/*
 *
 * jFontSizer Plugin
 * Written by fluidByte - http://www.fluidbyte.net
 *
 *
 */

jQuery.fn.jfontsizer = function(o) {

	// Cookie functions
	function setCookie(c_name,value,expiredays){
		$.cookie(c_name,value);
//	var exdate=new Date();
//	exdate.setDate(exdate.getDate()+expiredays);
//	document.cookie=c_name+ "=" +escape(value)+
//	((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
	}

	function getCookie(c_name){
		return $.cookie(c_name);
//	if (document.cookie.length>0){
//	  c_start=document.cookie.indexOf(c_name + "=");
//	  if (c_start!=-1){
//	    c_start=c_start + c_name.length+1;
//	    c_end=document.cookie.indexOf(";",c_start);
//	    if (c_end==-1) c_end=document.cookie.length;
//	    return unescape(document.cookie.substring(c_start,c_end));
//	    }
//	  }
//	return "";
	}


	// Defaults
	var o = jQuery.extend( {
		applyTo: 'table,h1,h2,h3,#headtitle,tr.menurow td,input,textarea',
		changesmall: '05',
		changelarge: '08',
		expire: 30
	},o);

	var s = '';
	var m = '';
	var l = '';

	// Current
	var c = 'fs_sml';

	// Check cookie
	if (getCookie('fsizer') != null) {
		
		var c = getCookie('fsizer');
		switch (c) {
			case 'fs_sml':
				s = 'fsactive';
			$(o.applyTo).css('font-size','1.02em');
				break;
			case 'fs_med':
				m = 'fsactive';
			$(o.applyTo).css('font-size','1.'+o.changesmall+'em');
				break;
			case 'fs_lrg':
				l = 'fsactive';
			$(o.applyTo).css('font-size','1.'+o.changelarge+'em');
				break;
		}
	}
	else {
		s = "fsactive";
	}

	// Create font-chooser box
	$(this).html('<div class="fsizer"><a id="fs_sml" class="'+s+'">A</a><a id="fs_med" class="'+m+'">A</a><a id="fs_lrg" class="'+l+'">A</a><br style="clear: both" /></div>');


	$('.fsizer a').click(function(){

		var t = $(this).attr('id');

		setCookie('fsizer',t,o.expire);

		$('.fsizer a').removeClass('fsactive');
		$(this).addClass('fsactive');

		var f = $(o.applyTo).css('font-size');

		switch(t){
			case 'fs_sml':
				$(o.applyTo).css('font-size','1.02em');
				//$(o.applyTo).css('font-size','.'+(10-o.changesmall)+'em');
				break;
			case 'fs_med':
			    $(o.applyTo).css('font-size','1.'+o.changesmall+'em');
				break;
			case 'fs_lrg':
				$(o.applyTo).css('font-size','1.'+(o.changelarge)+'em');
				break;
		}
	});
};