var currentSize = "12";
addthis_config = {
		ui_delay: 300
}

function increaseTextsize() {
	if(currentSize < 16) {
		currentSize++;
		var divIncrease = arguments[0].split(",");
		
		for(var i=0; i<divIncrease.length; i++){
			document.getElementById(divIncrease[i]).style.fontSize = currentSize + "px";
		}
	}
}

function decreaseTextsize() {
	if(currentSize > 12) {
		currentSize--;
		var divDecrease = arguments[0].split(",");
		
		for(var i=0; i<divDecrease.length; i++){
			document.getElementById(divDecrease[i]).style.fontSize = currentSize + "px";
		}
	}
}