src = ["http://www.shikatronics.com.mx/images/head1(dram).jpg","http://www.shikatronics.com.mx/images/head1(cards).jpg", "http://www.shikatronics.com.mx/images/head2(25en1).jpg","http://www.shikatronics.com.mx/images/head1(mp3).jpg","http://www.shikatronics.com.mx/images/head1(cell).jpg","http://www.shikatronics.com.mx/images/head1(PDA).jpg"]

url = ["http://www.shikatronics.com.mx/ram.html","http://www.shikatronics.com.mx/tarjetas_flash.html", "http://www.shikatronics.com.mx/lectores_tarjeta.html","http://www.shikatronics.com.mx/Nuevo%20Mp3%20Flash.html","http://www.shikatronics.com.mx/tarjetas_flash.html","http://www.shikatronics.com.mx/tarjetas_flash.html"]

duration = 6;

ads=[]; ct=0;
function switchAd() {
var n=(ct+1)%src.length;
if (ads[n] && (ads[n].complete || ads[n].complete==null)) {
document["Ad_Image"].src = ads[ct=n].src;
}
ads[n=(ct+1)%src.length] = new Image;
ads[n].src = src[n];
setTimeout("switchAd()",duration*1000);
}
function doLink(){
location.href = url[ct];
} onload = function(){
if (document.images)
switchAd();
}

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_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}


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 cambia(archivo) {
  if (archivo != "") {
    document.location=archivo;
  }
}


function MOSTRAR(nombre){
	var dir="imagenes/"+nombre;
	document.getElementById('x').src=dir;
	}