function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}


addLoadEvent(function() {
	updateRow();
	if(document.getElementById('unl_ucbcn_event')){
		requiredField();
		hideField();
   	}
    try {
	    document.getElementById('__submit__').className = 'submitButton';
	} catch (e) {}
});

addLoadEvent(function() {
	if(el = document.getElementById('description')){
		descriptionCount();
		el.onkeyup = descriptionCount;	
	}
});

function getElementsByClassName(oElm, strTagName, strClassName){
    var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
    var arrReturnElements = new Array();
    strClassName = strClassName.replace(/\-/g, "\\-");
    var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
    var oElement;
    for(var i=0; i<arrElements.length; i++){
        oElement = arrElements[i];      
        if(oRegExp.test(oElement.className)){
            arrReturnElements.push(oElement);
        }
    }
    return (arrReturnElements);
}

/**
 * Will show or hide an element with the given ID.
 */
function showHide(e)
{
   document.getElementById(e).style.display=(document.getElementById(e).style.display=="block")?"none":"block";
   return false;
}


/**
 * Namespace for manager javascript.
 */
var manager = function() {
    return {
        list : 'unset',
        eventselected : false,
        /* Updates elements to which actions can be selected.  */
        updateActionMenus : function(sel) {
            sel.selectedIndex = 0;
            if (manager.anEventIsSelected()) {
                if (manager.list == 'posted' || manager.list == 'archived') {
                    sel[1].disabled = 'disabled';
                    sel[2].disabled = null;
                    sel[4].disabled = null;
                } else if (manager.list == 'search') {
                    sel[1].disabled = null;
                    sel[2].disabled = null;
                    sel[4].disabled = 'disabled';
                } else {
                    sel[1].disabled = null;
                    sel[2].disabled = 'disabled';
                    sel[4].disabled = null;
                }
                sel[3].disabled = null;
            } else {
                sel[1].disabled = 'disabled';
                sel[2].disabled = 'disabled';
                sel[3].disabled = 'disabled';
                sel[4].disabled = 'disabled';
            }
        },
        
        /** Determines if an event is currently selected. */
        anEventIsSelected : function() {
            return manager.eventselected;
        },
        
        /* This function is called when an action is selected within an event listing */
        actionMenuChange  : function(sel) {
            switch(sel[sel.selectedIndex].value) {
            case 'posted':
            case 'archived':
                var button = document.getElementById('moveto_posted');
                button.click();
                break;
            case 'pending':
                var button = document.getElementById('moveto_pending');
                button.click();
                break;
            case 'recommend':
                document.formlist.action = '?action=recommend';
                document.formlist.submit();
                break;
            case 'delete':
                var button = document.getElementById('delete_event');
                button.click();
                break;
            }
        }
    };
}();


function checknegate(id){
	checkevent(id);
}

function highlightLine(l,id) {
	animation(l,id);	
	checkevent(id);
	checkInput();
}

function animation(l,id){
	var TRrow = "row" + id;
	var input = l.getElementsByTagName('input')[0];
	try {
		if (input.checked == true){
			if(!l.className){
				Spry.Effect.Highlight(TRrow,{duration:400,from:'#ffffcc',to:'#ffffff',restoreColor: '#ffffff',toggle: false});
			}
			else{
				Spry.Effect.Highlight(TRrow,{duration:400,from:'#ffffcc',to:'#e8f5fa',restoreColor: '#e8f5fa',toggle: false});
			} 
		} else {
			if(!l.className){
				Spry.Effect.Highlight(TRrow,{duration:400,from:'#ffffff',to:'#ffffcc',restoreColor: '#ffffcc',toggle: false});
			}
			else{
				Spry.Effect.Highlight(TRrow,{duration:400,from:'#e8f5fa',to:'#ffffcc',restoreColor: '#ffffcc',toggle: false});
			} 
			//bring back uncheck all button
			var inputUncheck = getElementsByClassName(document, "a", "uncheckall");
			inputUncheck[0].style.display = 'inline';
		}
	} catch(e) {}
}

function checkevent(id) {
    try {
		var checkSet = eval("document.formlist.event" + id);
		checkSet.checked = !checkSet.checked
	} catch(e) {}
}

function updateRow(){

	var rowT = document.getElementsByTagName('tr');
	for (var i=0; i< rowT.length; i++)
		{
			if(rowT[i].className.indexOf('updated') >= 0){
				if(rowT[i].className.indexOf('alt') >= 0){
				Spry.Effect.Highlight(rowT[i],{duration:2000,from:'#FAFAB7',to:'#e8f5fa',restoreColor: '#e8f5fa',toggle: false});
				}
				else{
				Spry.Effect.Highlight(rowT[i],{duration:2000,from:'#FAFAB7',to:'#ffffff',restoreColor: '#ffffff',toggle: false});					
				}
			}
		}	

