// Track any PDFs that don't already have onclick event attached
jQuery('a').each(function() {
    if(jQuery(this).attr('href').indexOf('.pdf') > -1 && !jQuery(this).attr('onclick')) {
       // add the analytics
       onclick="javascript: pageTracker._trackPageview(this.href);"
    }
	
	    if(jQuery(this).attr('href').indexOf('.doc') > -1 && !jQuery(this).attr('onclick')) {
       // add the analytics
       onclick="javascript: pageTracker._trackPageview(this.href);"
    }
	
	    if(jQuery(this).attr('href').indexOf('.zip') > -1 && !jQuery(this).attr('onclick')) {
       // add the analytics
       onclick="javascript: pageTracker._trackPageview(this.href);"
    }
	
	    if(jQuery(this).attr('href').indexOf('.jpg') > -1 && !jQuery(this).attr('onclick')) {
       // add the analytics
       onclick="javascript: pageTracker._trackPageview(this.href);"
    }
});


function toggleDebug() {
	// This toggles debugging information, if debugging is turned on:
	var d = document.getElementById('debug');
	if (d.style.display == 'block') {
		d.style.display = 'none';
	}
	else {
		d.style.display = 'block';
	}
	return false;
}

var current_thumbs_position = 0;

function scrollThumbs(direction) {
	var thumbs = document.getElementById('thumbs');
	// var height = parseInt(document.getElementById('thumbs_wrapper').style.height);
	var height = Element.getHeight(thumbs);
	// alert (height);
	var interval = 68;
	if (direction == 'up') {
		if (current_thumbs_position < 0) {
			current_thumbs_position += interval;
		}
	}
	else if (direction == 'down') {
		if (current_thumbs_position > (0 - height + (interval * 3))) {
		 	current_thumbs_position -= interval;
		}
	}
	// window.status = current_thumbs_position;
	thumbs.style.top = current_thumbs_position + 'px';
	
	return false;
}

var last_image_displayed = 1;
// var last_thumb_src = ''; 

function swapImage(image) {
	document.getElementById('main_image_'+last_image_displayed).style.display = 'none';
	document.getElementById('main_image_'+image).style.display = 'block';
	
	var last_thumb = document.getElementById('thumb_'+last_image_displayed);
	var thumb = document.getElementById('thumb_'+image);
		
	last_thumb.src = last_thumb.src.replace(/\/silo\/hi\//, '/silo/');
	thumb.src = thumb.src.replace(/\/silo\//, '/silo/hi/');
	
	document.getElementById('main_image_'+image).style.display = 'block';

	last_image_displayed = image;
	// alert(image);
	return false;
}

function popTC() {
	window.open('/terms-and-conditions.php','tc','width=300,height=400,scrollbars=yes');
	return false;
}

function over(image, state) {
	var src = image.src;
	if (state =='hi') {
		image.src = src.replace(/\/silo\//,"/silo/over/");
	}
	else if (state == 'lo') {
		image.src = src.replace(/over\//, '');
	}
}