var storyText;

var container;
var upperLimit = 4;
var lowerLimit = 1;
var si = 1;

window.addEvent('domready', function(){		
	 container = $("story");
});	


function sizeUp(){
    if(container != null){
        if(si + 1 <= upperLimit){
            si++;
            container.className = "size"+si;
        }
    }
}

function sizeDown(){
    if(container != null){
        if(si - 1 >= lowerLimit){
            si--;
            container.className = "size"+si;
        }
    }
}