var src = 'image';// /portal/resources/subModal

// Popup code
var gPopupMask = null;
var gPopupContainer = null;
var gReturnFunc;
var gPopupIsShown = false;

var gHideSelects = false;
var gHideFlashDivs = true;
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");	

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

function initPopUp(popupmask,popupContainer) {
	
	gPopupMask = document.getElementById(popupmask);//"popupMask"
	gPopupContainer = document.getElementById(popupContainer);//"popupContainer"
	// 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;
	}
}

function showPopWin(width, height, returnFunc,leftuser) //url, width, height, returnFunc
{
	var anchodiv;
	var waux=200; //200 8
	var taux=228; //170 230 260
	var extrawidth=0;
	if (isIE4) {extrawidth=7;}
	if(leftuser!='undefined') waux=leftuser;
	gPopupIsShown = true;
	disableTabIndexes();
	gPopupMask.style.display = "block";
	// calculate where to place the window on screen
	//centerPopWin(width, height);
	
	var titleBarHeight =0; 
	anchodiv=width/2;
	leftpop=(getViewportWidth()-40)/2 + waux;
    gPopupContainer.style.left = (leftpop - anchodiv) + "px";
	//gPopupContainer.style.border="solid #330066";
    gPopupContainer.style.top = taux + "px"; // ((getViewportHeight()/2) - ((height+titleBarHeight)/2)) + "px"; 
	gPopupContainer.style.width = (width-waux) + extrawidth + "px"; //0px 
	gPopupContainer.style.height = (height+titleBarHeight) + "px";
	gPopupContainer.style.display = "block";
	//extender(gPopupContainer.id,width);
	gReturnFunc = returnFunc;
	// for IE
	if (gHideSelects == true) {
		hideSelectBoxes();
	}
	
	if(gHideFlashDivs == true){
		hideFlashDivs();
	}
}

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 fullHeight = getViewportHeight();
		var fullWidth = getViewportWidth();
		
		//var theBody = document.documentElement;
		var theBody = document.getElementsByTagName("BODY")[0];
		theBody.style.overflow = "hidden";
		
		var scTop = parseInt(theBody.scrollTop,10);
		var scLeft = parseInt(theBody.scrollLeft,10);
		
		gPopupMask.style.top = scTop + "px";
		gPopupMask.style.left = scLeft + "px";
		
		gPopupMask.style.height = theBody.scrollHeight + "px";
		gPopupMask.style.width = theBody.scrollWidth + "px";
		
		//window.status = gPopupMask.style.top + " " + gPopupMask.style.left + " " + gi++;
		
		var titleBarHeight = 0; //parseInt(document.getElementById("popupTitleBar").offsetHeight, 10);
		
		//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);
//window.onscroll = centerPopWin;

/**
 * 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.
 */
function setPopTitle() {
	return;
	if (window.frames["popupFrame"].document.title == null) {
		window.setTimeout("setPopTitle();", 10);
	} else {
		document.getElementById("popupTitle").innerHTML = window.frames["popupFrame"].document.title;
	}
}

/**
 * @argument callReturnFunc - bool - determines if we call the return function specified
 * @argument returnVal - anything - return value 
 */
function hidePopWin(callReturnFunc) {
	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) {
		gReturnFunc(window.frames["popupFrame"].returnVal);
	}
	gPopFrame.src = src + '/loading.html';*/
	// display all select boxes
	if (gHideSelects == true) {
		displaySelectBoxes();
	}
	
	if(gHideFlashDivs == true){
		showFlashDivs();
	}
	//clearTimeout(timeoutid);
}


// 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() {
	for(var i = 0; i < document.forms.length; i++) {
		for(var e = 0; e < document.forms[i].length; e++){
			if(document.forms[i].elements[e].tagName == "SELECT") {
				document.forms[i].elements[e].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() {
	for(var i = 0; i < document.forms.length; i++) {
		for(var e = 0; e < document.forms[i].length; e++){
			if(document.forms[i].elements[e].tagName == "SELECT") {
			document.forms[i].elements[e].style.visibility="visible";
			}
		}
	}
}

// Hide DIVS de FLASH
function hideFlashDivs(){
	var objmovie = document.getElementsByTagName("object");
	for(i =0; i < objmovie.length; i++){
		if(objmovie[i].id.substring(0,5) == "flash"){
			objmovie[i].style.visibility="hidden";
			//objmovie[i].style.display = "none";
		}
	}
}

// Show DIVS de FLASH
function showFlashDivs(){
	var divs = document.getElementsByTagName("object");
	for(i =0; i < divs.length; i++){
		if(divs[i].id.substring(0,5) == "flash"){
			//divs[i].style.display="block";
			divs[i].style.visibility="visible";
		}
	}
}