// global functions


	



	function nextResultSet(gotoPage)
	{
			document.mainForm.hdnGotoPage.value = gotoPage ;
			document.mainForm.submit();			
	}



	function conductSearch()
	{
		document.mainForm.hdnFormState.value = 'search';
		document.mainForm.submit();
	}

	function createCase()
	{

		if(document.mainForm.caseType.value =='') {
			alert('ERROR:\nYou must have a valid CASE TYPE selected before proceeding. The form values will be reset.');
			document.mainForm.reset();
			return;
		}

		if(document.mainForm.caseState.value =='') {
			alert('ERROR:\nYou must have a valid CASE STATE selected before proceeding. The form values will be reset.');
			document.mainForm.reset();
			return;
		}
	
		msg = 'You have requested a new case be created for this category. Is this what you wish to do?'; 
		if (confirm(msg)) {
			document.mainForm.hdnFormState.value = 'create';
			document.mainForm.submit();
		} else {
			return;
		}
	}
	
	function createDocument(typeStart, typeEnd)
	{

		if(document.mainForm.caseType.value =='') {
			alert('ERROR:\nYou must have a valid CASE TYPE selected before proceeding. The form values will be reset.');
			document.mainForm.reset();
			return;
		}

		if(document.mainForm.caseState.value =='') {
			alert('ERROR:\nYou must have a valid CASE STATE selected before proceeding. The form values will be reset.');
			document.mainForm.reset();
			return;
		}

		if(document.mainForm.caseNum.value =='') {
			alert('ERROR:\nYou must enter a CASE NUMBER before proceeding. The form values will be reset.');
			document.mainForm.reset();
			return;
		}

		msg = 'You have requested a new document be added to this case. Is this what you wish to do?'; 
		if (confirm(msg)) {
			document.mainForm.hdnFormState.value = 'create';
			document.mainForm.hdnDocStart.value = typeStart;
			document.mainForm.hdnDocEnd.value = typeEnd;
			document.mainForm.submit();
		} else {
			return;
		}
	}

	function conductNameSearch()
	{
		
		if(document.mainForm.searchLast.value =='') {
			alert('You must enter search criteria before proceeding. Please enter a last name.');
			document.mainForm.searchLast.focus();
			return;
		}
		document.mainForm.hdnFormState.value = 'search';
		document.mainForm.submit();
	}


	function sendMessage() {	
		if((document.mainForm.txtName.value =='') & (document.mainForm.txtEmail.value =='') & (document.mainForm.txtPhone.value =='') & (document.mainForm.txtMessage.value =='') & (document.mainForm.txtErrorSupp.value =='')  & (document.mainForm.txtErrorDesc.value =='')) {
			alert('It appears this form is empty. Please enter some message details before submitting the form.');
			document.mainForm.txtName.focus();
			return;
		}
			
		document.mainForm.hdnFormState.value = "contact";
		document.mainForm.submit();
	}

	function nextResultSet(gotoPage)
	{
			document.mainForm.hdnGotoPage.value = gotoPage ;
			document.mainForm.submit();			
	}

	function loadDocs(lookupType, lookupState, lookupNum)
	{
		document.mainForm.hdnFormState.value = 'search';
		document.mainForm.caseType.value = lookupType;
		document.mainForm.caseState.value = lookupState;
		document.mainForm.caseNum.value = lookupNum;
		document.mainForm.action = "docMain.php";		// added form id to facilitate cross section links to people adds (spec, doc:people link)
		document.mainForm.submit();
	}


// generic operations 

	function removeItem(whichItem)
	{
		msg = 'You have requested to delete this item. Click OK to proceed. Click CANCEL to leave the item in place?'; 
		if (confirm(msg)) {
			document.mainForm.hdnFormState.value = 'update';
			document.mainForm.hdnRemoveItem.value = whichItem;
			document.mainForm.submit();
		} else {
			return;
		}
	}

	function markRead(whichItem)
	{
		document.mainForm.hdnFormState.value = 'update';
		document.mainForm.hdnMarkRead.value = whichItem;
		document.mainForm.submit();
	}

	function respondToMsg(whichItem)
	{
		document.mainForm.hdnFormState.value = 'update';
		document.mainForm.hdnMsgRespond.value = whichItem;
		document.mainForm.submit();
	}

	function IsNumeric(strString)
	{
		var strValidChars = "0123456789";
		var strChar;
		var blnResult = true;
		if (strString.length > 0)
		{
			for (i = 0; i < strString.length && blnResult == true; i++)
			{
				strChar = strString.charAt(i);
				if (strValidChars.indexOf(strChar) == -1)
				{
					alert('Invalid value entered. Valid values include numbers between 0 and 9999.');
					return false;
				}
			}
		}
	}





/**
 * date check logic via http://www.smartwebby.com/DHTML/date_validation.asp
 */

// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr, dtField){
	if(dtStr != '') {
		var daysInMonth = DaysArray(12)
		var pos1=dtStr.indexOf(dtCh)
		var pos2=dtStr.indexOf(dtCh,pos1+1)
		var strMonth=dtStr.substring(0,pos1)
		var strDay=dtStr.substring(pos1+1,pos2)
		var strYear=dtStr.substring(pos2+1)
		strYr=strYear
		if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
		if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
		for (var i = 1; i <= 3; i++) {
			if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
		}
		month=parseInt(strMonth)
		day=parseInt(strDay)
		year=parseInt(strYr)
		if (pos1==-1 || pos2==-1){
			alert("Invalid date input for the " + dtField + ". The date format should be : mm/dd/yyyy");
			return false;
		}
		if (strMonth.length<1 || month<1 || month>12){
			alert("Invalid date input for the " + dtField + ". Please enter a valid month");
			return false;
		}
		if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
			alert("Invalid date input for the " + dtField + ". Please enter a valid day");
			return false;
		}
		if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
			alert("Invalid date input for the " + dtField + ". Please enter a valid 4 digit year between "+minYear+" and "+maxYear);
			return false;
		}
		if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
			alert("Invalid date input for the " + dtField + ". Please enter a valid date");
			return false;
		}
	return true;
	}
}

function ValidateForm(){
	var dt=document.frmSample.txtDate
	if (isDate(dt.value)==false){
		dt.focus()
		return false
	}
    return true
 }


function isYear(yrString, dtField){
	var minYear=1900;
	var maxYear=2100;
	var thisYear=yrString;
	if(thisYear != '') {
		if (thisYear.length != 4 || thisYear<minYear || thisYear>maxYear || isInteger(thisYear)==false){
			alert("Invalid date input for the " + dtField + ". Please enter a valid 4 digit year between "+minYear+" and "+maxYear);
			return false;
		}
	return true;
	}
}



	function toggleBlock(thisone){
		var ndDiv = document.getElementById(thisone);
		if(ndDiv.className == 'blockHide'){
			ndDiv.className = 'blockShow';
			}
		else{
			ndDiv.className = 'blockHide'

			}
		}
				








	// used to automatically move lookup object radio button down if data is entered into the lower search box
	function checkRadioPosition() {
		var radioLength = document.mainForm.lookupObject.length;
		for(var i = 0; i < radioLength; i++) {
			if(document.mainForm.lookupObject[i].checked) {
				var searchDirection = document.mainForm.lookupObject[i].value;
			}
		}
			if((searchDirection != 'search') || (searchDirection != 'docket') || (searchDirection != 'casename') || (searchDirection != 'scdbid')) {
				document.mainForm.lookupObject[5].checked = true;
			}


	}


	function submitForm() {	
		// first figure out which radio button is checked
		var radioLength = document.mainForm.lookupObject.length;
		for(var i = 0; i < radioLength; i++) {
			if(document.mainForm.lookupObject[i].checked) {
				var searchDirection = document.mainForm.lookupObject[i].value;
			}
		}

		// test the citation fields
		if((document.mainForm.strCiteVol.value != "Vol") && (document.mainForm.strCitePage.value != "Page")) {
			if((searchDirection != 'U.S.') && (searchDirection != 'S. Ct.') && (searchDirection != 'U.S. LEXIS') && (searchDirection != 'L. Ed.') && (searchDirection != 'L. Ed. 2d')) {
				searchDirection = 'U.S.';
			}
			document.mainForm.action = "analysisCaseListing.php?cite=" + searchDirection + "&vol=" + document.mainForm.strCiteVol.value + "&page=" + document.mainForm.strCitePage.value;	
			document.mainForm.hdnFormState.value = "lookup";

		// test the lookup field
		} else if (document.mainForm.strLookupString.value != "") {
			if(searchDirection == 'search') {
				document.mainForm.action = "analysisOverview.php?sid=" + document.mainForm.strLookupString.value;	
			document.mainForm.hdnFormState.value = "analyze";
			} else if (searchDirection == 'docket') {
				document.mainForm.action = "analysisCaseListing.php?docket=" + document.mainForm.strLookupString.value;			
				document.mainForm.hdnFormState.value = "lookup";	
			} else if (searchDirection == 'casename') {
				document.mainForm.action = "analysisCaseListing.php?name=" + document.mainForm.strLookupString.value;					
				document.mainForm.hdnFormState.value = "lookup";	
			} else if (searchDirection == 'scdbid') {
				document.mainForm.action = "analysisCaseListing.php?cid=" + document.mainForm.strLookupString.value;		
				document.mainForm.hdnFormState.value = "lookup";	
			}

