jQuery(document).ready(function(){function changeFontSize(whatToDo){var newValue;var baseValue=100;var minValue=90;var maxValue=150;var increment=10;var parameterUnit="%";switch(whatToDo){case"smaller":newValue=actValue-increment;break;case"reset":newValue=baseValue;break;case"larger":newValue=actValue+increment;break;}
if(newValue<minValue){newValue=minValue;}
if(newValue>maxValue){newValue=maxValue;}
document.getElementsByTagName("body")[0].style.fontSize=newValue+parameterUnit;if(actValue!=newValue){jQuery.ajax({url:'index.php?eID=no_fontsize&tx_nofontsize_newvalue='+newValue,success:function(result){}});actValue=newValue;}}
jQuery('.resetFont').click(function(event){event.preventDefault();changeFontSize('reset');});jQuery('.increaseFont').click(function(event){event.preventDefault();changeFontSize('larger');});jQuery('.decreaseFont').click(function(event){event.preventDefault();changeFontSize('smaller');});});