function changeFontSize(value) {
	var ele1 = jQuery('#content_font_size');
	switch (value) {
		case 'increase':
			if (umws_font_size + 1 <= 5) {
				ele1.removeClass('font_size' + umws_font_size);
				umws_font_size++;
				ele1.addClass('font_size' + umws_font_size);
			}
		break;
		case 'decrease':
			if (umws_font_size - 1 >= 1) {
				ele1.removeClass('font_size' + umws_font_size);
				umws_font_size--;
				ele1.addClass('font_size' + umws_font_size);
			}
		break;
		default:
			ele1.removeClass('font_size' + umws_font_size);
			umws_font_size = 3;
			ele1.addClass('font_size' + umws_font_size);
	}
	jQuery.cookie('umws_rps_font_size', umws_font_size, { duration: 365, path: '/' });
}

function changeContrast() {
	if (umws_contrast == 1) {
		// add CSS file with contrast overwrites
		jQuery('head').append('<link rel="stylesheet" href="/media/umws/css/umws_contrast.css" type="text/css" id="css_contrast" />');
		umws_contrast = 2;
	} else {
		// remove CSS file with contrast overwrites
		jQuery('#css_contrast').remove();
		umws_contrast = 1;
	}
	//jQuery("link[title='contrast']").attr("href", contrast_url + konwent_contrast + '.css');
	jQuery.cookie('umws_rps_contrast', umws_contrast, { duration: 365, path: '/' });
}

navigator.browserTypeVersion = (function(){
    var ua = navigator.userAgent, tem, M = ua.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*([\d\.]+)/i) || [];
    if(/trident/i.test(M[1])){
        tem = /\brv[ :]+(\d+(\.\d+)?)/g.exec(ua) || [];
        return 'IE '+(tem[1] || '');
    }
    M = M[2]? [M[1], M[2]]:[navigator.appName, navigator.appVersion, '-?'];
    if ((tem = ua.match(/version\/([\.\d]+)/i)) != null) { M[2] = tem[1]; }
	M[1] = parseInt(M[1]);
    return M;
})();


jQuery(document).ready(function()
{
	// back to top
	jQuery('#ftr_btt1').on('click', function() {
		var scroll_top = jQuery(window).scrollTop();
		if (scroll_top > 0)
		{
			jQuery('html, body').animate({ scrollTop: 0 }, 500, 'easeInOutExpo');
			jQuery('html').focus();
		}
		return false;
	});
	
	// show / hide main menu
	jQuery('#menu_shb').on('click', function() {
		var cids = jQuery('#'+ jQuery(this).attr('aria-controls'));
		var cstate = jQuery(this).attr('aria-expanded');
		if (cids.length > 0)
		{
			if (cstate == 'true')
			{
				cids.stop().slideUp(500);
				jQuery(this).attr('aria-expanded', 'false');
				cids.attr('aria-hidden', 'true');
			}
			else
			{
				cids.stop().slideDown(500);
				jQuery(this).attr('aria-expanded', 'true');
				cids.attr('aria-hidden', 'false');
			}
		}
	});
	
	// font size / contrast
	jQuery('#tools_enlarge').click(function() {
		changeFontSize('increase');
	});
	jQuery('#tools_dislarge').click(function() {
		changeFontSize('decrease');
	});
	jQuery('#tools_reset').click(function() {
		changeFontSize();
	});
	jQuery('#tool_contrast').click(function() {
		changeContrast();
	});
	
	// ------------------------- pagination select
	jQuery("#pag_drop").on('change', function() {
		// get value and add to link then change location
		var pag_link = jQuery(this).attr('data-clean-link');
		var pag_limit = jQuery(this).val();
		var pag_symb = '?';
		if (pag_link.indexOf('?') >= 0)
		{
			pag_symb = '&amp;';
		}
		if (pag_link && pag_limit)
		{
			location.href = jQuery(this).attr('data-clean-link') + pag_symb + 'start='+ jQuery(this).val();
		}
	});
	
	// ------------------------- emulate history in photo gallery and attachements
	if (history.pushState) {
		jQuery('.pGallery1 a, .atta1 a').on('click', function() {
			var curr_url = window.location.href;
			var dest_url = jQuery(this).attr('href');
			if (dest_url)
			{
				history.replaceState({}, '', dest_url);
				history.replaceState({}, '', curr_url);
			}
		});
	}
	
	// ------------------------- jquery prettyphoto
	jQuery("a[data-rel^='prettyPhoto']").prettyPhoto({
	 deeplinking: false,
	 markup: '<div class="pp_pic_holder"> \
						<div class="ppt">&nbsp;</div> \
						<div class="pp_top"> \
							<div class="pp_left"></div> \
							<div class="pp_middle"></div> \
							<div class="pp_right"></div> \
						</div> \
						<div class="pp_content_container"> \
							<div class="pp_left"> \
							<div class="pp_right"> \
								<div class="pp_content"> \
									<div class="pp_loaderIcon"></div> \
									<div class="pp_fade"> \
										<a href="#" class="pp_expand" title="Expand the image">Expand</a> \
										<div class="pp_hoverContainer"> \
											<a class="pp_next" href="#">next</a> \
											<a class="pp_previous" href="#">previous</a> \
										</div> \
										<div id="pp_full_res"></div> \
										<div class="pp_details"> \
											<div class="pp_nav"> \
												<a href="#" class="pp_arrow_previous">Previous</a> \
												<p class="currentTextHolder">0/0</p> \
												<a href="#" class="pp_arrow_next">Next</a> \
											</div> \
											<a class="pp_close" href="#">Close</a> \
										</div> \
									</div> \
								</div> \
							</div> \
							</div> \
						</div> \
						<div class="pp_bottom"> \
							<div class="pp_left"></div> \
							<div class="pp_middle"></div> \
							<div class="pp_right"></div> \
						</div> \
					</div> \
					<div class="pp_overlay"></div>',
	 gallery_markup: '',
	 inline_markup: '',
	 social_tools: ''
	 });
	 
});