var clok = null;
	var ancho = [0,58,63,59,54];
	var posicion = [0,0,72,149,225];
	
	var otra = null;
	function ini(){
		pastilla2Div= new divControl('pastilla2Div','pastilla2');
		
		if(activo!=0){
			eval("opacity('opc"+activo+"',100,0,500)");
			document.getElementById('pastilla2').style.visibility='visible';
			eval("document.getElementById('menu"+activo+"').style.color='#ffffff'");
			eval("mueve(posicion["+activo+"],activo)");
		}
		else{
			for(i=1;i<=4;i++){
				eval("document.getElementById('menu"+i+"').style.color='#84888D'");
			}
			document.getElementById('pastilla2').style.visibility='hidden';
		}
	}
	function mueve(donde,cual){
		clearTimeout(clok);
			
			document.getElementById('pastilla2').style.visibility='visible';
			otra = cual
			for(i=1;i<=4;i++){
				eval("document.getElementById('menu"+i+"').style.color='#84888D'");
			}
			eval("document.getElementById('menu"+cual+"').style.color='#ffffff'");
			eval("pastilla2Div.slide("+donde+",0,20,12,20,'agranda("+cual+")')");
			if(activo!=otra){
				eval("clok=setTimeout('ini()',3000)");
			}
			
		//clok2=setTimeout("mueve2()",2000);	
	}
	function agranda(cual){
		document.getElementById("past").width=eval("ancho["+cual+"]");
		document.getElementById("past").height=4;
		
	}
	function valida(){
		//document.escuchanos.elements["Contacto[Nombre]"]
		//alert(document.escuchanos.Nombre)
		if(document.contacta.elements["Contacto[Nombre]"].value==""){
			alert("El campo Nombre es obligatorio");
			document.contacta.elements["Contacto[Nombre]"].focus();
		}
		else if(document.contacta.elements["Contacto[Apellidos]"].value==""){
			alert("El campo Apellidos es obligatorio");
			document.contacta.elements["Contacto[Apellidos]"].focus();
		}
		else if(document.contacta.elements["Contacto[Email]"].value==""){
			alert("El campo Email es obligatorio");
			document.contacta.elements["Contacto[Email]"].focus();
		}
		else{
			document.contacta.submit();
			document.location='gracias.html'
			
		}
		
	}
		var str= 0;
	var veces=0;
	//eval("document.getElementById(id).src='img/boton1_on.gif'");
	function opacity(id, opacStart, opacEnd, millisec) {
	//speed for each frame
	
	var speed = Math.round(millisec / 100);
	var timer = 0;
	str = id.substring(3);
	if((str==activo)&&(veces==0)){
		//determine the direction for the blending, if start and end are the same nothing happens
		if(opacStart > opacEnd) {
			
			for(i = opacStart; i >= opacEnd; i--) {
				setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
				timer++;
			}
		} else if(opacStart < opacEnd) {
			for(i = opacStart; i <= opacEnd; i++)
				{
				setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
				timer++;
			}
		}
	}
	else if((str!=activo)&&(veces!=0)){
		if(opacStart > opacEnd) {
			
			for(i = opacStart; i >= opacEnd; i--) {
				setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
				timer++;
			}
		} else if(opacStart < opacEnd) {
			for(i = opacStart; i <= opacEnd; i++)
				{
				setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
				timer++;
			}
		}
	}
	veces+=1
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
	var object = document.getElementById(id).style; 
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}

function shiftOpacity(id, millisec) {
	//if an element is invisible, make it visible, else make it ivisible
	if(document.getElementById(id).style.opacity == 0) {
		opacity(id, 0, 100, millisec);
	} else {
		opacity(id, 100, 0, millisec);
	}
}

function blendimage(divid, imageid, imagefile, millisec) {
	var speed = Math.round(millisec / 100);
	var timer = 0;
	
	//set the current image as background
	document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(imageid).src + ")";
	
	//make image transparent
	changeOpac(0, imageid);
	
	//make new image
	document.getElementById(imageid).src = imagefile;

	//fade in image
	for(i = 0; i <= 100; i++) {
		setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed));
		timer++;
	}
}

function currentOpac(id, opacEnd, millisec) {
	//standard opacity is 100
	var currentOpac = 100;
	
	//if the element has an opacity set, get it
	if(document.getElementById(id).style.opacity < 100) {
		currentOpac = document.getElementById(id).style.opacity * 100;
	}

	//call for the function that changes the opacity
	opacity(id, currentOpac, opacEnd, millisec)
}