/* ozclassic main javascript functions */

function ST_OpenWindow(URL, hWnd, WindProps, w, h, centered, focussed)
{
  if (centered) {                
    if (parseInt(navigator.appVersion) >= 4) {
      LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
      TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
      WindProps += ",top="+TopPosition+",left="+LeftPosition+",width="+w+",height="+h;
    }
  }
  else {
    WindProps += ",width="+w+",height="+h;
  }
  win = window.open(URL, hWnd, WindProps);

  if (focussed) {
    win.focus();
  }
  return win;
}

function preloadImages()
{
  var d=document;
  if (d.images) {
    if (!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=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+2];}
}

function addOnLoad(fn)
{
  var previousOnLoad = (window.onload ? window.onload : new Function());
  window.onload = function () { previousOnLoad(); fn(); }
}

function wordCount(string, maxwords) {
  var a = string.split(/\s+/g); // split the sentence into an array of words
  if (a.length > maxwords) {
    alert("The word limit is " + maxwords + "\n\nYou have " + a.length + " words\n\n");
    return false;
  }
  return true;
}