/**
 * POPUP WINDOW CODE v1.1
 * Used for displaying DHTML only popups instead of using buggy modal windows.
 *
 * By Seth Banks (webmaster at subimage dot com)
 * http://www.subimage.com/
 *
 * Contributions by Eric Angel (tab index code) and Scott (hiding/showing selects for IE users)
 *
 * 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 gPopupMask = null;
var gPopupContainer = null;
var gPopFrame = null;
var gReturnFunc;
var gPopupIsShown = false;

var gHideSelects = false;


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;
}

/**
 * Initializes popup code on load.	
 */
function initPopUp() {
	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;
//	}
}
addEvent(window, "load", initPopUp);
 /**
	* @argument width - int in pixels
	* @argument height - int in pixels
	* @argument url - url to display
	* @argument returnFunc - function to call when returning true from the window.
	*/
function showPopWin(url, width, height, returnFunc) {

	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(document.getElementById("popupTitleBar").offsetHeight, 10);
	
	gPopupContainer.style.width = width+"px" ;
	gPopupContainer.style.height = height+titleBarHeight+"px" ;
	// 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(document.getElementById("popupTitleBar").offsetWidth, 10)+"px";
	gPopFrame.style.height = height+"px" ;
	
	// set the url
	gPopFrame.src = url;
	
	gReturnFunc = returnFunc;
	// for IE
	if (gHideSelects == true) {
		hideSelectBoxes();
	}
	
	window.setTimeout("setPopTitle()", 600);
}

//
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 docX;
		var docY;

		  if( document.documentElement && ( document.documentElement.scrollTop || document.documentElement.scrollLeft ) )
		  {
			 docX = document.documentElement.scrollLeft;
			 docY = document.documentElement.scrollTop;
		  } 
		  else
		  { 
			if( document.body && ( document.body.scrollTop || document.body.scrollLeft ) )
			  {
				 docX = document.body.scrollLeft;
				 docY = document.body.scrollTop;
			  }
		  }


/* Modificacion Daniel para saber el aumento del scroll en la ventana */
		var scTop = parseInt(theBody.scrollTop,10); 
		var scLeft = parseInt(theBody.scrollLeft,10); 
//		var scTop = parseInt(docY);
//		var scLeft = parseInt(docX); 


		gPopupMask.style.height = fullHeight+"px";

		gPopupMask.style.width = fullWidth+"px";

		gPopupMask.style.top = scTop+"px";

		gPopupMask.style.left = scLeft+"px"

//		window.status = gPopupMask.style.top + " " + gPopupMask.style.left + " " + gi++;
		
		var titleBarHeight = 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);
addEvent(window, "scroll", centerPopWin);
//window.onscroll = centerPopWin;

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

// para el caso que se esta adicionando un implicado ocultamos la seleccion de entidad
	if ( gPopFrame.src.substr(0,gPopFrame.src.indexOf('.')).toUpperCase()=="BUSQUEDACIUDADANOII") 
	{
		if (countImp > 0 )
		{
			oEntiIdInvestiga(false);
//alert("countImp -> "+ countImp + " gPopFrame.src -> " + gPopFrame.src  + " " + gPopFrame.src.substr(0,gPopFrame.src.indexOf('.')).toUpperCase());
		}
		else 
		{
			oEntiIdInvestiga(true);
		}
	}

	gPopupIsShown = false;
	restoreTabIndexes();
	if (gPopupMask == null) 
	{
		return;
	}
	gPopupMask.style.display = "none";
	gPopupContainer.style.display = "none";
	if (callReturnFunc == true && gReturnFunc != null) 
	{
		gReturnFunc(window.frames["popupFrame"].returnVal);
	}
//	alert(urlLoad);
	if (urlLoad)
			gPopFrame.src = urlLoad+'loading.html';
	else
		gPopFrame.src = 'loading.html';

	// display all select boxes
	if (gHideSelects == true) 
	{
		displaySelectBoxes();
	}
}

function hidePopWinEncuesta(callReturnFunc) {

	gPopupIsShown = false;
	restoreTabIndexes();
	if (gPopupMask == null) {
		return;
	}
	gPopupMask.style.display = "none";
	gPopupContainer.style.display = "none";
	if (callReturnFunc == true && gReturnFunc != null) {
		gReturnFunc(window.frames["popupFrame"].returnVal);
	}
//	alert(urlLoad);
	if (urlLoad)
			gPopFrame.src = urlLoad+'loading.html';
	else
		gPopFrame.src = 'loading.html';
	// 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.
 */
function setPopTitle() {
	if (window.frames["popupFrame"].document.title == null) {
		window.setTimeout("setPopTitle();", 10);
	} else {
		document.getElementById("popupTitle").innerHTML = window.frames["popupFrame"].document.title;
	}
}

// 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() {
	if (document.forms)
	{
		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";
					document.forms[i].elements[e].style.display="none";
				}
			}
		}
	}
}

/**
* 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() {
	if (document.forms)
	{
		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";
					document.forms[i].elements[e].style.display="inline";
				}
			}
		}
	}
}