/* - ++resource++plonetheme.bradford.javascripts/jquery.fontScaler.js - */
// http://www.bradfordhospitals.nhs.uk/portal_javascripts/++resource++plonetheme.bradford.javascripts/jquery.fontScaler.js?original=1
(function(jQuery){jQuery.fn.fontScaler=function(options){var defaultSettings={increment:'fixed',fixed:{size1:62.5,size2:75,size3:100,id1:'fs_normal',id2:'fs_medium',id3:'fs_large',title1:'normal',title2:'medium',title3:'large',character:'A'},variable:{step:10,id1:'fs_decrease',id2:'fs_increase',title1:'decrease',title2:'increase',character1:'-',character2:'+'},store:false,storetime:10,target:eval(document.body),containerclass:"fontScaler",fx:"normal",fxspeed:100};if(options&&options.fixed)
options.fixed=jQuery.extend({},defaultSettings.fixed,options.fixed);if(options&&options.variable)
options.variable=jQuery.extend({},defaultSettings.variable,options.variable);var settings=new Array();settings=jQuery.extend({},defaultSettings,options);
function newfontScaler(i){var fixed=settings.fixed;var variable=settings.variable;if(settings.increment=="fixed"){var fsid=fixed["id"+i];var fstitle=fixed["title"+i];var fscharacter=fixed.character}
if(settings.increment=="variable"){var fsid=variable["id"+i];var fstitle=variable["title"+i];var fscharacter=variable["character"+i]}
if((settings.increment=="variable"&&variable["id"+i]!=null)||(settings.increment=="fixed"&&fixed["id"+i]!=null)){return jQuery(document.createElement('a')).attr('href','javascript:void(0)').attr('id',fsid).attr('title',fstitle).append(jQuery(document.createTextNode(fscharacter))).bind("click", function(e){changeFontSize(i,e)})}}
var fontSizeLinks=jQuery(document.createElement('div')).attr('class',settings.containerclass).append(newfontScaler(1),newfontScaler(2),newfontScaler(3));jQuery(this).prepend(fontSizeLinks);
function changeFontSize(i,event){i=i * 1;var target=settings.target;if(settings.increment=="fixed"){if(settings.fx=="normal"){jQuery(target).css('font-size',settings.fixed["size"+i]+'%')}
if(settings.fx=="smooth"){jQuery(target).animate({fontSize:settings.fixed["size"+i]+'%'},settings.fxspeed)}
if((event)&&(settings.store==true)){var duration=((settings.storetime/24) /60);createCookie('fontScalerFixed',(i),duration)}}
if(settings.increment=="variable"){var currentSize=jQuery(target).css('font-size').split("px")[0] * 1;if(event){var pressedbutton=jQuery(event.target);if(pressedbutton.hasClass("disabled")){eraseCookie('fontScalerVariable');return false}}
if(i==1){var newSize=currentSize-((settings.variable["step"]/100) * currentSize)}
else if(i==2){var newSize=currentSize+((settings.variable["step"]/100) * currentSize);if(event){pressedbutton.siblings().removeClass("disabled")}}
else{var newSize=i}
if(settings.fx=="normal"&&newSize>10){jQuery(target).css('font-size',newSize)}
else if(settings.fx=="smooth"&&newSize>10){jQuery(target).animate({fontSize:newSize},settings.fxspeed)}
else if(event){pressedbutton.toggleClass("disabled")}
if((event)&&(settings.store==true)){var duration=((settings.storetime/24) /60);createCookie('fontScalerVariable',(newSize),duration)}}}
var cookievalueFixed=readCookie('fontScalerFixed');if((cookievalueFixed!=null)&&(settings.store==true)){changeFontSize(cookievalueFixed)}
var cookievalueVariable=readCookie('fontScalerVariable');if((cookievalueVariable!=null)&&(settings.store==true)){changeFontSize(cookievalueVariable)}
function createCookie(name,value,days){if(days){var date=new Date();date.setTime(date.getTime()+(days * 24 * 60 * 60 * 1000));var expires="; expires="+date.toGMTString()}
else var expires="";document.cookie=name+"="+value+expires+"; path=/"}
function readCookie(name){var nameEQ=name+"=";var ca=document.cookie.split(';');for(var i=0;i<ca.length;i++){var c=ca[i];while(c.charAt(0)==' ') c=c.substring(1,c.length);if(c.indexOf(nameEQ)==0) return c.substring(nameEQ.length,c.length)}
return null}
function eraseCookie(name){createCookie(name,"",-1)}}})(jQuery);