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];}
}
// New Window
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
 
}
function helpWin(page) {
	var OpenWin = null;
	OpenWin = window.open(page, "AssignmentWindow", "width=770,height=480,top=0,toolbar=no,menubar=yes,location=no,scrollbars=yes,resizable=yes");
	OpenWin.focus();
}

function submitenter(myfield,e)
{
	var keycode;
	if (window.event) keycode = window.event.keyCode;
	else if (e) keycode = e.which;
	else return true;
	
	if (keycode == 13)
	   {
	   myfield.form.submit();
	   return false;
	   }
	else
	   return true;
}
function leavefield(ref) {
    if (ref.Search.value == '') {
        // invalid, refocus form field
        ref.Search.focus();
    }
    else { 
		ref.Search.submit();
    }
}

function cleartext(myfield) {
	if (myfield.value == "add additional search terms here to further refine search") {
		myfield.value = "";	
	}
}

var checkflag = "false";

function check(field) {
	if (checkflag == "false") {
	for (i = 0; i < field.length; i++) {
	field[i].checked = true;}
	checkflag = "true";
	return "Uncheck All"; }
	else {
	for (i = 0; i < field.length; i++) {
	field[i].checked = false; }
	checkflag = "false";
	return "Check All"; }
}

// Jump to a block of rows

function jumpMenu(targ, file, OrderBy, Desc, Limit, LimitBase){ //v3.0
  eval(targ+".location='"+file+"?OrderBy="+OrderBy+"&Desc="+Desc+"&Limit="+Limit+"&LimitBase="+LimitBase+"'");
}

// Print Page

function printpage() {
window.print();  
}

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 clearText(thefield){
if (thefield.defaultValue==thefield.value)
thefield.value = "";
}

function toggleaboutvisibility () {
 elem = document.getElementById("apDiv1");
 elem.style.visibility = "visible";
}

function toggleaboutinvisible () {
 elem = document.getElementById("apDiv1");
 elem.style.visibility = "hidden";
}