if ((screen.width == 640) && (screen.height == 480)) 
alert ("ATENCIÓN!!\r\rLa resolución de pantalla que Ud. utiliza actualmente no le permitirá ver bien este sitio.\r\rPor favor, cambie la resolución a 800x600 o más.\r\r\rGracias.")

var fadeOpacity  = new Array();
var fadeTimer    = new Array();
var fadeInterval = 100;  // milliseconds

function fade(o,d) {
  // o - Object to fade in or out.
  // d - Display, true =  fade in, false = fade out

  var obj = document.getElementById(o);

  if((fadeTimer[o])||(d&&obj.style.display!='block')||(!d&&obj.style.display=='block')) {
    if(fadeTimer[o])
      clearInterval(fadeTimer[o]);
    else
      if(d) fadeOpacity[o] = 0;
      else  fadeOpacity[o] = 9;
  
    obj.style.opacity = "."+fadeOpacity[o].toString();
    obj.style.filter  = "alpha(opacity="+fadeOpacity[o].toString()+"0)";
    
    if(d) {
      obj.style.display = 'block';
      fadeTimer[o] = setInterval('fadeAnimation("'+o+'",1);',fadeInterval);
    } else
      fadeTimer[o] = setInterval('fadeAnimation("'+o+'",-1);',fadeInterval);
  }
}

function fadeAnimation(o,i) {
  // o - o - Object to fade in or out.
  // i - increment, 1 = Fade In

  var obj = document.getElementById(o);
  fadeOpacity[o] += i;
  obj.style.opacity = "."+fadeOpacity[o].toString();
  obj.style.filter  = "alpha(opacity="+fadeOpacity[o].toString()+"0)";

  if((fadeOpacity[o]=='9')|(fadeOpacity[o]=='0')) {
    if(fadeOpacity[o]=='0')
      obj.style.display = 'none';
    else {
      obj.style.opacity = "1";
      obj.style.filter  = "alpha(opacity=100)";
    }

    clearInterval(fadeTimer[o]);
    delete(fadeTimer[o]);
    delete(fadeTimer[o]);
    delete(fadeOpacity[o]);
  }  
}


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_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  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 && d.getElementById) x=d.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 Launch(page) { 
OpenWin = this.open(page, "CtrlWindow", "toolbar=no,menubar=no,location=no,scrollbars=no,resizable=no,width=745,height=567"); 
} 

function fuerzadisplay(ID) {
		if(navigator.appVersion.indexOf("Win") != -1){
		cual = document.getElementById(ID).style;
		if (cual.display == "none" || cual.display == "") {
			cual.display = "block";
		}else {
			cual.display = "none";
		}
		return false;		
	}
}