// JavaScript Document

/* 
	SET GLOBALS VARIABLES
*/
fieldErrorBgColor = '#FFB9B9';
fieldBgColor = '#FFFFFF';

/*
   FUNCTIONS
*/
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_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}
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 MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}
/* cross-browser function to get an object's style object given its id*/
function getStyleObject(objectId) {
	if(document.getElementById && document.getElementById(objectId)) {
		/* W3C DOM*/
		return document.getElementById(objectId).style;
	} else if (document.all && document.all(objectId)) {
		/* MSIE 4 DOM*/
		return document.all(objectId).style;
	} else if (document.layers && document.layers[objectId]) {
		/* NN 4 DOM.. note: this won't find nested layers*/
		return document.layers[objectId];
	} else {
		return false;
	}
};

function setRelLayerPos(objectId,xOffset,yOffset,e) {
    // get the event object
	if (e && e.which){
		e = e;
	} else {
		e = event;
	}
	// get the correct property; browser differences ;-)
	if (e.clientX > 0 && e.clientY > 0) {
		var newX = e.clientX + xOffset;
		var newY = e.clientY + yOffset;
	} else if (e.pageX > 0 && e.pageY > 0) {
		var newX = e.pageX + xOffset;
		var newY = e.pageY + yOffset;
	} else {
		return false;
	}
	var layer = getStyleObject(objectId);
	if(layer) {
		layer.left = newX + "px";
		layer.top = newY + "px";
	} else {
		return false;
	}
	
}

// returns true if date appears to be valid
// returns false if the date appears to be invalid
// 1arg; = text input object, string should be like: yyyy-mm-dd
function ckDate(textObject) {
	var x = 0;
	var fieldVal = textObject.value;
	var isError = 0;
	var errorMsg = "Date must be in YYYY-MM-DD format.\nExample: 2004-04-29";
	if (fieldVal.length === 0 || !fieldVal.length) {
		return true;
	}
	if (fieldVal.length != 10) {	// all dates should be exactly 10 digits
		isError = 1;
	}
	for (x=0; x<fieldVal.length; x++) {
		if (x == 4 || x == 7) {	// delimeter digits must be '-'
			if(fieldVal.charCodeAt(x) != 45){
				isError = 1;
				break;
			} else { continue; }
		}
		if (x == 5) {	// first digit for a month must be 0 or 1
			if(fieldVal.charCodeAt(x) != 48 && fieldVal.charCodeAt(x) != 49){
				isError = 1;
				break;
			} else { continue; }
		}
		if (x == 6) {	// second digit for a month must be 0,1,2 if the first is 1
			if(fieldVal.charCodeAt(5) == 49){
				if(fieldVal.charCodeAt(x) != 48 && fieldVal.charCodeAt(x) != 49 && fieldVal.charCodeAt(x) != 50){
					isError = 1;
					break;
				} else { continue; }
			}
		}
		if (x == 8) {	// first digit for a day must be 0,1,2,3
			if(fieldVal.charCodeAt(x) != 48 && fieldVal.charCodeAt(x) != 49 && fieldVal.charCodeAt(x) != 50 && fieldVal.charCodeAt(x) != 51){
				isError = 1;
				break;
			} else { continue; }
		}
		if (x == 9) {	// second digit for a day must be 0 or 1 if the first is 3
			if(fieldVal.charCodeAt(8) == 51){
				if(fieldVal.charCodeAt(x) != 48 && fieldVal.charCodeAt(x) != 49){
					isError = 1;
					break;
				} else { continue; }
			}
		}
		// all other digits must be between 0-9
		if(fieldVal.charCodeAt(x) < 48 || fieldVal.charCodeAt(x) > 57){
			isError = 1;
			break;
		}
	}
	if (isError == 1) {
		textObject.select();
		alert(errorMsg);
		return false;
	} else {
		return true;
	}
}

// function that only allows input of 0-9,backspace
function numbersOnly(e) {
	var characterCode;
	if (e && e.which){
		e = e;
		characterCode = e.which;
	} else {
		e = event;
		characterCode = e.keyCode;
	}	 
	if(characterCode >= 48 && characterCode <= 57){
		return true;
	}
	if(characterCode == 8 || characterCode == 46){
		return true;
	} else {
		return false;
	}
}

// function that only allows input of 0-9,.,backspace
function numbersDashesOnly(e) {
	var characterCode;
	if (e && e.which){
		e = e;
		characterCode = e.which;
	} else {
		e = event;
		characterCode = e.keyCode;
	}	 
	if(characterCode >= 48 && characterCode <= 57){
		return true;
	}
	if(characterCode == 45 || characterCode == 46 || characterCode == 8){
		return true;
	} else {
		return false;
	}
}

function addbookmark() {
	bookmarkurl="http://www.atlantalaw.org";
	bookmarktitle="{PAGE_TITLE}";
	if (document.all) {
		window.external.AddFavorite(bookmarkurl,bookmarktitle);
	}
}

function OpenWindow(url) {
	OpenWin = this.open(url, "window", "toolbar=yes,menubar=yes,location=yes,scrollbars=yes,resizable=yes");
}

/* 
 +---------------------------+
 | Form Validation Functions | 
 +---------------------------+
*/

function in_array(needle, haystack) {
	if (haystack.length < 1) {
		return false;
	}
	for (j=0; j<haystack.length; j++) {
		if (haystack[j] == needle) {
			return true;
		}
	}
	return false;
}

// evaluate the results of a form validation function and 
// alert any errors and return false;
// submit form and return true if no errors
function evalFormErrors(theForm, isError, errMsg) {
	if (isError >= 1) {	// spit up the error and return false
		alert(errMsg);
		return false;
	} else {	// no erros, submit and return true
		theForm.submit();
		return true;
	}
}

// clear out all error indicators
function clearFormErrors(formObject) {
	var allowedFieldTypes = new Array("file", "password", "select-one", "select-multiple", "text", "textarea");
	for (i=0; i<formObject.elements.length; i++) {
		if (formObject.elements[i].style.backgroundColor != fieldBgColor && in_array(formObject.elements[i].type, allowedFieldTypes)) {
			formObject.elements[i].style.backgroundColor = fieldBgColor;
		}
	}
}

function ckRootLogin() {
	
	var is_error = 0;
	var error_msg = "The following fields have errors that need to be corrected before continuing:\n\n";
	var formObject = document.login;
	
	clearFormErrors(formObject);	// clear out all previous errors and re-evaluate
	
	// Evaluate the login field
	if (formObject.username.value.length < 1) {
		formObject.username.style.backgroundColor = fieldErrorBgColor;
		error_msg = error_msg + "- Username\n";
		is_error = 1;
	}
	// Evaluate the password field
	if (formObject.password.value.length < 1) {
		formObject.password.style.backgroundColor = fieldErrorBgColor;
		error_msg = error_msg + "- Password\n";
		is_error = 1;
	}
	/* evaluate test results and act accordingly */
	return evalFormErrors(formObject, is_error, error_msg);
}