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) { //v4.01
  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 toggle(idx) {
  if (MM_findObj("image" + idx).src.indexOf("Images/plus.gif") > -1) {
    MM_swapImage('image' + idx,'','Images/minus.gif',1)
	MM_findObj("text" + idx).style.display = "block"
  } else {
    MM_swapImage('image' + idx,'','Images/plus.gif',1)
	MM_findObj("text" + idx).style.display = "none"
  }
}
function selectall() {
  with (document.forms["filter"]) {
    for (n = 0; n < elements.length; n++) {
      if (elements[n].type == "checkbox") elements[n].checked = true
    }
  }
}
function selectnone() {
  with (document.forms["filter"]) {
    for (n = 0; n < elements.length; n++) {
      if (elements[n].type == "checkbox") elements[n].checked = false
    }
  }
}
var expanded = Array()
function setExpanded(form) {
  form.elements['expanded'].value = expanded.join()
}

function populate(field) {
  fields = Array("criteria[Environment Worst]", "criteria[Environment Below Average]", "criteria[Environment Average]", "criteria[Environment Above Average]", "criteria[Environment Exclude all highest impact]")
  if (field.checked) {
    for (n = 0; n < fields.length && fields[n] != field.name; n++) {
      document.forms["filter"].elements[fields[n]].checked = true
    }
  } else {
    var flag = 0
    for (n = 0; n < fields.length; n++) {
	  if (fields[n] == field.name) flag = 1
	  if (flag == 1) document.forms["filter"].elements[fields[n]].checked = false
	}
  }
}
function popup(criteria) {
	window.open('description.php?' + criteria, '_blank', 'width=500,height=400,scrollbars=yes')
}