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_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 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;
}



/*************************************************************************
  This code is from Dynamic Web Coding at http://www.dyn-web.com/
  See Terms of Use at http://www.dyn-web.com/bus/terms.html
  regarding conditions under which you may use this code.
  This notice must be retained in the code as is!
*************************************************************************/

function getDocHeight(doc) {
  var docHt = 0, sh, oh;
  if (doc.height) docHt = doc.height;
  else if (doc.body) {
    if (doc.body.scrollHeight) docHt = sh = doc.body.scrollHeight;
    if (doc.body.offsetHeight) docHt = oh = doc.body.offsetHeight;
    if (sh && oh) docHt = Math.max(sh, oh);
  }
  return docHt;
}

function setIframeHeight(iframeName) {
  var iframeWin = window.frames[iframeName];
  var iframeEl = document.getElementById? document.getElementById(iframeName): document.all? document.all[iframeName]: null;
  if ( iframeEl && iframeWin ) {
    iframeEl.style.height = "auto"; // helps resize (for some) if new doc shorter than previous
    var docHt = getDocHeight(iframeWin.document);
    // need to add to height to be sure it will all show
    if (docHt) iframeEl.style.height = docHt + 30 + "px";
  }
}

function loadIframe(iframeName, url) {
  if ( window.frames[iframeName] ) {
    window.frames[iframeName].location = url;
    return false;
  }
  else return true;
}

function goSetHeight() {
  /*
  if (parent == window) return;
  // no way to obtain id of iframe object doc loaded into? no parentNode or parentElement or ...
  else parent.setIframeHeight('contentFrame');
  */
}


var legalRun = 0;

function legalWindow (theFile,features)
{
  if (legalRun == 1)
  {
    if ( ! legalstatus.closed){legalstatus.close();};
  };

  legalstatus = window.open("http://www.7m.com/" + theFile,"legal",features);

  legalRun = 1;
}

function checkDemoForm ( form )
{
  // ** START **
  if (form.txtPerson.value == "") {
    alert( "You must enter the name of a contact person" );
    form.txtPerson.focus();
    return false ;
  }
  if (form.txtEmail.value == "") {
    alert( "You must enter an email address" );
    form.txtEmail.focus();
    return false ;
  }
  if (form.txtPhone.value == "") {
    alert( "You must enter a phone number" );
    form.txtPhone.focus();
    return false ;
  }
  return true ;
}

function openWindowMaximized( url )
{
    var options = "directories=no,location=no,resizable=yes,menubar=no,toolbar=yes,status=yes,height=screen.availHeight,width=screen.availWidth,left=0,top=0";
    window.open(url, "_blank", options);
}