		} else {
		
			// if the above tests don't catch, send the basic form.
			document.mainForm.hdnFormState.value = "analyze";
			document.mainForm.action = "analysisOverview.php";	
		}
	}



	function updateForm()
	{	
		// see if there is a "required field check" on this particular tab	 (ck specific tab file for added js code
		var formIsValid;
		if ( window.checkRequired )
		{
			formIsValid = checkRequired();
		}
			
		if(formIsValid != false) {
			document.mainForm.action = "analysisOverview.php";	
			document.mainForm.hdnFormState.value = "analyze";
			document.mainForm.submit();
		}
	}


		
	function lookupItem(lookupVol, lookupPage, lookThisUp, fromHere) {

		// see what information is being searched and make the necessary form adjustments
		var radioLength = fromHere.length;
		for(var i = 0; i < radioLength; i++) {
			if(fromHere[i].checked) {
				var searchDirection = fromHere[i].value;
			}
		}

		// verify they are sending something in
		if ((searchDirection == 'docket') || (searchDirection == 'casename') || (searchDirection == 'scdbid') || (searchDirection == 'search')) {
			if(lookThisUp =='') {
				alert('You must enter search criteria before proceeding. Please correct before proceeding.');
				document.mainForm.strLookupString.focus();
				return;
			}
		} else {
			if(((lookupVol =='') && (lookupPage =='')) || ((lookupVol =='Vol') && (lookupPage =='Page'))){
				alert('You must enter a Volume or Page. Please correct before proceeding.');
				document.mainForm.strCiteVol.focus();
				document.mainForm.strCiteVol.select();
				return;
			}		
		}


		if(searchDirection == 'search') {
			document.mainForm.action = "analysisOverview.php?sid=" + lookThisUp;	
		} else if (searchDirection == 'docket') {
			document.mainForm.action = "analysisCaseListing.php?docket=" + lookThisUp;			
		} else if (searchDirection == 'casename') {
			document.mainForm.action = "analysisCaseListing.php?name=" + lookThisUp;					
		} else if (searchDirection == 'scdbid') {
			document.mainForm.action = "analysisCaseListing.php?cid=" + lookThisUp;		
		} else {
			document.mainForm.action = "analysisCaseListing.php?cite=" + searchDirection + "&vol=" + lookupVol + "&page=" + lookupPage;	
		}
		
		
		document.mainForm.hdnFormState.value = "lookup";
		document.mainForm.submit();

	}


	function showTip(item) {
		var tooltips = item.getElementsByTagName('span');
		tooltips[0].style.display = "inline";

	}


	function hideTip(item) {
		var tooltips = item.getElementsByTagName('span');
		tooltips[0].style.display = "none";
tooltips[0].innerHTML = 'Click to collapse';			
	}





    function countChecked() {
      var n = $("input:checked").length;

    }


    
    
    
	function updateCount(groupType, groupNumber, max) {		
		var id = "#" + groupType + "Group" + groupNumber;							// create reference to div group holding the checkboxes being clicked
		var countDisplay = "#" + groupType + "CatCount" + groupNumber;		// create reference to the span tag displaying the count information for the checkboxes being clicked
		var headerCheckbox = "#" + groupType + "ChkHeader" + groupNumber;					// create reference to categories check box (i.e. civil rights, criminal procedure)

		var catCount = $(id).children("input[type='checkbox']:checked").length;			// get count of selected checkboxes
		
		// if more than one checkbox is hot, make text green and cite internal issue count
		if(catCount > 0) {
			$(countDisplay).html("<span style='color: #060;'>" + catCount + " sub-items included</span>");
		// else show the grey-version of the text noting how many issues are part of the group (this is if all the items are deselected.
		} else {
			$(countDisplay).html("<span style='color: #999;' >" + max + " sub-items</span>");		
		}	
		
		if(catCount == max) {
			$(headerCheckbox).attr("checked", "checked");
			$(countDisplay).html("<span style='color: #060;'>ALL sub-items included</span>");
		} else {
			$(headerCheckbox).attr("checked","");
		}

	}

	function toggleGroup(groupType, groupNumber, max, thisElement) {
	
//		$('#' + groupType + 'group<?php print $currCategory; ?> INPUT[type=checkbox]').attr('checked', $('#' + groupType + 'ChkHeader<?php print $currCategory; ?>').is(':checked'));
	
		var id = "#" + groupType + "Group" + groupNumber;							// create reference to div group holding the checkboxes being clicked
		var headerDisplay = "#" + groupType + "ChkHeader " + groupNumber;
		var countDisplay = "#" + groupType + "CatCount" + groupNumber;		// create reference to the span tag displaying the count information for the checkboxes being clicked

		if($(thisElement).is(':checked')) {
			$(id).children("input[type='checkbox']").attr({checked:"checked"});			// curly brackets inside mean this action is to be done to multiple items
			$(countDisplay).html("<span style='color: #060;'>ALL sub-issues included</span>");
		} else {
			$(id).children("input[type='checkbox']").attr({checked:""});
			updateCount(groupType, groupNumber, max);
		}


		
	}