function changeURL() {
	var cat = $("select[name='Category']").val();
	var grid = document.SearchForm.Range.options[document.SearchForm.Range.selectedIndex].value;
	var date = document.SearchForm.Days.options[document.SearchForm.Days.selectedIndex].value;	
	if (grid == "4") {
		date = LeftBack(date,"-") + "-01";
	}
	var display = document.SearchForm.DisplayType.options[document.SearchForm.DisplayType.selectedIndex].text;
	var dbname = document.SearchForm.DBName.value;
	if (display=="List") {
		window.location = "/" + dbname + "/CalendarFlat?OpenView&Grid=" + grid + "&Startkey=" + date + "&Category=" + cat;
	} else {
		window.location = "/" + dbname + "/Calendar?OpenView&Grid=" + grid + "&Date=" + date + "&Category=" + cat;
	}
}

function setCategories() {
var cats = document.forms[1].Categories.value;
values = cats.split(', ');
for (J = 0; J < values.length; J++) {
	checkOn(document.SearchForm.DisplayEvents,values[J]);
}
showhideevents();
showhideeventtypes();
}

function checkOn(field,choice) {
	for (i = 0; i < field.length; i++) {
		if (field[i].value == choice) {
			field[i].checked = true ;
		}
	}
}

function displayAll() {
	var check = getCheckValues(document.forms[1].DisplayAll);
	if (check=="") {
		uncheckAll(document.SearchForm.DisplayEvents);
	} else {
		checkAll(document.SearchForm.DisplayEvents);
	}
}

function checkAll(field) {
	for (i = 0; i < field.length; i++) {
		field[i].checked = true ;
	}
	showhideevents();
}

function uncheckAll(field) {
	for (i = 0; i < field.length; i++) {
		field[i].checked = false ;
	}
	showhideevents();
}

function showhideevents() {
	var uncheck = getUnCheckValues(document.forms[1].DisplayEvents);
	hide_stuff(uncheck);
	var check = getCheckValues(document.forms[1].DisplayEvents);
	show_stuff(check);
}

function showhideeventtypes() {
	uncheck=getInverseObjectValue(document.forms[1].ET_select).split(",");
	hide_stuff(uncheck);
	check=getObjectValue(document.forms[1].ET_select).split(",");
	show_stuff(check);
}

function hide_stuff(classtohide) {
	for (var i = 0; i < classtohide.length; i++) {
		changecss('.' + classtohide[i],'display','none');
		changecss('.' + classtohide[i] + 'AddlLinks','display','none');
	}
}
function show_stuff(classtoshow) {
	for (var i = 0; i < classtoshow.length; i++) {
		changecss('.' + classtoshow[i],'display','');
		changecss('.' + classtoshow[i] + 'AddlLinks','display','');
	}
}

function getCheckValues (checkObject){
var vals = new Array();
var form = (checkObject.form != null) ? checkObject.form : checkObject[0].form;
var checkObjectName = (checkObject.name != null) ? checkObject.name : checkObject[0].name;
for (var i = 0; i < form.elements.length;i++){
obj = eval("document." + form.name + ".elements[" + i + "]");
if ((obj.name == checkObjectName) && (obj.type == "checkbox"))
if (obj.checked) vals[vals.length] = obj.value;
}
return vals;
} //end getCheckValue 

function getUnCheckValues (checkObject){
var vals = new Array();
var form = (checkObject.form != null) ? checkObject.form : checkObject[0].form;
var checkObjectName = (checkObject.name != null) ? checkObject.name : checkObject[0].name;
for (var i = 0; i < form.elements.length;i++){
obj = eval("document." + form.name + ".elements[" + i + "]");
if ((obj.name == checkObjectName) && (obj.type == "checkbox"))
if (!obj.checked) vals[vals.length] = obj.value;
}
return vals;
} //end getCheckValue 

function convertURL(field) {
var dspCat = "";
	for (i = 0; i < field.length; i++) {
		if (i==0) {
			dspCat = field[i];
		} else {
			dspCat = dspCat + '&' + field[i];
		}
	}
	return dspCat;
}

function getEventTypes() {
  rtnvalue="";
  if (getObjectValue(document.forms[1].ET_DisplayAll)=="All") rtnvalue="All";
  else rtnvalue=getObjectValue(document.forms[1].ET_select);
  return rtnvalue;
}

