var popwin;
function popupWin(url, name, h, w, scroll, resize, utils) 
{
  var msg = '\nUSAGE: popupWin(<url>, <name>, <height>, <width>[, <scroll>, <resize>, <utils>])';
  
  // check for required params
  if (url == null || url == "")
  {
    alert("You must pass in a URL" + msg);
    return;
  }
  if (name == null || name == "")
  {
    alert("You must pass in a window name" + msg);
    return;
  }
  if (h == null || h == "")
  {
    alert("You must pass in a window height" + msg);
    return;
  }
  if (w == null || w == "")
  {
    alert("You must pass in a window width" + msg);
    return;
  }
 
  // set screen size/position
  var winl = (screen.width - w) / 2;
  var wint = (screen.height - h) / 2;
  var opts = 'height='+h+',width='+w+',top='+wint+',left='+winl;
  
  // if utils passed in, set a bunch of options
  if (utils != null && (utils == "yes" || utils == "true" || utils == "on" || utils == "1"))
  {
    opts += ",location=yes,menubar=yes,statusbar=yes";
  }
  else
  {
    opts += ",location=no,menubar=no,statusbar=no";
  }
  
  // scroll and resize are optional
  if (scroll != null && (scroll == "yes" || scroll == "true" || scroll == "on" || scroll == "1"))
  {
    opts += ",scrollbars=yes";
  }
  else
  {
    opts += ",scrollbars=no";
  }
  if (resize != null && (resize == "yes" || resize == "true" || resize == "on" || resize == "1"))
  {
    opts += ",resizable=yes";
  }
  else
  {
    opts += ",resizable=no";
  }
 
  popwin = window.open(url,name,opts);
  if (parseInt(navigator.appVersion) >= 4)
  { popwin.focus(); }
}


function validate(form)
{
    var msg = "Please enter both your real name and your email address";
    var name = form.realname.value;
    var email = form.email.value;

    
    // check for any space characters that may be input
    
    if (name == "" || name == null || email == "" || email == null)
    {
        alert (msg);
        return false;
    }
}


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_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) { //v4.0
  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 && document.getElementById) x=document.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];}
}