/**
Author: Eric Lee
Last updated: Oct 2007
**/

function randomizer(min,max){
   return (Math.round(Math.random()*(max-min)))+min;
}

function randomPromo2()
{
	var randPage = randomizer(1,4)
	switch (randPage)
	{
	case 1:
		document.write("<img src=\"/images/200710_crt.jpg\" width=\"434\" height=\"160\" alt=\"\" border=\"0\" name=\"promopic\" />");
		break;
	case 2:
		document.write("<img src=\"/images/200710_antivirus.jpg\" width=\"434\" height=\"160\" alt=\"\" border=\"0\" name=\"promopic\" />");
		break;
	case 3:
		document.write("<img src=\"/images/200710_astro.jpg\" width=\"434\" height=\"160\" alt=\"\" border=\"0\" name=\"promopic\" />");
		break;
	case 4:
		document.write("<img src=\"/images/200706_xmas.jpg\" width=\"434\" height=\"160\" alt=\"\" border=\"0\" name=\"promopic\" />");
		break;
	default:
		document.write("<img src=\"/images/200710_crt.jpg\" width=\"434\" height=\"160\" alt=\"\" border=\"0\" name=\"promopic\" />");
		break;
	}
}

function randomPromo()
{
	var randPage = randomizer(1,6)
	switch (randPage)
	{
	case 1:
		document.write("<img src=\"/images/200706_pe3119.jpg\" width=\"563\" height=\"245\" alt=\"\" border=\"0\" name=\"promopic\" />");
		break;
	case 2:
		document.write("<img src=\"/images/200706_pe220.jpg\" width=\"563\" height=\"245\" alt=\"\" border=\"0\" name=\"promopic\" />");
		break;
	case 3:
		document.write("<img src=\"/images/200706_203a.jpg\" width=\"563\" height=\"245\" alt=\"\" border=\"0\" name=\"promopic\" />");
		break;
	case 4:
		document.write("<img src=\"/images/200706_c525a.jpg\" width=\"563\" height=\"245\" alt=\"\" border=\"0\" name=\"promopic\" />");
		break;
	case 5:
		document.write("<img src=\"/images/200706_emptwd3.jpg\" width=\"563\" height=\"245\" alt=\"\" border=\"0\" name=\"promopic\" />");
		break;
	case 6:
		document.write("<img src=\"/images/200706_emps4.jpg\" width=\"563\" height=\"245\" alt=\"\" border=\"0\" name=\"promopic\" />");
		break;
	case 7:
		document.write("<img src=\"/images/200706_cx4700.jpg\" width=\"563\" height=\"245\" alt=\"\" border=\"0\" name=\"promopic\" />");
		break;
	case 8:
		document.write("<img src=\"/images/200706_cx4100.jpg\" width=\"563\" height=\"245\" alt=\"\" border=\"0\" name=\"promopic\" />");
		break;
	default:
		document.write("<img src=\"/images/200706_pe3119.jpg\" width=\"563\" height=\"245\" alt=\"\" border=\"0\" name=\"promopic\" />");
		break;
	}
}

function preload(){
	if (document.images){
		//navigation images
		company_on = new Image; company_on.src = "/images/topnav_company_on.gif"
		company_off = new Image; company_off.src = "/images/topnav_company_off.gif"
		services_on = new Image; services_on.src = "/images/topnav_services_on.gif"
		services_off = new Image; services_off.src = "/images/topnav_services_off.gif"
		branches_on = new Image; branches_on.src = "/images/topnav_branches_on.gif"
		branches_off = new Image; branches_off.src = "/images/topnav_branches_off.gif"
		principals_on = new Image; principals_on.src = "/images/topnav_principals_on.gif"
		principals_off = new Image; principals_off.src = "/images/topnav_principals_off.gif"
		press_on = new Image; press_on.src = "/images/topnav_press_on.gif"
		press_off = new Image; press_off.src = "/images/topnav_press_off.gif"
		financing_on = new Image; financing_on.src = "/images/topnav_financing_on.gif"
		financing_off = new Image; financing_off.src = "/images/topnav_financing_off.gif"

