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_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_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 MM_openBrWindow(theURL,winName,features) { //v2.0
     window.open(theURL,winName,features);
   }
   
function ListItem(nombre, id, catid){
  this.nombre = nombre;
  this.id = id;
  this.catid = catid;
} 
  
function ClearList(list_course){
  var courses = MM_findObj(list_course);
  courses.options.length = 0;
}
  
function FilterSub(list_program, list_course){
  ClearList(list_course);
  var courses = MM_findObj(list_course);
  var programs = MM_findObj(list_program);
  var newoption = new Option('Courses');
  newoption.value = "";
  courses.options[0] = newoption;
  j=1;
  for (i=0;i<courses_arr.length;i++){
    if (courses_arr[i].catid == programs.value){
      var newoption = new Option(courses_arr[i].nombre);
      courses.options[j] = newoption;
      courses.options[j].value = courses_arr[i].id; 
      j = j + 1;
    } 
  }    
}
  
function formatCurrency(num) {
	num = num.toString().replace(/\$|\,/g,'');
	if(isNaN(num)) num = "0";
	sign = (num == (num = Math.abs(num)));
	num = Math.floor(num*100+0.50000000001);
	cents = num%100;
	num = Math.floor(num/100).toString();
	if(cents<10) cents = "0" + cents;
	for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
	num = num.substring(0,num.length-(4*i+3))+
	num.substring(num.length-(4*i+3));
			
	return (((sign)?'':'-') + num + '.' + cents);
}