function resizeFont(whichSize){var p=document.getElementById('content').getElementsByTagName('p');var li=document.getElementById('content').getElementsByTagName('li');if(whichSize=='+')
{changeFontSize(p,whichSize,12,14);changeFontSize(li,whichSize,12,14);}
else if(whichSize=='-')
{changeFontSize(p,whichSize,12,10);changeFontSize(li,whichSize,12,10);}
else
{resetFontSize(p,12);resetFontSize(li,12);}}
function resetFontSize(elementArray,defaultSize){for(i=0;i<elementArray.length;i++)
{elementArray[i].style.fontSize=defaultSize+"px";}}
function changeFontSize(elementArray,whichSize,defaultSize,sizeLimit)
{for(i=0;i<elementArray.length;i++)
{if(elementArray[i].style.fontSize)
{var s=parseInt(elementArray[i].style.fontSize.replace("px",""));}
else
{var s=defaultSize;}
if(s!=sizeLimit)
{if(whichSize=='+'){s+=1;}
if(whichSize=='-'){s-=1;}}
elementArray[i].style.fontSize=s+"px";}}