function preloadImg(imagenes){
	var i;
	var lista_imagenes = new Array();
	for(i in imagenes){
		lista_imagenes[i] = new Image();
		lista_imagenes[i].src = imagenes[i];
	}
}
function submitForm(nameForm){
	document.forms[nameForm].submit();
}
function flip(ide){
	id=document.getElementById(ide);
	if (id.style.display=='none'){
		id.style.display='block';
	}else{
		id.style.display='none';
	}
}
function changeImgSrc(id,name){
	elem=document.getElementById(id);
	elem.src="images/pastilla/imgPastilla2"+name+".jpg";
}
function botonOver(ide){
	id=document.getElementById(ide);
	id.style.backgroundImage= "url(images/botonMenuMed2.png)";
	id.style.color="#0066FF";
	id.style.cursor="pointer";
}
function botonOut(ide){
	id=document.getElementById(ide);
	id.style.backgroundImage= "url(images/botonMenuMed.png)";
	id.style.color="#000000";
}
function flipMessageIcons(id,message){
	elem=document.getElementById(id);
	elem.firstChild.nodeValue = message; 
}
function accordionEffect(id,mini,maxi){
	elem=document.getElementById(id);
	alto=parseInt(elem.style.height);
	if(alto<(mini+1)){
		accordionExpand(id,mini,maxi);
	}else if(alto>(maxi-1)){
		accordionContract(id,mini,maxi);
	}else{
		alert("FFF");
	}
}
function accordionExpand(id,mini,maxi){
	elem=document.getElementById(id);
	elem.style.height=maxi+"px";
	if (id=="opiniones"){
		document.getElementById("opinionesButton").style.backgroundImage="url(images/opiniones/menosOpiniones.jpg)";
	}
}
function accordionContract(id,mini,maxi){
	elem=document.getElementById(id);
	elem.style.height=mini+"px";
	if (id=="opiniones"){
		document.getElementById("opinionesButton").style.backgroundImage="url(images/opiniones/masOpiniones.jpg)";
	}
}
function bookmarkUs(){
	name="Nivel4 - La escuela de trading";
	url="http://www.nivel4.com";
	if (navigator.appName!='Microsoft Internet Explorer') window.sidebar.addPanel(name,url,""); 
	else window.external.AddFavorite(url,name); 
}
function switchPastillaContent(next){
	item1=document.getElementById("pastillaMenuItem1");
	item2=document.getElementById("pastillaMenuItem2");
	item3=document.getElementById("pastillaMenuItem3");
	content1=document.getElementById("pastillaContent1");
	content2=document.getElementById("pastillaContent2");
	content3=document.getElementById("pastillaContent3");
	if (next=='1'){
		item1.style.backgroundImage="url(images/pastilla/pastillaItem1B.jpg)";
		item2.style.backgroundImage="url(images/pastilla/pastillaItem2A.jpg)";
		item3.style.backgroundImage="url(images/pastilla/pastillaItem3A.jpg)";
		content1.style.display="block";
		content2.style.display="none";
		content3.style.display="none";
	}else if(next=='2'){
		item1.style.backgroundImage="url(images/pastilla/pastillaItem1A.jpg)";
		item2.style.backgroundImage="url(images/pastilla/pastillaItem2B.jpg)";
		item3.style.backgroundImage="url(images/pastilla/pastillaItem3A.jpg)";
		content1.style.display="none";
		content2.style.display="block";
		content3.style.display="none";
	}else if(next=='3'){
		item1.style.backgroundImage="url(images/pastilla/pastillaItem1A.jpg)";
		item2.style.backgroundImage="url(images/pastilla/pastillaItem2A.jpg)";
		item3.style.backgroundImage="url(images/pastilla/pastillaItem3B.jpg)";
		content1.style.display="none";
		content2.style.display="none";
		content3.style.display="block";
	}
}
function aumentarAltoDiv(id,cantidad){
	elem=document.getElementById(id);
	alto=parseInt(elem.style.height);
	nuevo=alto+cantidad;
	elem.style.height=nuevo+"px";
}