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 calcHeight()
{
  var the_height=document.getElementById('main').contentWindow.document.body.scrollHeight;//find the height of the internal page
  document.getElementById('main').style.height=the_height;//change the height of the iframe
}

function browserBack() {
 history.back(); 
}

function switchImage(imageId) {
 document.productView.loadingPic.src="update/img/web/loading.gif";
 URL = "switchImage.php?id="+imageId;
 processor.location=URL;
}

function home() {
 parent.nav.location="nHome.htm"
 parent.loc.location="fHome.htm"
 parent.main.location="update/home.php"
}


function home2() {
 document.nav.location="nHome.htm"
 document.loc.location="fHome.htm"
 document.main.location="update/home.php"
}

function products() {
 parent.nav.location="nProducts.htm"
 parent.loc.location="fProducts.htm"
 parent.main.location="product_catalogue.php"
}

function services() {
 parent.nav.location="nServices.htm"
 parent.loc.location="fServices.htm"
 parent.main.location="html/services.htm"
}

function rentals() {
 parent.nav.location="nRentals.htm"
 parent.loc.location="fRentals.htm"
 parent.main.location="html/rentals.htm"
}

function pictures() {
 parent.nav.location="nPictures.htm"
 parent.loc.location="fPictures.htm"
 parent.main.location="html/pictures.htm"
}

function contact() {
 parent.nav.location="nContact.htm"
 parent.loc.location="fContact.htm"
 parent.main.location="contact.htm"
}

function sitemap() {
 parent.main.location="html/site_map.htm"
}

function about() {
 parent.main.location="html/about_us.htm"
}

function ql() {
 parent.nav.location="nProducts.htm"
 parent.loc.location="fProducts.htm"
 parent.main.location="img/HR1000.jpg"
}