// JavaScript Document
var minSize=10;
var maxSize=18;
function plusFont() {
var s = document.getElementsByClassName('contentpara');
 for(i=0;i<s.length;i++)
  {
	if(s[i].style.fontSize)
	{
	var t = parseInt(s[i].style.fontSize.replace("px",""));
	} 
	else
	{
	var t = 12;
	}
	if(t!=maxSize) 
	{
		t += 1;
	}
	s[i].style.fontSize = t+"px";
  }
}

function minusFont() {
var s = document.getElementsByClassName('contentpara');
for(i=0;i<s.length;i++) {
if(s[i].style.fontSize)
{
var t = parseInt(s[i].style.fontSize.replace("px",""));
} 
else
{
var t = 12;
}
if(t!=minSize)
{
t -= 1;
}
s[i].style.fontSize = t+"px";
}
}