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 popupWin(linkToUse) {
		window.open(linkToUse,'','height=300,width=500,left=200,top=100,scrollbars=1');
	}

function switchImage(imgName, imgSrc) {
  if (imgSrc != "none") {
	  imgName.src = imgSrc;
  }
}

function checkChoice(field, i) {
if (i == 0) { // "All" checkbox selected.
if (field[0].checked == true) {
for (i = 1; i < field.length; i++)
field[i].checked = false;
   }
}
else  {  // A checkbox other than "Any" selected.
if (field[i].checked == true) {
field[0].checked = false;
      }
   }
}

function checkChoice_moreinfo(field, i) {
//alert(i);
if (i == 4) { // "All" checkbox selected.
if (field[0].checked == true) {
 //alert("all is checked");
for (i = 1; i < field.length; i++)
field[i].checked = false;
   }
}
else  {  // A checkbox other than "Any" selected.
if (field[i].checked == true) {
//alert("all is not checked");
field[0].checked = false;
      }
   }
}

function checkChoice_all(field, i) 
 {  
 if ((!document.query_form.l3.checked) || (!document.query_form.l4.checked)) {
  document.query_form.al.checked = false;
 }

	
} // function


function checkChoice_all_level(field, i) 
 {  
 if (document.query_form.al.checked) 
 {
	 for (i = 0; i < document.query_form.l3.length-1; i++) {
	  document.query_form.l3[i].checked = false;
	  }
	   for (i = 0; i < document.query_form.l4.length-1; i++) {
	  document.query_form.l4[i].checked = false;
	  }  
 }
} // function


function checkChoice_level(field, i) 
 {
	if (i == 0) 
	{ 
		   document.query_form.al.value = checked;
		   alert("all checked")
  } // if i=0
} // function

function showhide(element_source, image_source) {
	if (document.all) { 
		element_source = document.all[element_source];
		temp_image_source = document.all[image_source];
		image_name = (element_source.style.visibility == "hidden" ) ? "images/minus.gif" : "images/plus.gif";
		temp_image_source.alt = (element_source.style.visibility == "hidden" ) ? "-" : "+";
		switchImage(temp_image_source, image_name);
		
		element_source.style.visibility = (element_source.style.visibility == "hidden" ) ? "visible" : "hidden";
		element_source.style.display = (element_source.style.display == "none" ) ? "" : "none";
	}
	if (document.getElementById && !document.all) { 
		element_source = document.getElementById(element_source);
		temp_image_source = document.getElementById(image_source);
		image_name = (element_source.style.visibility == "hidden" ) ? "images/minus.gif" : "images/plus.gif";
		switchImage(temp_image_source, image_name);
		// expand div tag
		element_source.style.visibility = (element_source.style.visibility == "hidden" ) ? "visible" : "hidden";
		element_source.style.display = (element_source.style.display == "none" ) ? "" : "none";
	}
}