// Initialize.
function init_modal() {

// Does element exist?
if (!$('a.modal').length) {

// If not, exit.
return;
}

// Detect IE6 (boolean).
var $IE6 = typeof document.addEventListener !== 'function' && !window.XMLHttpRequest;

// Do some math.
function sizeModal() {

// Modal dimensions.
var $modal = $('#modal_window');
var $modal_width = $modal.outerWidth();
var $modal_height = $modal.outerHeight();
var $modal_top = '-' + Math.floor($modal_height / 2) + 'px';
var $modal_left = '-' + Math.floor($modal_width / 2) + 'px';

// Set modal.
$('#modal_window').css('margin-top', $modal_top).css('margin-left', $modal_left);
}

/* For IE6. */
function positionModal() {

// Force modal into place.
$('#modal_wrapper').css('top', $(document).scrollTop() + 'px');
}

// Reveal the modal.
function showModal() {

// Bleh.
if ($IE6) {
positionModal();
}

// Unveil the wrapper.
$('#modal_wrapper').show();

// Size it.
sizeModal();

// Reveal modal window.
$('#modal_window').css('visibility', 'visible').show();

// Resize as images load.
$('#modal_content img').each(function() {
$(this).load(function() {
$(this).removeClass('modal_placeholder').show();
sizeModal();
});
});

// add handlers for form validation here
//$("div#modal_content #demo_form").addClass("popupform");
//$(".popupform").validate();
$("div#modal_content #demo_form").validate();
$("div#modal_content #contact_form").validate();
$("div#modal_content #resource_form").validate();
$("div#modal_content #partner_form").validate();

}

// Insert modal at end of </body>.
$('body').append('<div id="modal_wrapper"><!--[if IE 6]><iframe id="modal_iframe" frameborder="0"></iframe><![endif]--><div id="modal_overlay"></div><div id="modal_window"><div id="modal_bar"><strong>Modal window</strong><a href="#" id="modal_close">Close</a></div><div id="modal_content"></div><div id="modal_window_bot">&nbsp;</div></div>');

// Look for modal links.
$('a.modal').click(function() {

// Check the href="..."
var $the_link = $(this).attr('href');

// Determine link target.
if ($the_link.match(/^#./)) {

// Assume #anchor content.
$('#modal_content').html($($(this).attr('href')).html());
showModal();

} else if ($the_link.match(/.jpg$/) || $the_link.match(/.png$/) || $the_link.match(/.gif$/)) {

// Assume image content.
$('#modal_content').html('<p id="modal_image_wrapper"><img src="' + $the_link + '" class="modal_placeholder" /></p>');
showModal();

} else {

// Assume external Ajax content.
$('#modal_content').load($(this).attr('href').replace('#', ' #'), '', showModal);
}

// Determine modal title.
if ($(this).attr('title')) {

// Insert title.
$('#modal_bar strong').html($(this).attr('title'));

} else if ($(this).html() !== '') {

// Insert link text.
$('#modal_bar strong').html($(this).html());
}

// Nofollow.
this.blur();
return false;
});

// Hide modal elements.
$('#modal_overlay, #modal_close, #modal_close_button').click(function() {
try
{
    if ((regCheck == 'true') && (document.getElementById("MainContentPlaceHolder_bCookieFound").value != 'true') && (refUrl_value == "")) {
alert('Registration is required to view this page. Click \'ok\' to return to the Resource Index.');
document.location.href="/resources/";
}
}
catch(err)
{
}

// Hide the modal.
$('#modal_wrapper').hide();

// Hide, because images might load later.
$('#modal_window').css('visibility', 'hidden');

// Unbind image listeners.
$('#modal_content img').each(function() {
$(this).unbind();
});

// Destroy modal content.
$('#modal_content').html('');

// Reset modal title.
$('#modal_bar strong').html('Modal window');

// Nofollow.
this.blur();

return false;

});

// Listen for browser scroll, if IE6.
if ($IE6) {
$(window).scroll(function() {
if ($('#modal_wrapper').is(':visible')) {
positionModal();
}
});
}


}

// Kick things off.
//$(document).ready(function() {
//init_modal();
//});