BROWSER = new Object();
BROWSER.isOpera = navigator.userAgent.indexOf("Opera") > -1;
BROWSER.isIE    = navigator.userAgent.indexOf("MSIE") > 1 && !BROWSER.isOpera; 
BROWSER.isMoz   = navigator.userAgent.indexOf("Mozilla/5.") == 0 && !BROWSER.isOpera;

if (typeof($) != "function") $ = function(ID) { return document.getElementById(ID); }

function clearValue(textfieldId, imgID) {
	var item = document.getElementById(textfieldId);
    if (imgID) {
		img = $(imgID);
		if (img.tagName == "IMG") {
			img.height = 0;
		}
		if (img.tagName == "DIV") {
		    img.innerHTML = "";
		}
	}
	item.value = "";
}

editorWin = null;
function openHTMLEditor(contentID, previewID) {
   var loc = 'htmledit.php?field=' + contentID;
   var previewObj = document.getElementById(previewID);
   if (previewObj) loc += "&preview=" + previewID;
   editorWin = window.open(loc, '_new', 'width=500, height=500, scrollbars=no, resizable=yes');
   editorWin.focus();
}

function redirect(id) {
   alert("This link works only in front-end site!")
}

function popupimg(img) {
	var win = window.open("/enlarge.php?src="+img, "Popup","toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=yes,width=200,height=200");
	win.focus();
}

// Display image/flash when input field source was changed
function setImage(imgInput, img) {
	var inputObj = document.getElementById(imgInput);
	if (!imgInput) return false;
	var imgObj = document.getElementById(img);
	if (!imgObj) return false;
	inputObj.imgObj = imgObj; 
	
	inputObj.onchange = inputObj.onblur = function() {
		if (this.value.match(/.swf$/)) {
		    var divNode = document.createElement('DIV');
		    divNode.id = this.imgObj.id;
		    var so = new SWFObject(this.value, "mymovie", "400", "400", "8", "#336699");
		    this.imgObj.parentNode.replaceChild(divNode, this.imgObj);
		    this.imgObj = document.getElementById(divNode.id);
		    so.write(divNode.id);
		    //var flashobj = $(so.getAttribute('id'));
		} else {
		    var isIMG = this.value.match(/\.(jpg|gif|png|bmp)$/g);
			if (this.imgObj.tagName == "DIV" && isIMG){
			    var imgNode = document.createElement('IMG');
			    imgNode.id = this.imgObj.id;
			    imgNode.border = "0";
				this.imgObj.parentNode.replaceChild(imgNode, this.imgObj);
				this.imgObj = document.getElementById(imgNode.id);
				this.imgObj.src = this.value;
			} else if (this.imgObj.tagName != "DIV" && isIMG) {
				var Img = new Image();
				Img.src = this.value;
				this.imgObj.src = this.value;
				this.imgObj.height = Img.height;
			} else if (this.imgObj.tagName == "DIV" && !isIMG) {
				this.imgObj.innerHTML = "";
			} else {
				this.imgObj.height = 0;
			}
		}
	}
}

MANAGER = new Object();

// open file manager window
MANAGER.openFileManager = function(fieldID) {
   var loc = "../backoffice/ajaxfilemanager/ajaxfilemanager.php";
   openWin(loc, 'fileManager', 800, 420, "");
   MANAGER.field = document.getElementById(fieldID);
}

// handle file manager returned url
MANAGER.handleURL = function(url) {
	if (!MANAGER.field) return;
	MANAGER.field.value = url;
	MANAGER.field.onchange();
} 

// open classic popup window
var win_array = [];
function openWin(loc, winName, winWidth, winHeight, winParams){
   if (!win_array[winName]) win_array[winName] = null;
   if (!win_array[winName] || (win_array[winName] && win_array[winName].closed)){
      if (winParams=='full'){
         winParams = 'resizable=yes,menubar=yes,status=yes,toolbar=yes,titlebar=yes,location=yes,directories=yes,scrollbars=yes';
      }
      win_array[winName] = window.open(loc, winName, "width="+winWidth+",height="+winHeight+","+winParams);
   }

   win_array[winName].location = loc;
   win_array[winName].focus();
   return win_array[winName];
}


// open modal dialog window
function openModal(loc, param, dWidth, dHeight, winParams){
   if (winParams=='full'){
      winParams = 'resizable:yes,status:yes;scroll:yes;help:yes;edge:raised;unadorned:yes';
   }
   if (typeof(winParams)=='undefined'){
      winParams = 'resizable:yes,status:no;scroll:yes;help:yes;edge:raised;unadorned:yes';
   }
      
   if (window.showModalDialog){
       window.showModalDialog(loc, param, "dialogWidth:"+dWidth+"px;dialogHeight:"+dHeight+"px;"+winParams);
   }
   else {
       var win = window.open(loc, 'editWin','height='+dHeight+',width='+dWidth+',toolbar=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,modal=yes');
	   win.location = loc;
       win.focus();
   }
}

function in_array(el, arr) {
	for(var i=0; i<arr.length; i++) if (arr[i] == el) return true;
	for(var i in arr) if (arr[i] == el) return true;
	return false;
}

// Change color of elements with lightTagName,
// which are children of elemID. It works on mouse over/out event.
function hoverLight(elemID, lightTagName, ignoreTags) {
	var elem = $(elemID);
	if (!elem) return;
	var elems = elem.getElementsByTagName(lightTagName);
	for(var i=0; i<elems.length; i++) {
		elems[i].oldColor = elems[i].style.backgroundColor;
		elems[i].onmouseover = function(){
			var children = this.getElementsByTagName('*');
			for(var i=0; i<children.length; i++) {
			    if (this.ignoreTags && this.in_array(children[i].tagName, this.ignoreTags)) continue;
				children[i].style.backgroundColor = "#DCE4F5";
		    }
		}
		elems[i].onmouseout = function() {
			var children = this.getElementsByTagName('*');
			for(var i=0; i<children.length; i++) {
				if (this.ignoreTags && this.in_array(children[i].tagName, this.ignoreTags)) continue;
				children[i].style.backgroundColor = this.oldColor;
		    }
		}
		if (ignoreTags) elems[i].ignoreTags = ignoreTags.split(",");
		// hack for Mozilla
		elems[i].in_array = in_array;
	}
}

// Check All
function check(formName, fieldName, allName) {
    var theform = document.forms[formName];
    var checks = theform[fieldName];

    for (i = 0; i < checks.length; i++) {
         checks[i].checked = theform[allName].checked;
    }
}

// Check one
function validateChecks(formName, fieldName, allName){
    var theform = document.forms[formName];
    var checks = theform[fieldName];
    var fullchecked = true;
    for (i = 0; i < checks.length; i++) {
         if (!checks[i].checked){ 
             fullchecked = false;
             break;
         }
    }
    if (theform[allName].checked && !fullchecked) theform[allName].checked = false;
    if (!theform[allName].checked && fullchecked) theform[allName].checked = true;
}

function initCheckboxHandler(formName, fieldName, allName) {
    var theform = document.forms[formName];
    var checks = theform[fieldName];
    for (i = 0; i < checks.length; i++) {
    	checks[i].onclick = new Function("validateChecks('" + formName + "','" + fieldName + "','" + allName + "')");
    }
    theform[allName].onclick = new Function("check('" + formName + "','" + fieldName + "','" + allName + "')");
    validateChecks(formName, fieldName, allName);
}
