$().ready( function() {

	poll();

});

/* Enquete */

var votacao = '#poll .answers';
var result = '#poll div.results';
var bt_vote = '#poll input.vote';
var bt_parcial = '#poll input.result';

function poll() {
	$(result).hide();
	$('.buttons-results').hide();
	pollSubmit();
	pollParcial();
}

function pollVoltar() {
	
	$(votacao).show('slow');

	$('.buttons').show('slow');
	$('.buttons-results').hide('slow');

	$(result).hide('slow');

}

/* Enquete - Submit */

function pollSubmit() {
	
	$(bt_vote).bind('click', function() {

		var inputs = "input[type=radio][name=voto]";

		$(inputs).each(function() {

			if ( $(this).is(':checked') ) voto = $(this).attr('value');

		});

		jQuery.ajax({
			type: "POST",
			url: "modules/home/polls/polls_ajax.php",
			data: 'voto='+voto,
			success: pollSubmittedResponse
		});
		
		return false;

	});
	
}

function pollSubmittedResponse(response) {
	$(votacao).hide('slow');
	$('.buttons').hide('slow');
	$('.buttons-results').show('slow');

	$("#mensagem").html(response).fadeIn(500);
	pollGetParcial();
	return false;
}


/* Enquete - Parcial */

function pollParcial() {
	$(bt_parcial).bind('click', function() {
		pollGetParcial();
		return false;
	});
	return false;
}

function pollGetParcial() {
	
	var options = {
		type: 'GET',
		url: 'modules/home/polls/parcial.php',
		data: 'poll='+$('#poll input[name=id]').attr('value'),
		success: function(msg) { pollParcialSuccess(msg) }
	}
	
	$.ajax(options);
	return false;

}

function pollParcialSuccess(msg){
	$(votacao).hide('slow');
	$('.buttons').hide('slow');
	$('.buttons-results').show('slow');
	
	$(result).html(msg).show('slow');
	return false;
}



/* Radio and Check buttons */

var checkboxHeight = "20";
var radioHeight = "20";
var selectWidth = "190";

/* No need to change anything after this */

document.write('<style type="text/css">input.radio { display: none; } select.radio { position: relative; width: ' + selectWidth + 'px; opacity: 0; filter: alpha(opacity=0); z-index: 5; }</style>');

var Custom = {
	init: function() {
		var inputs = document.getElementsByTagName("input"), span = Array(), textnode, option, active;
		for(a = 0; a < inputs.length; a++) {
			if((inputs[a].type == "checkbox" || inputs[a].type == "radio") && inputs[a].className == "radio") {
				span[a] = document.createElement("span");
				span[a].className = inputs[a].type;

				if(inputs[a].checked == true) {
					if(inputs[a].type == "checkbox") {
						position = "0 -" + (checkboxHeight*2) + "px";
						span[a].style.backgroundPosition = position;
					} else {
						position = "0 -" + (radioHeight*2) + "px";
						span[a].style.backgroundPosition = position;
					}
				}
				inputs[a].parentNode.insertBefore(span[a], inputs[a]);
				inputs[a].onchange = Custom.clear;
				span[a].onmousedown = Custom.pushed;
				span[a].onmouseup = Custom.check;
				document.onmouseup = Custom.clear;
			}
		}
		inputs = document.getElementsByTagName("select");
		for(a = 0; a < inputs.length; a++) {
			if(inputs[a].className == "radio") {
				option = inputs[a].getElementsByTagName("option");
				active = option[0].childNodes[0].nodeValue;
				textnode = document.createTextNode(active);
				for(b = 0; b < option.length; b++) {
					if(option[b].selected == true) {
						textnode = document.createTextNode(option[b].childNodes[0].nodeValue);
					}
				}
				span[a] = document.createElement("span");
				span[a].className = "select";
				span[a].id = "select" + inputs[a].name;
				span[a].appendChild(textnode);
				inputs[a].parentNode.insertBefore(span[a], inputs[a]);
				inputs[a].onchange = Custom.choose;
			}
		}
	},
	pushed: function() {
		element = this.nextSibling;
		if(element.checked == true && element.type == "checkbox") {
			this.style.backgroundPosition = "0 -" + checkboxHeight*3 + "px";
		} else if(element.checked == true && element.type == "radio") {
			this.style.backgroundPosition = "0 -" + radioHeight*3 + "px";
		} else if(element.checked != true && element.type == "checkbox") {
			this.style.backgroundPosition = "0 -" + checkboxHeight + "px";
		} else {
			this.style.backgroundPosition = "0 -" + radioHeight + "px";
		}
	},
	check: function() {
		element = this.nextSibling;
		if(element.checked == true && element.type == "checkbox") {
			this.style.backgroundPosition = "0 0";
			element.checked = false;
		} else {
			if(element.type == "checkbox") {
				this.style.backgroundPosition = "0 -" + checkboxHeight*2 + "px";
			} else {
				this.style.backgroundPosition = "0 -" + radioHeight*2 + "px";
				group = this.nextSibling.name;
				inputs = document.getElementsByTagName("input");
				for(a = 0; a < inputs.length; a++) {
					if(inputs[a].name == group && inputs[a] != this.nextSibling) {
						inputs[a].previousSibling.style.backgroundPosition = "0 0";
					}
				}
			}
			element.checked = true;
		}
	},
	clear: function() {
		inputs = document.getElementsByTagName("input");
		for(var b = 0; b < inputs.length; b++) {
			if(inputs[b].type == "checkbox" && inputs[b].checked == true && inputs[b].className == "checkbox") {
				inputs[b].previousSibling.style.backgroundPosition = "0 -" + checkboxHeight*2 + "px";
			} else if(inputs[b].type == "checkbox" && inputs[b].className == "checkbox") {
				inputs[b].previousSibling.style.backgroundPosition = "0 0";
			} else if(inputs[b].type == "radio" && inputs[b].checked == true && inputs[b].className == "radio") {
				inputs[b].previousSibling.style.backgroundPosition = "0 -" + radioHeight*2 + "px";
			} else if(inputs[b].type == "radio" && inputs[b].className == "radio") {
				inputs[b].previousSibling.style.backgroundPosition = "0 0";
			}
		}
	},
	choose: function() {
		option = this.getElementsByTagName("option");
		for(d = 0; d < option.length; d++) {
			if(option[d].selected == true) {
				document.getElementById("select" + this.name).childNodes[0].nodeValue = option[d].childNodes[0].nodeValue;
			}
		}
	}
}
window.onload = Custom.init;