function changeMainImg(newsrc)
{
  document.getElementById("mainindexpageimage").src = newsrc;
}    

function changeMainImgLink(newhref)
{
  document.getElementById("mainindexpageimagelink").href = newhref;
}

function changeMainImgSummary(productinfodiv) 
{
    document.getElementById("activeproductsummary").innerHTML = document.getElementById(productinfodiv).innerHTML;
}    

function getparenthref() 
{
  var qsParm = getquerystring();
  if (qsParm['parenthref'])
  {
    if (document.getElementById("parenthreflink") != null && 
        document.getElementById("parenthreflink") != 'undefined')
    {          
      document.getElementById("parenthreflink").href = qsParm['parenthref'];
    }
  }
} 

function getquerystring() 
{
  var qsParm = new Array();
  var query = window.location.search.substring(1);
  var parms = query.split('&');
  for (var i=0; i<parms.length; i++) 
  {
    var pos = parms[i].indexOf('=');
    if (pos > 0) 
    {
      var key = parms[i].substring(0,pos);
      var val = parms[i].substring(pos+1);
      qsParm[key] = val;
    }
  }
  return qsParm;
}

function initializePage()
{
  
  getcontent_height(); //From paooscrollbox.js
  getparenthref();
}