/**
 * 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.
 */

function addEvent(obj, evType, fn){
 if (obj.addEventListener){
    obj.addEventListener(evType, fn, true);
    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");
  }
}

function getViewportHeight(level) {
    if (window.innerHeight!=window.undefined) return window.innerHeight;
    if (level) {
        if (parent.document.compatMode=='CSS1Compat') return parent.document.documentElement.clientHeight;
        if (parent.document.body) return parent.document.body.clientHeight; 
    } else {
        if (document.compatMode=='CSS1Compat') return document.documentElement.clientHeight;
        if (document.body) return document.body.clientHeight; 
    }
    return window.undefined; 
}
function getViewportWidth(level) {
	if (window.innerWidth!=window.undefined) return window.innerWidth; 
    if (level) {
        if (parent.document.compatMode=='CSS1Compat') return parent.document.documentElement.clientWidth; 
        if (parent.document.body) return parent.document.body.clientWidth; 
    } else {
        if (document.compatMode=='CSS1Compat') return document.documentElement.clientWidth; 
        if (document.body) return document.body.clientWidth; 
    }
    return window.undefined; 
}


/**
 * POPUP WINDOW CODE
 * 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.
 */
// 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;
}


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

var gHideSelects = false;
var gPlaceholderUrl = "loading.html";

var gTabIndexes = new Array();

/**
 * 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;
	}
}

function subModal_setPlaceholderUrl( sUrl ) {
	gPlaceholderUrl = sUrl;
}

 /**
	* @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, x, y ) {
	gPopupIsShown = true;
	disableTabIndexes();
	gPopupMask.style.display = "block";

	gPopupContainer.style.display = "block";
	// calculate where to place the window on screen
	positionPopWin(width, height, x, y );

//	var titleBarHeight = 0;
	var titleBarHeight = parseInt(document.getElementById("popupTitleBar").offsetHeight, 10);
    if (document.getElementById("popupTitleBar")) {
        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
    if (document.getElementById("popupTitleBar")) {
    	gPopFrame.style.width = parseInt(document.getElementById("popupTitleBar").offsetWidth, 10) + "px";
    }
	gPopFrame.style.height = (height) + "px";

	// set the url
    if (url != null) {
    	gPopFrame.src = url;
    }

	gReturnFunc = returnFunc;
	// for IE
	if (gHideSelects == true) {
		var oPopup = gPopupContainer || docGet( "popupContainer" );
		hideDropdowns( oPopup )
	}

	self.subModalState = "visible";
	gPopFrame.subModalState = "visible";

    //	window.setTimeout("setPopTitle();", 600);
}

//
var gi = 0;
function positionPopWin(width, height, x, y) {
	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 scTop = parseInt(theBody.scrollTop,10);
		var scLeft = parseInt(theBody.scrollLeft,10);

		gPopupMask.style.height = fullHeight + 1000 + "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 = 0;
        if (document.getElementById("popupTitleBar")) {
            titleBarHeight = parseInt(document.getElementById("popupTitleBar").offsetHeight, 10);
        }

		if( x ) {
			gPopupContainer.style.left = x + "px";
		} else {
			gPopupContainer.style.left =  (scLeft + ((fullWidth - width) / 2)) + "px";
		}
		if( y ) {
			gPopupContainer.style.top = y + "px";
		} else {
			gPopupContainer.style.top = (scTop + ((fullHeight - (height+titleBarHeight)) / 2)) + "px";
		}

		//alert(fullWidth + " " + width + " " + gPopupContainer.style.left);
	}
}


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

	if (gPopupMask == null) {
		return;
	}
	gPopupMask.style.display = "none";

	gPopupContainer.style.display = "none";
	
	self.subModalState = "hidden";
	gPopFrame.subModalState = "hidden";
	
	if (callReturnFunc == true && gReturnFunc != null) {
		gReturnFunc(window.frames["popupFrame"].returnVal);
	}

	gPopFrame.src = gPlaceholderUrl;

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

/**
 * 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++;
			}
		}
	}
}

function hideDropdowns( oPopup ) {

	var arr = document.getElementsByTagName("SELECT");

	self._dropdowns_ = new Array( arr.length );
	self._dropdowns_state_ = new Array( arr.length );
	self._dropdowns_enabled_ = new Array( arr.length );

	for( var i=0,n=arr.length; i < n; i++ ) {
		self._dropdowns_[ i ] = arr[ i ];
		self._dropdowns_state_[ i ] = new String( arr[ i ].style.visibility );
		self._dropdowns_enabled_[ i ] = new String( arr[ i ].disabled );
		var overlap = ( self.isOverlapped ? self.isOverlapped( arr[ i ], oPopup ) : true );
		arr[ i ].style.visibility = ( overlap ? "hidden" : "visible" );
		arr[ i ].disabled = true;
		arr[ i ].style.cursor="wait";
	}
}

function restoreDropdowns() {
	self._dropdowns_ = ( self._dropdowns_ ) || document.getElementsByTagName("SELECT");
	self._dropdowns_state_ = ( self._dropdowns_state_ ) || new Array( self._dropdowns_.length );
	for( var i=0, n=self._dropdowns_.length; i < n; i++ ) {
		self._dropdowns_[ i ].style.visibility = self._dropdowns_state_[ i ];
		self._dropdowns_[ i ].disabled = ( "true" == self._dropdowns_enabled_[ i ] );
		self._dropdowns_[ i ].style.cursor="default";
	}
}




