/**
 * SUBMODAL v1.5
 * Used for displaying DHTML only popups instead of using buggy modal windows.
 *
 * By Seth Banks
 * http://www.subimage.com/
 *
 * Contributions by:
 * 	Eric Angel - tab index code
 * 	Scott - hiding/showing selects for IE users
 *	Todd Huss - inserting modal dynamically and anchor classes
 *
 * Up to date code can be found at http://www.subimage.com/dhtml/subModal
 * 
 *
 * This code is free for you to use anywhere, just keep this comment block.
 */

// Popup code
var gApplicationPath = "/projudi";
var gModalPath = "/scripts/subModal";
var gPopupMask = null;
var gPopupContainer = null;
var gPopFrame = null;
var gReturnFunc;
var gPopupIsShown = false;
var gDefaultPage = gApplicationPath + gModalPath + "/carregando.html";
var gDefaultCSS = gApplicationPath + gModalPath + "/subModal.css";
var gHideSelects = false;
var gReturnVal = null;

var gTabIndexes = new Array();
// Pre-defined list of tags we want to disable/enable tabbing into
var gTabbableTags = new Array("A","BUTTON","TEXTAREA","INPUT","IFRAME");	

//declaração para o css (no início do javascript para não dar problema com o IE
document.write('<link href="'+ gDefaultCSS + '" rel="stylesheet" type="text/css">'); 

// If using Mozilla or Firefox, use Tab-key trap.
if (!document.all) {
    document.onkeypress = keyDownHandler;
}

/**
 * Initializes popup code on load.	
 */
function initPopUp() {
    // Add the HTML to the body
    theBody = document.getElementsByTagName('BODY')[0];
    popmask = document.createElement('div');
    popmask.id = 'popupMask';
    popcont = document.createElement('div');
    popcont.id = 'popupContainer';
    popcont.innerHTML = '' +                
        '<div id="popupInner">' +
          '<div id="popupTitleBar">' +
            '<div id="popupTitle"></div>' +
            '<div id="popupControls">' +
              '<img src="' + gApplicationPath + gModalPath + '/close.gif" onclick="hidePopWin(false);" id="popCloseBox" />' +
            '</div>' +
          '</div>' +
          '<iframe src="'+ gDefaultPage +'" style="width:100%;height:100%;background-color:transparent;" scrolling="auto" frameborder="0" allowtransparency="true" id="popupFrame" name="popupFrame" width="100%" height="100%"></iframe>' +
        '</div>';	

    theBody.appendChild(popmask);        
    theBody.appendChild(popcont);

    gPopupMask = document.getElementById("popupMask");
    gPopupContainer = document.getElementById("popupContainer");
    gPopFrame = document.getElementById("popupFrame");	

    // check to see if this is IE version 6 or lower. hide select boxes if so
    // maybe they'll fix this in version 7?
    var brsVersion = parseInt(window.navigator.appVersion.charAt(0), 10);
    if (brsVersion <= 6 && window.navigator.userAgent.indexOf("MSIE") > -1) {
        gHideSelects = true;
    }
	
    // Add onclick handlers to 'a' elements of class submodal or submodal-width-height
    var elms = document.getElementsByTagName('a');
    for (i = 0; i < elms.length; i++) {
        if (elms[i].className.indexOf("submodal") == 0) { 
            // var onclick = 'function (){showPopWin(\''+elms[i].href+'\','+width+', '+height+', null);return false;};';
            // elms[i].onclick = eval(onclick);
            elms[i].onclick = function(){
                // default width and height
                var width = 400;
                var height = 200;
                // Parse out optional width and height from className
                params = this.className.split('-');
                if (params.length == 3) {
                    width = parseInt(params[1]);
                    height = parseInt(params[2]);
                }
                showPopWin(this.href,null,width,height,null); return false;
            }
        }
    }
}
addEvent(window, "load", initPopUp);

/**
 * @argument url - url da pagina que sera exibida dentro do popup
 * @argument width - largura em pixels
 * @argument height - altura em pixels
 * @argument returnFunc - funcao de "callback" que sera chamada no retorno do popup
 * @argument showCloseBox - indica se deve ser exibido o botao de fechar (se nao vier, sera true) 
 */

function showPopWin(url, width, height, returnFunc, showCloseBox) {
        var popupTitleBar = document.getElementById("popupTitleBar");
    
	// show or hide the window close widget
	if (showCloseBox == null || showCloseBox == true) {
		document.getElementById("popCloseBox").style.display = "block";
	} else {
		document.getElementById("popCloseBox").style.display = "none";
	}
	gPopupIsShown = true;
	disableTabIndexes();
	gPopupMask.style.display = "block";
	gPopupContainer.style.display = "block";
	// calculate where to place the window on screen
	centerPopWin(width, height);
	
	var titleBarHeight = parseInt(popupTitleBar.offsetHeight, 10);


	gPopupContainer.style.width = width + "px";
	gPopupContainer.style.height = (height+titleBarHeight) + "px";
	
	setMaskSize();

