// 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.
//
// ************************
// layer utility routines *
// ************************

var IE = document.all?true:false;
if (!IE) document.captureEvents(Event.MOUSEMOVE);
if(IE){
    window.onload = function(){
        if(document.getElementById('pop_opened'))
        document.getElementById('pop_opened').value = 'false';
    }
}

document.onmousemove = getMouseXY;
document.onclick = getMouseXY;
// Temporary variables to hold mouse x-y pos.s
var tempX = 0
var tempY = 0

// Main function to retrieve mouse x-y pos.s

var scrOfX = 0, scrOfY = 0;
function getScrollXY() {
  
  if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape compliant
    scrOfY = window.pageYOffset;
    scrOfX = window.pageXOffset;
  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM compliant
    scrOfY = document.body.scrollTop;
    scrOfX = document.body.scrollLeft;
  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;
    scrOfX = document.documentElement.scrollLeft;
  }
}

function getMouseXY(e) {
  getScrollXY();  
  if (IE) { // grab the x-y pos.s if browser is IE
    tempX = event.clientX + scrOfX
    tempY = event.clientY + scrOfY
  } else {  // grab the x-y pos.s if browser is NS
    tempX = e.pageX
    tempY = e.pageY
  }  
  // catch possible negative values in NS4
  if (tempX < 0){tempX = 0}
  if (tempY < 0){tempY = 0}  
  // show the position values in the form named Show
  // in the text fields named MouseX and MouseY
  //alert(tempX+','+tempY);
  return true
}


function getStyleObject(objectId) {
    // cross-browser function to get an object's style object given its id
    if(document.getElementById && document.getElementById(objectId)) {
	// W3C DOM
	return document.getElementById(objectId).style;
    } else if (document.all && document.all(objectId)) {
	// MSIE 4 DOM
	return document.all(objectId).style;
    } else if (document.layers && document.layers[objectId]) {
	// NN 4 DOM.. note: this won't find nested layers
	return document.layers[objectId];
    } else {
	return false;
    }
} // getStyleObject

function getElementObject(objectId) {
    // cross-browser function to get an object's style object given its id
    if(document.getElementById && document.getElementById(objectId)) {
	// W3C DOM
	return document.getElementById(objectId);
    } else if (document.all && document.all(objectId)) {
	// MSIE 4 DOM
	return document.all(objectId);
    } else if (document.layers && document.layers[objectId]) {
	// NN 4 DOM.. note: this won't find nested layers
	return document.layers[objectId];
    } else {
	return false;
    }
} // getElementObject

function changeObjectVisibility(objectId, newVisibility) {
    // get a reference to the cross-browser style object and make sure the object exists
    var styleObject = getStyleObject(objectId);
    if(styleObject) {
	if (newVisibility == 'visible')
	{
		//test margins
	    //if(tempX + 350 > document.body.clientWidth) tempX = tempX-350;
	    //if(tempY + 60 > document.body.clientHeight) tempY = tempY-60;
		styleObject.left = tempX+'px';
		styleObject.top = tempY+'px';
	}
	styleObject.visibility = newVisibility;
	return true;
    } else {
	// we couldn't find the object, so we can't change its visibility
	return false;
    }
} // changeObjectVisibility

function moveObject(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 very well move it
	return false;
    }
} // moveObject

// ********************************
// application-specific functions *
// ********************************

function showMenu(menuNumber, eventObj) {
    hideAllMenus();
    var menuId = 'menu' + menuNumber;
    if(changeObjectVisibility(menuId, 'visible')) {
    eventObj.cancelBubble = true;
    return true;
    } else {
    return false;
    }
}

var numMenus = 7;

function hideAllMenus() {
    for(counter = 0; counter <= numMenus; counter++) {
    changeObjectVisibility('menu' + counter, 'hidden');
    }
}

document.onclick = hideAllMenus;


function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}