/**
 * jQuery Mobile Menu 
 * Turn unordered list menu into dropdown select menu
 * version 1.0(31-OCT-2011)
 * 
 * Built on top of the jQuery library
 *   http://jquery.com
 * 
 * Documentation
 *   http://github.com/mambows/mobilemenu
 */
(function($){
	$.fn.mobileMenu = function(options) {
		var defaults = {
				defaultText: 'Navigate to...',
				className: 'select-menu',
				subMenuClass: 'sub-menu',
				subMenuDash: '–'
				},
			settings = $.extend( defaults, options ),
			el = $(this);
			
		$("head").append('<style type="text/css">@media(max-width: 767px){.sf-menu{display:none;} .select-menu{display: block;}}</style>')
		
		this.each(function(){
			// ad class to submenu list
			el.find('ul').addClass(settings.subMenuClass);
			
			// Create base menu
			$('<select />',{'class':settings.className}).insertAfter(el);
			
			// Create default option
			$('<option />', {"value":'#', "text":settings.defaultText}).appendTo( '.' + settings.className );
			
			// Create select option from menu
			el.find('a,.separator').each(function(){
				var $this  = $(this),
					optText = $this.context.firstChild.textContent,
					optSub = $this.parents( '.' + settings.subMenuClass ),
					len   = optSub.length,
					dash;
				// if menu has sub menu
				if( $this.parents('ul').hasClass( settings.subMenuClass ) ) {
					dash = Array( len+1 ).join( settings.subMenuDash );
					optText = dash + optText;
				}
				if($this.is('span')){
					// Now build menu and append it
					$('<optgroup />', {"label":optText,}).appendTo('.' + settings.className);
				}else{
					// Now build menu and append it
					$('<option />', {"value":this.href, "html":optText, "selected":(this.href == window.location.href)}).appendTo( '.' + settings.className );
				}
			}); // End el.find('a').each
			
			// Change event on select element
			$('.' + settings.className).change(function(){
				var locations = $(this).val();
				if( locations !== '#' ) {
					window.location.href = $(this).val();
				}
			});
		}); // End this.each
		return this;
	};
})(jQuery);

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