	// need to set the width of the iframe to the title bar width because of the dropshadow
	// some oddness was occuring and causing the frame to poke outside the border in IE6
	gPopFrame.style.width = parseInt(popupTitleBar.offsetWidth, 10) + "px";
	gPopFrame.style.height = (height) + "px";
	
	// set the url
	gPopFrame.src = url;
	
	gReturnFunc = returnFunc;
	// for IE
	if (gHideSelects == true) {
		hideSelectBoxes();
	}
	
        //Atrasa a tentativa de atribuir um título
	window.setTimeout("setPopTitle();", 300);
}

//
var gi = 0;
function centerPopWin(width, height) {
    if (gPopupIsShown == true) {
        if (width == null || isNaN(width)) {
            width = gPopupContainer.offsetWidth;
        }
        if (height == null) {
            height = gPopupContainer.offsetHeight;
        }
		
        //var theBody = document.documentElement;
        var theBody = document.getElementsByTagName("BODY")[0];
        //theBody.style.overflow = "hidden";
        var scTop = parseInt(getScrollTop(),10);
        var scLeft = parseInt(theBody.scrollLeft,10);
	
        setMaskSize();
		
        //window.status = gPopupMask.style.top + " " + gPopupMask.style.left + " " + gi++;
		
        var titleBarHeight = parseInt(document.getElementById("popupTitleBar").offsetHeight, 10);
		
        var fullHeight = getViewportHeight();
        var fullWidth = getViewportWidth();
		
        gPopupContainer.style.top = (scTop + ((fullHeight - (height+titleBarHeight)) / 2)) + "px";
        gPopupContainer.style.left =  (scLeft + ((fullWidth - width) / 2)) + "px";
        //alert(fullWidth + " " + width + " " + gPopupContainer.style.left);
    }
}
addEvent(window, "resize", centerPopWin);
addEvent(window, "scroll", centerPopWin);
window.onscroll = centerPopWin;


/**
 * Sets the size of the popup mask.
 *
 */
function setMaskSize() {
    var theBody = document.getElementsByTagName("BODY")[0];
			
    var fullHeight = getViewportHeight();
    var fullWidth = getViewportWidth();
	
    // Determine what's bigger, scrollHeight or fullHeight / width
    if (fullHeight > theBody.scrollHeight) {
        popHeight = fullHeight;
    } else {
        popHeight = theBody.scrollHeight;
    }
	
    if (fullWidth > theBody.scrollWidth) {
        popWidth = fullWidth;
    } else {
        popWidth = theBody.scrollWidth;
    }
	
    gPopupMask.style.height = popHeight + "px";
    gPopupMask.style.width = popWidth + "px";
}

/**
 * @argument callReturnFunc - bool - determines if we call the return function specified
 * @argument returnVal - anything - return value 
 */
function hidePopWin(callReturnFunc) {
    hidePopWin(callReturnFunc, null)
}

function hidePopWin(callReturnFunc, returnVal) {
    gPopupIsShown = false;
    var theBody = document.getElementsByTagName("BODY")[0];
    theBody.style.overflow = "";
    restoreTabIndexes();
    if (gPopupMask == null) {
        return;
    }
    gPopupMask.style.display = "none";
    gPopupContainer.style.display = "none";
    if (callReturnFunc == true && gReturnFunc != null) {
        // Set the return code to run in a timeout.
        // Was having issues using with an Ajax.Request();
        if (returnVal != null) {
            gReturnVal = returnVal;
        } else {
            gReturnVal = window.frames["popupFrame"].returnVal;
        }
        
        window.setTimeout('gReturnFunc(gReturnVal);', 1);
    }
    gPopFrame.src = gDefaultPage;
    // display all select boxes
    if (gHideSelects == true) {
        displaySelectBoxes();
    }
}

/**
 * Sets the popup title based on the title of the html document it contains.
 * Uses a timeout to keep checking until the title is valid.
 */
//numero máximo de tentativas para pegar o titulo (caso a página interna atrase para abrir)
var maxTentativasTitulo = 10;
var tentativaAtual = 0;
function setPopTitle() {
    if (tentativaAtual <= 10){
	if (window.frames["popupFrame"].document.title == null || window.frames["popupFrame"].document.title == "") {
		window.setTimeout("setPopTitle();", 100);
	} else {
		document.getElementById("popupTitle").innerHTML = window.frames["popupFrame"].document.title;
	}
        tentativaAtual++;
    }
}

