// JavaScript Document
function ScaleSize(){

var frameHeight = document.body.clientHeight;

	if (frameHeight < 520) {
	
	var div = document.getElementsByTagName("div");
	for(var i=0; i<div.length; i++){
	var nome_classe = div[i].className;
	
	
	if (nome_classe=="horizon"){
		div[i].setAttribute("class", "horizon2");		
			
		}
	}
	}
}
addResizeEvent(ScaleSize);