = "Α";
	array_low[26] = "έ"; array_upper[26] = "Ε";
	array_low[27] = "ό"; array_upper[27] = "Ο";
	array_low[28] = "ί"; array_upper[28] = "Ι";
	array_low[29] = "ή"; array_upper[29] = "Η";
	array_low[30] = "ύ"; array_upper[30] = "Υ";
	array_low[31] = "ώ"; array_upper[31] = "Ω";
	array_low[32] = "ϋ"; array_upper[32] = "Ϋ";
	array_low[33] = "ϊ"; array_upper[33] = "Ϊ";
	array_low[34] = "ΰ"; array_upper[34] = "Ϋ";
	array_low[35] = "ΐ"; array_upper[35] = "Ϊ";
	array_low[36] = "Ά"; array_upper[36] = "Α";
	array_low[37] = "Έ"; array_upper[37] = "Ε";
	array_low[38] = "Ό"; array_upper[38] = "Ο";
	array_low[39] = "Ί"; array_upper[39] = "Ι";
	array_low[40] = "Ή"; array_upper[40] = "Η";
	array_low[41] = "Ύ"; array_upper[41] = "Υ";
	array_low[42] = "Ώ"; array_upper[42] = "Ω";

	var txtConverted = "";

	for(i=0; i<=txt.length-1; i++)
	{
		var char_low = txt.charAt(i);
		var char_upper = "zzz";
		
		//searching for ascii value for each character
		for(j=0; j<array_low.length; j++)
		{
				if (char_low == array_low[j])
				{
					char_upper = array_upper[j];
					break;
				}
		}
		
		//not found in my list, just put in the character
		if (char_upper == "zzz")
			char_upper = char_low;
		
		txtConverted += char_upper;
	}
	return txtConverted;	
}