// Copyright © 2000 by Apple Computer, Inc., All Rights Reserved.
//
// You may incorporate this Apple sample code into your own code
// without restriction. This Apple sample code has been provided "AS IS"
// and the responsibility for its operation is yours. You may redistribute
// this code, but you are not permitted to redistribute it as
// "Apple sample code" after having made changes.
// ********************************
// application-specific functions *
// ********************************

// store variables to control where the popup will appear relative to the cursor position
// positive numbers are below and to the right of the cursor, negative numbers are above and to the left
var xOffset = 0;
var yOffset = 0;

function showPopup (targetObjectId, eventObj) {
    if(eventObj) {
	// hide any currently-visible popups
	hideCurrentPopup();
	// stop event from bubbling up any farther
	eventObj.cancelBubble = true;
	// move popup div to current cursor position
	// (add scrollTop to account for scrolling for IE)
	//var newXCoordinate = (eventObj.pageX)?eventObj.pageX + xOffset:eventObj.x + xOffset + ((document.body.scrollLeft)?document.body.scrollLeft:0);
	//var newYCoordinate = (eventObj.pageY)?eventObj.pageY + yOffset:eventObj.y + yOffset + ((document.body.scrollTop)?document.body.scrollTop:0);


	var posx;
	var posy;
	//firefox
/*	if (eventObj.pageX || eventObj.pageY) 	{
		posx = eventObj.pageX;
		posy = eventObj.pageY;

	}//explorer
	else if (eventObj.clientX || eventObj.clientY) 	{

		posx = eventObj.clientX;
		posy = eventObj.clientY;
	}*/

var theWidth, theHeight;
// Window dimensions:
if (window.innerWidth) {
theWidth=window.innerWidth;
}
else if (document.documentElement && document.documentElement.clientWidth) {
theWidth=document.documentElement.clientWidth;
}
else if (document.body) {
theWidth=document.body.clientWidth;
}
if (window.innerHeight) {
theHeight=window.innerHeight;
}
else if (document.documentElement && document.documentElement.clientHeight) {
theHeight=document.documentElement.clientHeight;
}
else if (document.body) {
theHeight=document.body.clientHeight;
}

	//alert(theWidth+'x'+theHeight);
	if (navigator.appName=='Netscape') {
		var newXCoordinate=0;
		var newYCoordinate=0;
		moveObject(targetObjectId, newXCoordinate, newYCoordinate);
	}else{
		var newXCoordinate=theWidth/4;
		var newYCoordinate=theHeight/4;
		moveObject(targetObjectId, newXCoordinate, newYCoordinate);
	}
	// and make it visible
	if( changeObjectVisibility(targetObjectId, 'visible') ) {
	    // if we successfully showed the popup
	    // store its Id on a globally-accessible object
	    window.currentlyVisiblePopup = targetObjectId;
	    return true;
	} else {
	    // we couldn't show the popup, boo hoo!
	    return false;
	}

    } else {
	// there was no event object, so we won't be able to position anything, so give up
	return false;
    }
} // showPopup

/**
 *
 * @access public
 * @return void
 **/
function show(targetObjectId, eventObj){
	return !showPopup (targetObjectId, eventObj)
}

function getMousePosition(e) {
	var posx = 0;
	var posy = 0;
	if (!e) var e = window.event;
	return e.clientX;
	if (e.pageX || e.pageY) 	{
		posx = e.pageX;
		posy = e.pageY;
	}
	else if (e.clientX || e.clientY) 	{
		posx = e.clientX + document.body.scrollLeft
			+ document.documentElement.scrollLeft;
		posy = e.clientY + document.body.scrollTop
			+ document.documentElement.scrollTop;
	}

	mPosX = posx+15;
	mPosY = posy;

	// set the position of the message window
//	msgContainer = $('ajax_result_box');
//	msgContainer.style.left = mPosX  + 'px';
//	msgContainer.style.top = mPosY  + 'px';
}


function moveObjectx(objectId, newXCoordinate, newYCoordinate) {
/* get a reference to the cross-browser style object and make sure the object exists*/
var styleObject = getStyleObject(objectId);
if(styleObject) {
styleObject.left = newXCoordinate;
styleObject.top = newYCoordinate;
return true;
} else {
/* we couldn't find the object, so we can't move it*/
return false;
}
};
function hideCurrentPopup() {
    // note: we've stored the currently-visible popup on the global object window.currentlyVisiblePopup
    if(window.currentlyVisiblePopup) {
	changeObjectVisibility(window.currentlyVisiblePopup, 'hidden');
	window.currentlyVisiblePopup = false;
    }
} // hideCurrentPopup



// ***********************
// hacks and workarounds *
// ***********************

// initialize hacks whenever the page loads
window.onload = initializeHacks;

// setup an event handler to hide popups for generic clicks on the document
document.onclick = hideCurrentPopup;

function initializeHacks() {
    // this ugly little hack resizes a blank div to make sure you can click
    // anywhere in the window for Mac MSIE 5
    if ((navigator.appVersion.indexOf('MSIE 5') != -1)
	&& (navigator.platform.indexOf('Mac') != -1)
	&& getStyleObject('blankDiv')) {
	window.onresize = explorerMacResizeFix;
    }
    resizeBlankDiv();
    // this next function creates a placeholder object for older browsers
    createFakeEventObj();
}

function createFakeEventObj() {
    // create a fake event object for older browsers to avoid errors in function call
    // when we need to pass the event object to functions
    if (!window.event) {
	window.event = false;
    }
} // createFakeEventObj

function resizeBlankDiv() {
    // resize blank placeholder div so IE 5 on mac will get all clicks in window
    if ((navigator.appVersion.indexOf('MSIE 5') != -1)
	&& (navigator.platform.indexOf('Mac') != -1)
	&& getStyleObject('blankDiv')) {
	getStyleObject('blankDiv').width = document.body.clientWidth - 20;
	getStyleObject('blankDiv').height = document.body.clientHeight - 20;
    }
}

function explorerMacResizeFix () {
    location.reload(false);
}