function addInputSubmitEvent(form, input) {
    input.onkeydown = function(e) {
        e = e || window.event;
        if (e.keyCode == 13) {
            form.submit();
            return false;
        }
    };
}

window.onload = function() {
    var forms = document.getElementsByTagName('form');

    for (var i=0;i < forms.length;i++) {
        var inputs = forms[i].getElementsByTagName('input');

        for (var j=0;j < inputs.length;j++)
            addInputSubmitEvent(forms[i], inputs[j]);
    }
};

$(document).ready(function()
{
	if ($('.messenger').length > 0)
	{
		$('.messenger').fadeIn();
		setTimeout(function() { $('.messenger').fadeOut(function(){$(this).remove()}) }, 2000);
	}
	
	$(".userProposal").keypress(function(event) {
		  // Backspace, tab, enter, end, home, left, right
		  // We don't support the del key in Opera because del == . == 46.
		  var controlKeys = [8, 9, 13, 35, 36, 37, 39];
		  // IE doesn't support indexOf
		  var isControlKey = controlKeys.join(",").match(new RegExp(event.which));
		  // Some browsers just don't raise events for control keys. Easy.
		  // e.g. Safari backspace.
		  if (!event.which || // Control keys in most browsers. e.g. Firefox tab is 0
		      ((49 <= event.which && event.which <= 57) || event.which == 46 || event.which == 44) || // Always 1 through 9
		      (48 == event.which && $(this).attr("value")) || // No 0 first digit
		      isControlKey) { // Opera assigns values for control keys.
		    return;
		  } else {
		    event.preventDefault();
		  }
		});
	
	$(".onlyNumbers").keypress(function(event) {
		  // Backspace, tab, enter, end, home, left, right
		  // We don't support the del key in Opera because del == . == 46.
		  var controlKeys = [8, 9, 13, 35, 36, 37, 39];
		  // IE doesn't support indexOf
		  var isControlKey = controlKeys.join(",").match(new RegExp(event.which));
		  // Some browsers just don't raise events for control keys. Easy.
		  // e.g. Safari backspace.
		  if (!event.which || // Control keys in most browsers. e.g. Firefox tab is 0
		      ((49 <= event.which && event.which <= 57) || event.which == 46 || event.which == 44) || // Always 1 through 9
		      (48 == event.which && $(this).attr("value")) || // No 0 first digit
		      isControlKey) { // Opera assigns values for control keys.
		    return;
		  } else {
		    event.preventDefault();
		  }
		});


	
});