var currentSize=3;

function textSize(type) {
   var sizes = new Array("xxsmall", "xsmall", "small", "medium", "large", "xlarge", "xxlarge");
      
   if(type=="increase") {
      if(currentSize<6){
	     currentSize++;
      }
   }

   if(type=="decrease") {
      if(currentSize>0){
	     currentSize--;
      }
   }
   
   document.getElementById('story-body').className=sizes[currentSize];
   document.getElementById('story-body2').className=sizes[currentSize];
}