function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

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_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_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') {
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (val<min || max<val) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function replace(string,text,by) {
// Replaces text with by in string
    var strLength = string.length, txtLength = text.length;
    if ((strLength == 0) || (txtLength == 0)) return string;

    var i = string.indexOf(text);
    if ((!i) && (text != string.substring(0,txtLength))) return string;
    if (i == -1) return string;

    var newstr = string.substring(0,i) + by;

    if (i+txtLength < strLength)
        newstr += replace(string.substring(i+txtLength,strLength),text,by);

    return newstr;
}

function getExtension(value,el) {
  var fileType = value.substring(value.lastIndexOf('.') + 1,value.length);
  if (fileType != "jpg" && fileType != "jpeg" && fileType != "JPG" && fileType != "JPEG"  && fileType != "gif"  && fileType != "GIF"  && fileType != "Gif") {
  alert("You can only upload JPEG and GIF images to the server.\n----Please try again----\nTo see the file type of your files\nlook at the last three letters of the filename.\n JPG, JPEG and GIF are the only extensions allowed." )
  el.value=='';
  }
}
function getLayoutExtension(value,el) {
  var fileType = value.substring(value.lastIndexOf('.') + 1,value.length);
  if (fileType != "jpg" && fileType != "jpeg" && fileType != "JPG" && fileType != "JPEG"  && fileType != "gif"  && fileType != "GIF"  && fileType != "Gif"  && fileType != "pdf"  && fileType != "PDF") {
  alert("You can only upload PDF's, JPEG and GIF images to the server.\n----Please try again----\nTo see the file type of your files\nlook at the last three letters of the filename.\n PDF, JPG, JPEG and GIF are the only extensions allowed." )
  el.value=='';
  }
}

// function to return the value of a select box
// returns an array of selected options or false
function selectBoxValue(id){
	var selectbox = document.getElementById(id);
	var arrSelected = new Array(), counter=0;;
	for(var i = 0; i < selectbox.options.length ; i++){
		if(selectbox.options[i].selected){
			arrSelected[counter]=selectbox.options[i].value;
			counter++;
			}
		}
			if (arrSelected.length>0){
				return true;
			}else{
				return false;
			}
		}

function ShowProgress(barref)
{
  strAppVersion = navigator.appVersion;
  if (document.upload.FILE1.value != "" )
  {
    if (strAppVersion.indexOf('MSIE') != -1 && strAppVersion.substr(strAppVersion.indexOf('MSIE')+5,1) > 4)
    {
      winstyle = "dialogWidth=375px; dialogHeight:130px; center:yes";
      window.showModelessDialog( barref + '&b=IE',null,winstyle);
    }
    else
    {
      window.open(barref + '&b=NN','','width=370,height=130', true);
    }
  }
  return true;
}
// needs to be implemented!!!
function redirectTopWindow(url){
	top.document.location.href=url;
}

function confirmDelModel(){
	var msg = 'Are you sure you want to permanently delete this model?'
	if(confirm(msg)){ 
		document.location.href=document.location.href + '&delete=true';
	}	
}