// JavaScript Document
var suma = 0.1;

	function cambiaEstado(iden)
	{
	var elhtml = document.getElementById(iden);
	if (elhtml.style.display == 'block')
		 elhtml.style.display = 'none';
	else
		 elhtml.style.display = 'block';
	}

function aparecer(mi_div){
	var nombre=mi_div;
	var obj = document.getElementById(mi_div);
	aux = Number(obj.style.opacity) + Number(suma);
	//aux=aux*100;
	
	obj.style.display = "block";
	color = aux ;
	
	
	//alert(color);
	if (!(color>=1.10)){
			obj.style.filter = 'alpha(opacity='+color * 100+')';
			//obj.filters.alpha.opacity=color;
				 obj.style.opacity = color;
				 obj.style.MozOpacity = color;
				 obj.style.KHTMLOpacity = color;
			window.setTimeout (function(){aparecer(nombre);}, 50);
	}
}

function desvanecer(mi_div2) {
	var nombre=mi_div2;
	var obj2 = document.getElementById(mi_div2);
		var aux=Number(obj2.style.opacity);		
	
		aux -= suma;
		color = aux;
		if (!(color <=-0.10)){
			obj2.style.filter = 'alpha(opacity='+color * 50+')';
				//obj2.filters.alpha.opacity=color;
				 obj2.style.opacity = color;
				 obj2.style.MozOpacity = color;
				 obj2.style.KHTMLOpacity = color;
			window.setTimeout (function(){desvanecer(nombre);}, 100);
		}
		else
			obj2.style.display="none";
}

function desplaza(dire, velo, dist, pos_ini, id_obj){
	if ((dire == "d") || (dire == "i"))
		var posicion_actual = parseInt(document.getElementById(id_obj).style.left);
	if ((dire == "ar") || (dire == "ab"))
		var posicion_actual = parseInt(document.getElementById(id_obj).style.top);
		
		
	if ( Math.abs(pos_ini - posicion_actual) >= dist){
		if (dire == "d") 
			document.getElementById(id_obj).style.left = pos_ini + dist + 'px';
		if (dire == "i")
			document.getElementById(id_obj).style.left = pos_ini - dist + 'px';	
		if (dire == "ar")
			document.getElementById(id_obj).style.top = pos_ini - dist + 'px';
		if (dire == "ab")
			document.getElementById(id_obj).style.top = pos_ini + dist + 'px';
	}
	else{
		if (dire == "d") 
			document.getElementById(id_obj).style.left = posicion_actual + velo + 'px';
		if (dire == "i")
			document.getElementById(id_obj).style.left = posicion_actual - velo + 'px';	
		
		if (dire == "ar")
			document.getElementById(id_obj).style.top = posicion_actual - velo + 'px';
		if (dire == "ab")
			document.getElementById(id_obj).style.top = posicion_actual + velo + 'px';
		
		window.setTimeout (function(){desplaza(dire,velo,dist,pos_ini,id_obj);}, 1);
	}
		
	
}

	
function carga(mi_div){
var objeto=document.getElementById(mi_div);
aux=objeto.style.opacity;

if (aux == undefined){
	objeto.style.opacity =0;
}
}

var mouseIsOver=false;
function nada(){
	if((mouseIsOver==false) && (document.getElementById('menu').style.top=='-40px')){
		desplaza ('ab', 2, 40, -40, 'menu');		
		desvanecer('menu2');
	}
	
}

//document.getElementById('menu2').style.opacity=0;