function init() {
	var dom = document.getElementById ? true:false;
	var nn4 = document.layers ? true:false;
	var ie4 = document.all ? true:false;

	// SACO LOADING
	if(ie4){
		document.all['loading'].style.visibility = 'hidden';
	}
	else if(nn4){
		document.layers['loading'].visibility = 'hidden';
	}
	else if(dom){
		document.getElementById('loading').style.visibility = "hidden";
	}
	
}