function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}
window.onload = externalLinks;

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

//Poner el footer en su lugar

function getWindowHeight() {
  var windowHeight = 0;
  if (typeof(window.innerHeight) == 'number') {
	windowHeight = window.innerHeight;
  }
  else {
  if (document.documentElement && document.documentElement.clientHeight) {
	windowHeight = document.documentElement.clientHeight;
  }
  else {
  if (document.body && document.body.clientHeight) {
	windowHeight = document.body.clientHeight;
	}
  }
  }
  return windowHeight;
  }
  
function setFooter() {
  if (document.getElementById) {
	var windowHeight = getWindowHeight();
  if (windowHeight > 0) {
	var contentHeight = document.getElementById('content').offsetHeight;
	var footerElement = document.getElementById('footer');
	var footerHeight  = footerElement.offsetHeight;
  if (windowHeight - (contentHeight + footerHeight) >= 0) {
	footerElement.style.position = 'relative';
	footerElement.style.top = (windowHeight - (contentHeight + footerHeight)) + 'px';
	}
  else {
	footerElement.style.position = 'static';
	}
  }
  }
}
  window.onload = function() {
	setFooter();
  }
  window.onresize = function() {
	setFooter();
  }
  
function overMore(mouseplace, elementName)
{
	if (mouseplace == "out")
	{					
		document.getElementById(elementName).style.display='none';
	}
	else if(mouseplace == "over")
	{
		document.getElementById(elementName).style.display='';
	}
}