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 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 addLoadEvent(func) {
      var oldonload = window.onload;
      if (typeof window.onload != 'function') {
        window.onload = func;
      } else {
        window.onload = function() {
          if (oldonload) {
            oldonload();
          }
          func();
        }
      }
    }
   
    function prodPreLoad() {
        MM_preloadImages('images/straight_sunroom.jpg','images/straight_sunroom_interior.jpg','images/curved_sunroom.jpg','images/curved_sunroom_interior.jpg','images/cathedral_roof_sunroom.jpg','images/cathedral_roof_sunroom_interior.jpg','images/conservatory.jpg','images/conservatory_interior.jpg','images/aluminum_sunroom_closeup.jpg','images/aluminum_sunroom.jpg','images/wood_conservatory_closeup.jpg','images/wood_conservatory.jpg','images/vinyl_patio_room_closeup.jpg','images/vinyl_patio_room.jpg');
        //alert("MM_preloadImages"); //TODO: Remove line for prod 
    }