var rootAddress = "http://itplasa.gsplasa.biz/";
var http = getHTTPObject();
var divTarget = "";

function bodyOnLoad() {
	getTrivia();
}

function fbs_click(u,t) {
	u = rootAddress+"product.php?id="+u;
	window.open("http://www.facebook.com/sharer.php?u="+encodeURIComponent(u)+"&t="+encodeURIComponent(t),"sharer","toolbar=0,status=0,width=626,height=436");
	return false;
}

function getTrivia() {
	divTarget=document.getElementById("divTrivia");
	divTarget.innerHTML = "<img src='img/loading.gif'>";
	http.open("GET", "ajax_trivia.php", true);
	http.onreadystatechange = handleHttpResponse;
	http.send(null);
}	

function handleHttpResponse() {
	if (http.readyState == 3) {
		//alert('ready state 3');
	} else 
	if (http.readyState == 4) {
		if (divTarget != '') {
			divTarget.innerHTML = http.responseText;
		}
	}
}
function getHTTPObject() {
	var xmlhttp;
	if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
		try {
			xmlhttp = new XMLHttpRequest();
		} catch (e) {
			xmlhttp = false;
		}
	}
	return xmlhttp;
}

function castVote(pollID) {
	divTarget=document.getElementById("divPolls");
  var content = convertFormDataToPostContent(window.document.fmPolls);
  doPost('ajax_polls.php?id='+pollID, content, 'processResult');
}

function processResult(result) {
  divTarget.innerHTML = result;
}

function doPost(url, content, callback_name) {
  var async_request = false;
  // Mozilla/Safari
  if (window.XMLHttpRequest)
  {
    async_request = new XMLHttpRequest();
    async_request.overrideMimeType('text/xml');
  }
  // IE
  else if (window.ActiveXObject)
  {
    async_request = new ActiveXObject("Microsoft.XMLHTTP");
  }
  async_request.open('POST', url, true);
  async_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
  async_request.onreadystatechange = 	function() {
																		 		if (async_request.readyState == 4) {
																		      response_content = async_request.responseText;
																		      eval(callback_name + '(response_content);');
																		    }
																		  }
  async_request.send(content);
}

function convertFormDataToPostContent(form_name) {
  var content_to_submit = '';
  var form_element;
  var last_element_name = '';

  for (i = 0; i < form_name.elements.length; i++)
  {
    form_element = form_name.elements[i];
    switch (form_element.type)
    {
    // Text fields, hidden form elements
    case 'text':
    case 'hidden':
    case 'password':
    case 'textarea':
    case 'select-one':
    case 'submit':
    case 'button':
    content_to_submit += form_element.name + '=' 
    + escape(form_element.value) + '&'
    break;

    // Radio buttons
    case 'radio':
    if (form_element.checked)
    {
      content_to_submit += form_element.name + '=' 
      + escape(form_element.value) + '&'
    }
    break;

    // Checkboxes
    case 'checkbox':
    if (form_element.checked)
    {
      // Continuing multiple, same-name checkboxes
      if (form_element.name == last_element_name)
      {
        // Strip of end ampersand if there is one
        if (content_to_submit.lastIndexOf('&') == 
        content_to_submit.length - 1)
        {
          content_to_submit = content_to_submit.substr(
          0, content_to_submit.length - 1);
        }
        // Append value as comma-delimited string
        content_to_submit += ',' + escape(form_element.value);
        }
        else
        {
          content_to_submit += form_element.name + '=' 
          + escape(form_element.value);
        }
        content_to_submit += '&';
        last_element_name = form_element.name;
      }
      break;
    }
  } 

  // Remove trailing separator
  content_to_submit = content_to_submit.substr(0, content_to_submit.length - 1);
  return content_to_submit;
}