function open_bloque_contacto(){
	if(document.getElementById("footer_options").style.display=="none"){
		effect_1 = Effect.SlideDown('footer_options',{duration:1.0});	
		document.getElementById("openclose").style.backgroundPosition= "-60px";
	}else{
		Effect.SlideUp('footer_options',{duration:1.0});
		document.getElementById("openclose").style.backgroundPosition= "0px";
	}
}




function bloque_contacto(bloque){
	document.getElementById("contacto_sam").style.display="none";
	document.getElementById("contacto_nam").style.display="none";
	document.getElementById("contacto_asi").style.display="none";
	document.getElementById("sam").className="footer_unselected";
	document.getElementById("nam").className="footer_unselected";
	document.getElementById("asi").className="footer_unselected";
	document.getElementById("formulario").style.display="block";
	document.getElementById("contacto_"+bloque+"").style.display="block";
	document.getElementById(bloque).className="footer_selected";
}





function bloque_idioma(){
	if(document.getElementById("language").style.display=="none"){
		document.getElementById("language").style.display="block";
	}else{
		document.getElementById("language").style.display="none";
	}
}