} 

function requiredField(){
	var fieldset = document.getElementsByTagName('fieldset');
	var lastrequired = getElementsByClassName(document, "span", "required");
	try {
		//alert(lastrequired.length);
		lastrequired[lastrequired.length - 1].id = 'lastfieldset';
		
		for(var i=0; i<fieldset.length; i++){
			//var divrequired = getElementsByClassName(fieldset[i], "div", "reqnote");
			var spanrequired = getElementsByClassName(fieldset[i], "span", "required");
			if(spanrequired.length < 2){
				if (spanrequired.length > 0 && spanrequired[0].parentNode.nextSibling.childNodes.length > 0){
					spanrequired[0].parentNode.nextSibling.childNodes[0].style.background = '#f8e6e9';
				}
			} else {
				for(var c = 0, p = spanrequired.length; c<p; c++){
					if (spanrequired.length > 0 && spanrequired[c].parentNode.nextSibling.childNodes.length > 0){
						spanrequired[c].parentNode.nextSibling.childNodes[0].style.background = '#f8e6e9';
					}
				}
			}
		}
	} catch(e) {}
}

/*safari fixes*/
function showIsAppleWebKit() {
			
			// String found if this is a AppleWebKit based product
			var kitName = "applewebkit/";
			var tempStr = navigator.userAgent.toLowerCase();
			var pos = tempStr.indexOf(kitName);
			var isAppleWebkit = (pos != -1);
		
			if (isAppleWebkit) {
			var fieldObj = getElementsByClassName(document, "fieldset", "d__header___class"); 
			fieldObj[0].style.marginTop = '-10px';	
			} else {
			
				var eventLoc = document.getElementById('eventlocationheader');
	  			eventLoc.getElementsByTagName('label')[0].style.display = 'none';
	  		}
}

function hideField(){
	
		var id = document.getElementById('optionaldetailsheader');
		var formContainer = id.getElementsByTagName('ol');
		createButton('Click to add additional details', id, formHide, 'formShow')
		formContainer[0].style.display='none';
	  	
	  
	  	//fix some layout problem at the same time
	  	//var eventNewLoc = document.getElementById('__reverseLink_eventdatetime_event_idlocation_id_1__subForm__div');
	  	//eventNewLoc.className = 'newlocation';
	  	var eventBr = document.getElementById('__header__');
	  	if(eventBr.getElementsByTagName('br')[1]){
	  		eventBr.getElementsByTagName('br')[1].style.display = 'none';
	  	}
	  	
	  	var eventLi = eventBr.getElementsByTagName('li')[1];
	  	if(eventLi){
		  	eventLi.className='consider';
		}
	  	//showIsAppleWebKit();
	
}

function formHide(){
	var id = document.getElementById('optionaldetailsheader');
	var formContainer = id.getElementsByTagName('ol');
	formContainer[0].style.display=(formContainer[0].style.display=="block")?"none":"block";
	var linkId = document.getElementById('formShow');
	linkId.childNodes[0].nodeValue = (linkId.childNodes[0].nodeValue=="Hide Form")?"Click to add additional details":"Hide Form";
	return false;
}

function createButton(linktext, attachE, actionFunc, idN){
	var morelink = document.createElement("a");
	morelink.style.display = 'inline';
	var text = document.createTextNode(linktext);
	morelink.id=idN;
	morelink.href = '#';
	morelink.onclick = actionFunc;
	morelink.appendChild(text);
	attachE.appendChild(morelink);
}

/**
 * Will set all checkboxes under the element with the given ID
 * to the value passed in val.
 */
function setCheckboxes(formid,val)
{
	//try {
		var inputUncheck = getElementsByClassName(document, "a", "uncheckall");
		var inputCheck = getElementsByClassName(document, "a", "checkall");
    	var f = document.getElementById(formid);
		var checks = f.getElementsByTagName('input');
		for (var i=0;i<checks.length;i++) {
			var TDcell = checks[i].parentNode.parentNode;
			if (val) {
				checks[i].checked = true;
				if (formid != 'unl_ucbcn_user') {
    				//Spry.Effect.Highlight(TDcell,{duration:400,from:'#FFFFFF',to:'#ffffcc',restoreColor:'#ffffcc',toggle: false});
                }
				manager.eventselected = true;
			//	inputUncheck[0].style.display = 'inline';
			} else {
				checks[i].checked = false;
				if (formid != 'unl_ucbcn_user'){
                    if(TDcell.className.indexOf('alt') >= 0){
                        //Spry.Effect.Highlight(TDcell,{duration:400,from:'#FAFAB7',to:'#e8f5fa',restoreColor:'#e8f5fa',toggle: false});
                    }
                    else{
                      //  Spry.Effect.Highlight(TDcell,{duration:400,from:'#FAFAB7',to:'#ffffff',restoreColor:'#ffffff',toggle: false});					
                    }
                }
            manager.eventselected = false;
			//    inputCheck[0].className += 'eventselected';
			//	inputUncheck[0].style.display = 'none';
			}
		}
	
	//} catch(e) {}
}

//we need to constantly check whether any of the inputs are selected
function checkInput(){
	var flag = 0;
	var inputUncheck = getElementsByClassName(document, "a", "uncheckall");
	var inputCheck = getElementsByClassName(document, "a", "checkall");
	var f = document.formlist;
	var checks = f.getElementsByTagName('input');
	
	for(var k=0;k<checks.length;k++){
		if(checks[k].checked == true){
			flag = 1;
		}
	}
	if (flag == 0){
		//inputUncheck[0].style.display = 'none';
	}
	else{
		//inputCheck[0].className += 'eventselected';
		manager.eventselected = true;
	}
}

function descriptionCount(){
	var count = document.getElementById('description').value.length;
	document.getElementById('desc_current').innerHTML = count;
}