function right(e) {
if (navigator.appName == 'Netscape' && 
(e.which == 3 || e.which == 2))
return false;
else if (navigator.appName == 'Microsoft Internet Explorer' && 
(event.button == 2 || event.button == 3)) {
alert("Copyright© Clínica Clarós. Todos los derechos reservados. ");
return false;
}
return true;
}
document.onmousedown=right;
if (document.layers) window.captureEvents(Event.MOUSEDOWN);
window.onmousedown=right;

<!--//-->
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_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];}
}


<!--//-->

nMaxItem = 2;
NameIndex = 0;
DefaultState = 1;

MouseOverState = 2;
MouseDownState = 1;
imgCounter = 0;

ImageList = new Array();

bIsSupportOK = (((navigator.appName == "Netscape")
&& (parseInt(navigator.appVersion) >= 3))
|| ((navigator.appName == "Microsoft Internet Explorer")
&& (parseInt(navigator.appVersion)>= 3)));

function AddImageToImageList(name, Default, MouseOver, MouseDown)
{
	ImageList[imgCounter] = new Array(nMaxItem);
	ImageList[imgCounter][NameIndex] = name;
	ImageList[imgCounter][DefaultState] = new Image();
	ImageList[imgCounter][DefaultState].src = Default;
	if (MouseOver != "") {
		ImageList[imgCounter][MouseOverState] = new Image();
		ImageList[imgCounter][MouseOverState].src = MouseOver;
	}
	if (MouseDown != "") {
		ImageList[imgCounter][MouseDownState] = new Image();
		ImageList[imgCounter][MouseDownState].src = MouseDown;
	}

	imgCounter++;
}

function ReplaceImage(name, state)
{
	for (i = 0; i < imgCounter; i++) {
		if (document.images[ImageList[i][NameIndex]] != null) {
			if ((name == ImageList[i][NameIndex]) && (ImageList[i][state] != null))
				document.images[name].src = ImageList[i][state].src;
		}
	}
}



AddImageToImageList("keimcobutton", "images/keimcobutton_normal.gif", "images/keimcobutton_over.gif","");
AddImageToImageList("koimcobutton", "images/koimcobutton_normal.gif", "images/koimcobutton_over.gif","");
AddImageToImageList("heimcobutton", "images/heimcobutton_normal.gif", "images/heimcobutton_over.gif","");
AddImageToImageList("beimcobutton", "images/beimcobutton_normal.gif", "images/beimcobutton_over.gif","");
AddImageToImageList("selcanbutton", "images/selcanbutton_normal.gif", "images/selcanbutton_over.gif","");
AddImageToImageList("nuexperbutton", "images/nuexperbutton_normal.gif", "images/nuexperbutton_over.gif","");
AddImageToImageList("nuespbutton", "images/nuespbutton_normal.gif", "images/nuespbutton_over.gif","");
AddImageToImageList("nucenbutton", "images/nucenbutton_normal.gif", "images/nucenbutton_over.gif","");


function mOvr(src,clrOver) {

    if (!src.contains(event.fromElement)) {

          src.style.cursor = 'hand';

          src.bgColor = clrOver;

        }
  }

  function mOut(src,clrIn) {

        if (!src.contains(event.toElement)) {

          src.style.cursor = 'default';

          src.bgColor = clrIn;

        }

  }

  function mClk(src) {

    if(event.srcElement.tagName=='TD'){

          src.children.tags('A')[0].click();

    }

  }

<!--//-->
function infoscroll(seed,looped)
{
  var text1  = "      Bienvenido a la página en internet de la Clínica Clarós   --  Centro de Implantes Cocleares  --  Fundación Clarós ";

  var msg=text1;
  var putout = " ";
  var c   = 1;

  if (looped > 1) 
  {  window.status="Clínica Clarós -- Centro de Implantes Cocleares -- Fundación Clarós";  }
  else if (seed > 100) 
  {
     seed--;
     var cmd="infoscroll(" + seed + "," + looped + ")";
     timerTwo=window.setTimeout(cmd,100);
  }
  else if (seed <= 100 && seed > 0) 
  {
    for (c=0 ; c < seed ; c++) 
    {  putout+=" ";  }
    putout+=msg.substring(0,100-seed);	
    seed--;
    var cmd="infoscroll(" + seed + "," + looped + ")";
    window.status=putout;
    timerTwo=window.setTimeout(cmd,100);
  }
  else if (seed <= 0) 
  {
    if (-seed < msg.length) 
    {
      putout+=msg.substring(-seed,msg.length);
      seed--;
      var cmd="infoscroll(" + seed + "," + looped + ")";
      window.status=putout;
      timerTwo=window.setTimeout(cmd,100); // 100
    }
    else 
    {
      window.status=" ";
      looped += 1;
      var cmd = "infoscroll(100," + looped + ")";
      timerTwo=window.setTimeout(cmd,75); // 75
    }
  }
}

infoscroll(100,1)
<!--//-->
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
<!--//-->