$(document).ready(function() {
	/**
	 * Need to do with using JS, so that the code is valid
	 * Don't even need to worry about the unstyled flash, as this is hidden initially
	 */
	$('#headerNav ul').css('margin-top', '14px').css('padding-top', '0');
	
	// And an IE7 fix as well
	if($.browser.msie && $.browser.version == 7) $('#headerNav ul').css('margin-top', '24px');
	
	/**
	 * Need to add some additional classes and wraps to the tables
	 */
	if($('table').length > 0) {
		$('table tr:first').html($('table tr:first').html().replace(/td/gi, 'th'));
		$('table tr:odd').addClass('odd');
	}
	
	
	/**
	 * Clear text fields on focus
	 */
	$('.clear-on-focus').focus(function() {
		if(this.value == this.defaultValue) {
			this.value = '';
		}
	}).blur(function() {
		if(!this.value.length) {
			this.value = this.defaultValue;
		}
	});
	
	
	/**
	 * The sliders for the footer text
	 * When the more button is pressed, load the next slide
	 * We have 3 seperate ones, one for each content area
	 */
	$('.homeFooterBox.media-evaluation .contents').cycle({
		fx: 'scrollUp',
		timeout: 0,
		next: '#more-evaluation'
	});
	$('.homeFooterBox.media-monitoring .contents').cycle({
		fx: 'scrollUp',
		timeout: 0,
		next: '#more-monitoring'
	});
	$('.homeFooterBox.press-releases .contents').cycle({
		fx: 'scrollUp',
		timeout: 0,
		next: '#more-press'
	});
	
	/**
	 * Add a line to seperate the intro text and listings on the news and resources page
	 * We'll do this using JS, as otherwise, the line would appear on the inner listing pages as well
	 */
	if($('#listings-1').length > 0) {
		$('.listing:first').css('border-top', '1px solid #999').css('padding-top', '20px');
	}
	
	
	/**
	 * Add clears for IE7 A-Z listing
	 */
	$('.az-listing h2').each(function() {
		$(this).before('<div class="clear">&nbsp;</div>');;
	});
	
	/**
	 * Validation for "Keep in Touch"
	 */
	 $('#keep-in-touch').submit(function(event) {
		var email = $('#keep-in-touch-email').val();
		
		// Regex check for valid emails
		var regex = /^([A-Za-z0-9_\-\.\+])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
		if(regex.test(email) == false) {
			// Invalid email
			event.preventDefault();
			$('#keep-in-touch-error').text("Sorry, please provide a valid email address").css('margin-top', '10px');
		}
	 });
	 
	/**
	 * Tweets for the sidebar
	 */
	if($('#latest-tweets', '#homeRightCol').length > 0) {
		$('#latest-tweets', '#homeRightCol').jTweetsAnywhere({
			username: 'kantar_media',
			count: 2
		});
	}
	
	/**
	 * Add Google Analaytics tracking code to all download links
	 * Add the tracking code to each link which has a file
	 * File types are set based on the extensions in the list below
	 */
	for(i in tracking_extensions) {
		$('a[href$="' + tracking_extensions[i] + '"]').each(function() {
			// We want the final URL to look like 
			// <a href="http://www.example.com/files/map.pdf" onClick="javascript: _gaq.push(['_trackPageview', '/downloads/map');"> 
			// Link: http://www.google.com/support/analytics/bin/answer.py?hl=en&answer=55529
			// The part after /download will be the file path on the server
			$(this).attr('onClick', "\"javascript: _gaq.push(['_trackPageview', '/downloads" + this.pathname + "');\"");
		});
	}
});