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) { //v4.01
  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+1];
    document.getElementById('site-slogan').innerHTML=a[i+2];
   }
}
// Comma separated list of images to rotate
var imgs = new Array('img/header_vob820.jpg','img/header_vob800.jpg', 'img/header_vx500.jpg');

var slogans = new Array(
'<p class="title" style="color:#000000">IP Phone - VOB820</p><p class="subtitle" style="color:#E0E0E0">Excellent \&bull; Sound \&bull; Quality</p><p class="text">Support Industry SIPv2<br />Codec G.711a/u, G.723, G.726, G.729</p><p class="readmore">\&rsaquo;\&rsaquo;\&rsaquo;\&nbsp;<a href="vob820.html">Go to details</a></p>',
'<p class="title" style="color:#000000">VOIP Phone Adapter - VOB800</p><p class="subtitle" style="color:#E0E0E0">Quality \&bull; Standard \&bull; Robust</p><p class="text">Support Industry SIPv2<br />Codec G.711a/u, G.723, G.726, G.729</p><p class="readmore">\&rsaquo;\&rsaquo;\&rsaquo;\&nbsp;<a href="vob800-2s.html">Go to details</a></p>',
'<p class="title" style="color:#000000">IP PBX /w 4 FXO ports</p><p class="subtitle" style="color:#E0E0E0">Feature-rich &bull; Cost-effective</p><p class="text">Support SIP and All Common Codecs<br />Support 100 registered User<br/>and 20 Concurrent Calls</p><p class="readmore">\&rsaquo;\&rsaquo;\&rsaquo;\&nbsp;<a href="vx500.html">Go to details</a></p>');
			
// delay in milliseconds between image swaps 1000 = 1 second
var delay = 6000;
var counter = Math.floor(Math.random()*imgs.length);

function preloadImgs(){
  for(var i=0;i<imgs.length;i++){
    MM_preloadImages(imgs[i]);
  }
}

function randomImages(){
  if(counter == (imgs.length)){
    counter = 0;
  }
  MM_swapImage('rotator', imgs[counter], slogans[counter]);
  counter++;
  setTimeout('randomImages()', delay);
}