//validates the edit form (which must be named 'eform')
function submit_eform(whichAction) {
	document.eform.action = "index.php?id="+whichAction;
	var err;
	if (document.eform.cid.value == "") err = "noId";
	if (document.eform.file.value == "" && whichAction != 'upload') {
		var cPrompt = "Do you want to use the filename '"+document.eform.cid.value+".txt' for the text file?";
		if (confirm(cPrompt)) document.eform.file.value = document.eform.cid.value+".txt";
		else err = "noFileName";
	}
	if (document.eform['text']&&!(document.eform.file.value||whichAction=='upload'))	{
		if (document.eform.text.value == "") err = "noText";
	}
	if (err) doErr(err);
	else document.eform.submit();
}

//validates the user form
function submit_uform(thisform, action) {
	document[thisform].whichaction.value = action;
	var err;
	if (action=='delete') {
		var cPrompt = "Are you sure you want to delete this user?";
		if (!confirm(cPrompt)) err = "noDelete";
	}
	if (action=='update') {
		if (document[thisform].pass1.value != ""&&document[thisform].pass2.value == "") err = "noPassConfirm";
	}
	if (document[thisform]["new"] && document[thisform].pass1.value == "") err = "noNewPass";
	if (document[thisform]["new"] && (document[thisform].name.value == ""||document[thisform].name.value == "new user")) err = "noUser";
	if (err) doErr(err);
	else document[thisform].submit();
}

////////////////////////////////////////////////////////////////////////////////////
// Error Functions
////////////////////////////////////////////////////////////////////////////////////

//function checks for errors and does anything else necessary on load
function doErr(err) {
	if (err) {
		var errMsg;
		switch(err) {
			case "noId": 
				errMsg = "Sorry, but you have to enter an id name before you can submit the form.";
				break;
			case "noFileName": 
				errMsg = "Ok, then you have to enter a filename before submitting the form.";
				break;
			case "noText": 
				errMsg = "Sorry, but you have to enter text for the page before you can submit the form.";
				break;
			case "noDelete": 
				errMsg = "Nothing will be deleted.";
				break;
			case "noUser": 
				errMsg = "You didn't enter a name for your new user.";
				break;
			case "noNewPass": 
				errMsg = "You didn't enter a new password.";
				break;
			case "noPassConfirm": 
				errMsg = "You didn't confirm the new password.";
				break;
			default: 
				errMsg = "Um... something went wrong. Try again.";
				break;
		}
		alert(errMsg);
	}
}

////////////////////////////////////////////////////////////////////////////////////
// Image Functions
////////////////////////////////////////////////////////////////////////////////////

// Functions that swaps images.
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_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) { //v3.0
  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); return x;
}

// Functions that handle preload.
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];}}
}

////////////////////////////////////////////////////////////////////////////////////
// PopUp Functions
////////////////////////////////////////////////////////////////////////////////////

function popUp(file)
{
        appWindows = window.open(file, 'newwin', 'toolbar=0,location=0,status=0,menubar=0,scrollbars=1,resizable=1,width=600,height=450');
}