/////// second submodal window

var gPopupMask2 = null;
var gPopupContainer2 = null;
var gPopFrame2 = null;
var gReturnFunc2;
var gPopupIsShown2 = false;

var gHideSelects2 = false;
var gPlaceholderUrl2 = "loading.html";

var gTabIndexes2 = new Array();

function initPopUp2() {
	gPopupMask2 = top.document.getElementById("popupMask2");
	gPopupContainer2 = top.document.getElementById("popupContainer2");
	gPopFrame2 = top.document.getElementById("popupFrame2");

	// 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) {
		gHideSelects2 = true;
	}
}

function subModal_setPlaceholderUrl2( sUrl ) {
	gPlaceholderUrl2 = sUrl;
}

function showPopWin2(url, width, height, returnFunc, x, y ) {

	gPopupIsShown2 = true;
	disableTabIndexes();
	gPopupMask2.style.display = "block";

	gPopupContainer2.style.display = "block";
	positionPopWin2(width, height, x, y );

	var titleBarHeight = parseInt(top.document.getElementById("popupTitleBar2").offsetHeight, 10);
    if (top.document.getElementById("popupTitleBar2")) {
        parseInt(top.document.getElementById("popupTitleBar2").offsetHeight, 10);
    }

	gPopupContainer2.style.width = width + "px";
	gPopupContainer2.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
    if (top.document.getElementById("popupTitleBar2")) {
    	gPopFrame2.style.width = parseInt(top.document.getElementById("popupTitleBar2").offsetWidth, 10) + "px";
    }
	gPopFrame2.style.height = (height) + "px";

	// set the url
    if (url != null) {
    	gPopFrame2.src = url;
    }

	gReturnFunc2 = returnFunc;
	// for IE
	if (gHideSelects2 == true) {
		var oPopup = gPopupContainer2 || docGet( "popupContainer2" );
		hideDropdowns( oPopup )
	}

	self.subModalState = "visible";
	gPopFrame2.subModalState = "visible";
	
//	window.setTimeout("setPopTitle2();", 600);
}

//
var gi2 = 0;
function positionPopWin2(width, height, x, y) {
	if (gPopupIsShown2 == true) {
		if (width == null || isNaN(width)) {
			width = gPopupContainer2.offsetWidth;
		}
		if (height == null) {
			height = gPopupContainer2.offsetHeight;
		}

		var fullHeight = getViewportHeight(true);
		var fullWidth = getViewportWidth(true);

//		var theBody = document.documentElement;

//		var scTop = parseInt(theBody.scrollTop,10);
//		var scLeft = parseInt(theBody.scrollLeft,10);

        var rootWidth = top.rootWidth;
        var rootHeight = top.rootHeight;

		var scTop = ((rootHeight - fullHeight - secondaryTitleHeight)/2);

		var scLeft = ((rootWidth-fullWidth)/2) - 1;

		gPopupMask2.style.height = secondaryLayerHeight  + secondaryTitleHeight + 1 + "px";
		gPopupMask2.style.width = secondaryLayerWidth + "px";
		gPopupMask2.style.top = scTop + "px";
		gPopupMask2.style.left = scLeft + "px";

		window.status = gPopupMask2.style.top + " " + gPopupMask2.style.left + " " + gi2++;

		var titleBarHeight = 0;
        if (top.document.getElementById("popupTitleBar2")) {
            titleBarHeight = parseInt(top.document.getElementById("popupTitleBar2").offsetHeight, 10);
        }

		if( x ) {
			gPopupContainer2.style.left = x + "px";
		} else {
			gPopupContainer2.style.left =  (scLeft + ((fullWidth - width) / 2)) + "px";
		}
		if( y ) {
			gPopupContainer2.style.top = y + "px";
		} else {
			gPopupContainer2.style.top = (scTop + ((fullHeight - (height)) / 2)) + "px";
		}

		//alert(fullWidth + " " + width + " " + gPopupContainer2.style.left);
	}
}


/**
 * @argument callReturnFunc - bool - determines if we call the return function specified
 * @argument returnVal - anything - return value
 */
function hidePopWin2(callReturnFunc) {
	gPopupIsShown2 = false;
	restoreTabIndexes();

	if (gPopupMask2 == null) {
		return;
	}
	gPopupMask2.style.display = "none";
	gPopupContainer2.style.display = "none";
	
	self.subModalState = "hidden";
	gPopFrame2.subModalState = "hidden";
	
	if (callReturnFunc == true && gReturnFunc2 != null) {
		gReturnFunc2(window.frames["popupFrame2"].returnVal);
	}
// following line commented out because it causes parent to collapse
//	gPopFrame2.src = gPlaceholderUrl2;

	// display all select boxes
	if (gHideSelects2 == true) {
		restoreDropdowns();
	}

}

/**
 * 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 setPopTitle2() {
	if (window.frames["popupFrame2"].document.title == null) {
		window.setTimeout("setPopTitle2();", 10);
	} else {
		top.document.getElementById("popupTitle2").innerHTML = window.frames["popupFrame2"].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 keyDownHandler2(e) {
    if (gPopupIsShown2 && e.keyCode == 9)  return false;
}


function fixSubModalInits() {
    initPopUp();
    initPopUp2();
}

addEvent(window, "load", fixSubModalInits);