var min=9;
var max=18;
var size = 12;
var height = 14;
function increaseFontSize() {
	if (document.getElementById('hold'))	{
		var objID = document.getElementById('hold');
			if(size!=max) {
				size ++;
				height ++;
			}
		objID.style.fontSize = size+"px";
		objID.style.lineHeight = height+"px";
	} else	{
		var objID = document.getElementById('center');
		/*var objID2 = document.getElementById('sidebar');*/
			if(size!=max) {
				size ++;
				height ++;
			}
		objID.style.fontSize = size+"px";
		objID.style.lineHeight = height+"px";
		/*objID2.style.fontSize = size+"px";
		objID2.style.lineHeight = height+"px";*/
	}
}
function decreaseFontSize() {
	if (document.getElementById('hold'))	{
		var objID = document.getElementById('hold');
			if(size!=min) {
				size --;
				height --;
			}
		objID.style.fontSize = size+"px";
		objID.style.lineHeight = height+"px";
	} else	{
		var objID = document.getElementById('center');
		/*var objID2 = document.getElementById('sidebar');*/
			if(size!=min) {
				size --;
				height --;
			}
		objID.style.fontSize = size+"px";
		objID.style.lineHeight = height+"px";
		/*objID2.style.fontSize = size+"px";
		objID2.style.lineHeight = height+"px";*/
	}
}