function switchFontSize(element)
{
	var inputValue = document.getElementById("fontSize");
	var newNumber;
	//alert(element.className);
	if(element.id == "ja-tool-reset")
	{
		element.className = "4";
		newNumber = 4;
		inputValue.value = 4;
	}
	else if(element.id == "ja-tool-increase")
	{
		newNumber = parseInt(inputValue.value) + 1;
		if( newNumber >= 6)
		{
			newNumber = 6;
			inputValue.value = newNumber;
			
		}
		else
		{
			inputValue.value = newNumber;
		}
		
		//alert(newNumber);
		element.className = newNumber;
	}
	else if(element.id == "ja-tool-decrease")
	{
		newNumber = parseInt(inputValue.value) - 1;
		if (newNumber <= 1)
		{
			newNumber = 1;
			inputValue.value = newNumber;
		}
		else 
		{
			inputValue.value = newNumber;
		}
		//alert(newNumber);
		element.className = newNumber;
	}
	
	var classValue = document.getElementById("ja-wrapper");
	classValue.className = "fs" + newNumber;
}