// Tab key trap. iff popup is shown and key was [TAB], suppress it.
// @argument e - event - keyboard event that caused this function to be called.
function keyDownHandler(e) {
    if (gPopupIsShown && e.keyCode == 9)  return false;
}

// For IE.  Go through predefined tags and disable tabbing into them.
function disableTabIndexes() {
    if (document.all) {
        var i = 0;
        for (var j = 0; j < gTabbableTags.length; j++) {
            var tagElements = document.getElementsByTagName(gTabbableTags[j]);
            for (var k = 0 ; k < tagElements.length; k++) {
                gTabIndexes[i] = tagElements[k].tabIndex;
                tagElements[k].tabIndex="-1";
                i++;
            }
        }
    }
}

// For IE. Restore tab-indexes.
function restoreTabIndexes() {
    if (document.all) {
        var i = 0;
        for (var j = 0; j < gTabbableTags.length; j++) {
            var tagElements = document.getElementsByTagName(gTabbableTags[j]);
            for (var k = 0 ; k < tagElements.length; k++) {
                tagElements[k].tabIndex = gTabIndexes[i];
                tagElements[k].tabEnabled = true;
                i++;
            }
        }
    }
}

/* Hides all drop down form select boxes on the screen so they do not appear above the mask layer.
 * IE has a problem with wanted select form tags to always be the topmost z-index or layer
 *
 * Thanks for the code Scott!
 */
function hideSelectBoxes() {
    var selects = document.getElementsByTagName("SELECT");
    for(var i = 0; i < selects.length; i++) {      
        selects[i].style.visibility="hidden";
    }
}

/*
 * Makes all drop down form select boxes on the screen visible so they do not reappear after the dialog is closed.
 * IE has a problem with wanted select form tags to always be the topmost z-index or layer
 */
function displaySelectBoxes() {
    var selects = document.getElementsByTagName("SELECT");
    for(var i = 0; i < selects.length; i++) {      
        selects[i].style.visibility="visible";
    }
}

/**
 * COMMON DHTML FUNCTIONS
 * These are handy functions I use all the time.
 *
 * By Seth Banks (webmaster at subimage dot com)
 * http://www.subimage.com/
 *
 * Up to date code can be found at http://www.subimage.com/dhtml/
 *
 * This code is free for you to use anywhere, just keep this comment block.
 */

/**
 * X-browser event handler attachment and detachment
 * TH: Switched first true to false per http://www.onlinetools.org/articles/unobtrusivejavascript/chapter4.html
 *
 * @argument obj - the object to attach event to
 * @argument evType - name of the event - DONT ADD "on", pass only "mouseover", etc
 * @argument fn - function to call
 */
function addEvent(obj, evType, fn){
    if (obj.addEventListener){
        obj.addEventListener(evType, fn, false);
        return true;
    } else if (obj.attachEvent){
        var r = obj.attachEvent("on"+evType, fn);
        return r;
    } else {
        return false;
    }
}
function removeEvent(obj, evType, fn, useCapture){
    if (obj.removeEventListener){
        obj.removeEventListener(evType, fn, useCapture);
        return true;
    } else if (obj.detachEvent){
        var r = obj.detachEvent("on"+evType, fn);
        return r;
    } else {
        alert("Handler could not be removed");
    }
}

/**
 * Code below taken from - http://www.evolt.org/article/document_body_doctype_switching_and_more/17/30655/
 *
 * Modified 4/22/04 to work with Opera/Moz (by webmaster at subimage dot com)
 *
 * Gets the full width/height because it's different for most browsers.
 */
function getViewportHeight() {
    if (window.innerHeight!=window.undefined) return window.innerHeight;
    if (document.compatMode=='CSS1Compat') return document.documentElement.clientHeight;
    if (document.body) return document.body.clientHeight; 

    return window.undefined; 
}
function getViewportWidth() {
    var offset = 17;
    var width = null;
    if (window.innerWidth!=window.undefined) return window.innerWidth; 
    if (document.compatMode=='CSS1Compat') return document.documentElement.clientWidth; 
    if (document.body) return document.body.clientWidth; 
}

/**
 * Gets the real scroll top
 */
function getScrollTop() {
    if (self.pageYOffset) // all except Explorer
    {
        return self.pageYOffset;
    }
    else if (document.documentElement && document.documentElement.scrollTop)
    // Explorer 6 Strict
    {
        return document.documentElement.scrollTop;
    }
    else if (document.body) // all other Explorers
    {
        return document.body.scrollTop;
    }
}
function getScrollLeft() {
    if (self.pageXOffset) // all except Explorer
    {
        return self.pageXOffset;
    }
    else if (document.documentElement && document.documentElement.scrollLeft)
    // Explorer 6 Strict
    {
        return document.documentElement.scrollLeft;
    }
    else if (document.body) // all other Explorers
    {
        return document.body.scrollLeft;
    }
}