// cookie functions
jQuery.cookie = function(name, value, options) {
    if (typeof value != 'undefined') { // name and value given, set cookie
        options = options || {};
        if (value === null) {
            value = '';
            options = jQuery.extend({}, options); // clone object since it's unexpected behavior if the expired property were changed
            options.expires = -1;
        }
        var expires = '';
        if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
            var date;
            if (typeof options.expires == 'number') {
                date = new Date();
                date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
            } else {
                date = options.expires;
            }
            expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
        }
        // NOTE Needed to parenthesize options.path and options.domain
        // in the following expressions, otherwise they evaluate to undefined
        // in the packed version for some reason...
        var path = options.path ? '; path=' + (options.path) : '';
        var domain = options.domain ? '; domain=' + (options.domain) : '';
        var secure = options.secure ? '; secure' : '';
        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
    } else { // only name given, get cookie
        var cookieValue = null;
        if (document.cookie && document.cookie != '') {
            var cookies = document.cookie.split(';');
            for (var i = 0; i < cookies.length; i++) {
                var cookie = jQuery.trim(cookies[i]);
                // Does this cookie string begin with the name we want?
                if (cookie.substring(0, name.length + 1) == (name + '=')) {
                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                    break;
                }
            }
        }
        return cookieValue;
    }
};



// liquid <> fixed
function setPageWidth(){
   var currentWidth = jQuery('#page').css('width');
   if (currentWidth=="95%") newWidth = "960px"; else if (currentWidth=="960px") newWidth = "95%"; else newWidth = "960px";
   jQuery("#page").animate({width: newWidth}, 333).fadeIn("slow");
   jQuery.cookie('pageWidth', newWidth);
}

// body font size
function setFontSize() {

		newSize = '1.1em';
	   	jQuery(".zoom").animate({fontSize: newSize}, 333).fadeIn("slow");
	   	jQuery.cookie('fontSize',newSize)
}

function setFontSize1() {
		newSize = '1.2em';
	   jQuery(".zoom").animate({fontSize: newSize}, 333).fadeIn("slow");
	   jQuery.cookie('fontSize',newSize)
}

function setFontSize2() {
		newSize = '1.4em';
	   jQuery(".zoom").animate({fontSize: newSize}, 333).fadeIn("slow");
	   jQuery.cookie('fontSize',newSize)
}


 jQuery(document).ready(function(){
  // body .safari class
//  if (jQuery.browser.safari) jQuery('body').addClass('safari');

  // layout controls
     jQuery("#loupe a").click(function() {
     switch (jQuery(this).attr("class")) {
	   case 'setFont' : setFontSize();	break;
	   case 'setFont1' : setFontSize1();	break;
	   case 'setFont2' : setFontSize2();	break;
	   case 'setLiquid'	: setPageWidth();	break;
	 }
	 return false;
    });
   // set the font size from cookie
   var font_size = jQuery.cookie('fontSize');
   if (font_size == '1.1em') { jQuery('.zoom').css("font-size","1.1em"); }
   if (font_size == '1.2em') { jQuery('.zoom').css("font-size","1.2em"); }
   if (font_size == '1.4em') { jQuery('.zoom').css("font-size","1.4em"); }

   // set the page width from cookie
   var page_width = jQuery.cookie('pageWidth');
   if (page_width) jQuery('#page').css('width', page_width);

 });