var min=12;var max=18;function increaseFontSize(){var p=document.getElementsByTagName('p');for(i=0;i<p.length;i++){if(p[i].style.fontSize){var s=parseInt(p[i].style.fontSize.replace("px",""),10);}else{var s=16;}
if(s!=max){s+=1;}
p[i].style.fontSize=s+"px";}
var ol=document.getElementsByTagName('ol');for(i=0;i<ol.length;i++){if(ol[i].style.fontSize){var s=parseInt(ol[i].style.fontSize.replace("px",""),10);}else{var s=16;}
if(s!=max){s+=1;}
ol[i].style.fontSize=s+"px";}
var td=document.getElementsByTagName('td');for(i=0;i<td.length;i++){if(td[i].style.fontSize){var s=parseInt(td[i].style.fontSize.replace("px",""),10);}else{var s=16;}
if(s!=max){s+=1;}
td[i].style.fontSize=s+"px";}
var th=document.getElementsByTagName('th');for(i=0;i<th.length;i++){if(th[i].style.fontSize){var s=parseInt(th[i].style.fontSize.replace("px",""),10);}else{var s=16;}
if(s!=max){s+=1;}
th[i].style.fontSize=s+"px";}}
function decreaseFontSize(){var p=document.getElementsByTagName('p');for(i=0;i<p.length;i++){if(p[i].style.fontSize){var s=parseInt(p[i].style.fontSize.replace("px",""),10);}else{var s=16;}
if(s!=min){s-=1;}
p[i].style.fontSize=s+"px";}
var ol=document.getElementsByTagName('ol');for(i=0;i<ol.length;i++){if(ol[i].style.fontSize){var s=parseInt(ol[i].style.fontSize.replace("px",""),10);}else{var s=16;}
if(s!=min){s-=1;}
ol[i].style.fontSize=s+"px";}
var td=document.getElementsByTagName('td');for(i=0;i<td.length;i++){if(td[i].style.fontSize){var s=parseInt(td[i].style.fontSize.replace("px",""),10);}else{var s=16;}
if(s!=min){s-=1;}
td[i].style.fontSize=s+"px";}
var th=document.getElementsByTagName('th');for(i=0;i<th.length;i++){if(th[i].style.fontSize){var s=parseInt(th[i].style.fontSize.replace("px",""),10);}else{var s=16;}
if(s!=min){s-=1;}
th[i].style.fontSize=s+"px";}}