function ToggleVersion() {
	
	var address=String(this.location);
	var version=address.charAt(address.lastIndexOf("?")+1);

	if (version == 'i') {
		target = document.all( "ita" );
		if(target)
			target.style.display = "";
		target = document.all( "en" );
		if(target)
			target.style.display = "none";
	}
	else
	if (version == 'e') {
		target = document.all( "en" );
		if(target)
			target.style.display = "";
		target = document.all( "ita" );
		if(target)
			target.style.display = "none";
	}
	else
	{
		target = document.all( "en" );
		if(target)
			target.style.display = "";
		target = document.all( "ita" );
		if(target)
			target.style.display = "none";
	}	
}