function LeftBack(string, substring)
{
sourcestringback = "";
searchstringback = "";
rueck = "";
ergebnis = "";
laenge = string.length;
for (i = laenge ; i > 0 ; i--)
{
sourcestringback = sourcestringback + string.substr(i-1,1);
}
laenge = substring.length
for(i = laenge ; i > 0 ; i-- )
{
searchstringback = searchstringback + substring.substr(i-1,1);
}
pos = sourcestringback.indexOf(searchstringback) + 
searchstringback.length
laenge = sourcestringback.length
start = laenge - (pos - 1)
startrueck = laenge - start
ergebnis = sourcestringback.substr(startrueck,start)
laenge = ergebnis.length
for (i = laenge ; i > 0 ; i-- )
{
rueck = rueck + ergebnis.substr(i,1)
}
return(rueck);
}

function RightBack(string, substring)
{
sourcestringback = "";
searchstringback = "";
rueck = "";
ergebnis = "";
laenge = string.length;
for (i = laenge ; i > 0 ; i--)
{
sourcestringback = sourcestringback + string.substr(i-1,1);
}
laenge = substring.length
for(i = laenge ; i > 0 ; i-- )
{
searchstringback = searchstringback + substring.substr(i-1,1);
}
pos = sourcestringback.indexOf(searchstringback)
ergebnis = sourcestringback.substr(0,pos)
laenge = ergebnis.length
for (i = laenge ; i > -1 ; i-- )
{
rueck = rueck + ergebnis.substr(i,1)
}
return(rueck);
}

function buildCal(preTables) {
	obj=document.getElementsByTagName("table");
     	for (var i=0; i<obj.length; i++){
     		if( i == preTables + 1 ){
     			var cal = obj[i]
     			obj[i].className = 'calendar';
    				 var cels = cal.getElementsByTagName('td');
     				for(var c=0; c<cels.length; c++){
     					var wcels = cels[c].getElementsByTagName('b');
     					for(var b=0;b<wcels.length;b++){wcels[b].className = 'bolds';}
     					if (wcels.length >0){
     					cels[c].className = 'calendarcellsweek';}
     					var tcels = cels[c].getElementsByTagName('table');
    							if (tcels.length >0){
    								var e=0
    							 	if (cels[c].getElementsByTagName('HR').length>0) {var e=1}
    								for(var d=0;d<=e;d++){
									tcels[d*2].className = 'days';
									var dcell = tcels[d*2].getElementsByTagName('td');
									if (dcell.length > 0){
									dcell[0].className = 'dayscells';}
									var tdays = tcels[d*2].getElementsByTagName('a');
    									if (tdays.length != 0){
    										tdays[0].className = 'daysText';
										}
									cels[c].className = 'calendarcellsday';
									tcels[d*2+1].className = 'daysinfo';
									var dicell = tcels[d*2+1].getElementsByTagName('td');
									if (dicell.length <= 0 ){
									var TableBody = document.createElement("TBODY");
									var row = document.createElement("TR");
									var cell = document.createElement("TD");
									cell.className = 'daysinfocells';								
									var textval = "";
									var textNode = document.createTextNode(textval);
									cell.appendChild(textNode)
									row.appendChild(cell)
									TableBody.appendChild(row)
									tcels[d*2+1].appendChild(TableBody)
									}
								}
							} 
						}
     			}
     	}
	}

function setVisible(obj, bool){
	if(typeof obj == "string")
		obj = document.getElementById(obj);
	if(bool == false){
		if(obj.style.visibility != 'hidden');
			obj.style.visibility = 'hidden';
	}
	else { 
		if(obj.style.visibility != 'visible');
			obj.style.visibility = 'visible';
	}
}

function replaceSubstring (inputString, badString, goodString, caseSensitive) {
fixedReplace = "";
UI = inputString;
UB = badString;

if ((caseSensitive != 1) && (caseSensitive != true)) {
UI = inputString.toUpperCase();
UB = badString.toUpperCase();
}
badEnd = -1;
badLoc = UI.indexOf(UB);
if (badLoc != -1) {
for (x=1; (badLoc != -1); x++) {
fixedReplace = fixedReplace + inputString.substring((badEnd + 1), badLoc) + goodString
badEnd = badLoc + UB.length - 1;
badLoc = UI.indexOf(UB, (badLoc + 1)); }
fixedReplace = fixedReplace + 
inputString.substring((badEnd + 1),
inputString.length); }
else { fixedReplace = inputString; }
return fixedReplace;
}