		promopic_emps4 = new Image; promopic_emps4.src = "/images/200706_emps4.jpg"
		promopic_emptwd3 = new Image; promopic_emptwd3.src = "/images/200706_emptwd3.jpg"
		promopic_c525a = new Image; promopic_c525a.src = "/images/200706_c525a.jpg"
		promopic_203a = new Image; promopic_203a.src = "/images/200706_203a.jpg"
		promopic_pe220 = new Image; promopic_pe220.src = "/images/200706_pe220.jpg"
		promopic_pe3119 = new Image; promopic_pe3119.src = "/images/200706_pe3119.jpg"
		promopic_cx4700 = new Image; promopic_cx4700.src = "/images/200706_cx4700.jpg"
		promopic_cx4100 = new Image; promopic_cx4100.src = "/images/200706_cx4100.jpg"
		
		promopic_crt = new Image; promopic_crt.src = "/images/200710_crt.jpg"
		promopic_antivirus = new Image; promopic_antivirus.src = "/images/200710_antivirus.jpg"
		promopic_astro = new Image; promopic_astro.src = "/images/200710_astro.jpg"
		promopic_xmas = new Image; promopic_xmas.src = "/images/200710_xmas.jpg"
	}
}

function imgOn(imgName){ 
	if (document.images){ 
		document[imgName].src = eval(imgName + "_on.src");
    }
} 

function imgOff(imgName){ 
	if (document.images){ 
		document[imgName].src = eval(imgName + "_off.src");
	}
}

function switchPromo(promoName){ 
	if (document.images){ 
		document["promopic"].src = eval("promopic_" + promoName + ".src");
	}
}

function makeArray() {
     for (i = 0; i<makeArray.arguments.length; i++)
          this[i + 1] = makeArray.arguments[i];
}

function remoteWindow(url,winname,parameters){
	var remoteWin;
	var splitArray = parameters.split(',');
	var h;
	var w;
	
	for (var i=0; i<splitArray.length; i++){
		eval('str' + (i+1) + '="' + splitArray[i] + '"');
	}

	w = str1.slice(6);
	h = str2.slice(7);
	leftpos = (screen.width) ? (screen.width-w)/2 : 0;
	toppos = (screen.height) ? (screen.height-h)/2 : 0;
	remoteWin = window.open(url,winname,parameters+',top='+toppos+',left='+leftpos);
	remoteWin.focus();
}

/////////////////////////////////////////////////////////// KewlBox
// If you would like to use a loading image, point to it in the next line, otherwise leave as-is.
var loadingImage = '/images/loading.gif';		

//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.org
//
function getPageScroll(){
	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}

//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.org
//
function getPageSize(){
	var xScroll, yScroll;

	if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}

//
// pause(numberMillis)
// Pauses code execution for specified time. Uses busy code, not good.
// Code from http://www.faqts.com/knowledge_base/view.phtml/aid/1602
//
function pause(numberMillis) {
	var now = new Date();
	var exitTime = now.getTime() + numberMillis;
	while (true) {
		now = new Date();
		if (now.getTime() > exitTime)
			return;
	}
}

//
// showLightbox()
// Preloads images. Pleaces new image in lightbox then centers and displays.
//
function showLightbox(objLink)
{
	// prep objects
	var objOverlay = document.getElementById('overlay');
	var objLightbox = document.getElementById('lightbox');
	var objImage = document.getElementById('lightboxImage');
	var objLoadingImage = document.getElementById('loadingImage');
	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// center loadingImage if it exists
	if (objLoadingImage) {
		objLoadingImage.style.top = (arrayPageScroll[1] + ((arrayPageSize[3] - 35 - objLoadingImage.height) / 2) + 'px');
		objLoadingImage.style.left = (((arrayPageSize[0] - 40 - objLoadingImage.width) / 2) + 'px');
	}

	// set height of Overlay to take up whole page and show
	objOverlay.style.height = (arrayPageSize[1] + 'px');
	objOverlay.style.display = 'block';

	// preload image
	imgPreload = new Image();

	imgPreload.onload=function(){
		objImage.src = objLink.href;

		// center lightbox
		objLightbox.style.top = (arrayPageScroll[1] + ((arrayPageSize[3] - 35 - imgPreload.height) / 2) + 'px');
		objLightbox.style.left = (((arrayPageSize[0] - 40 - imgPreload.width) / 2) + 'px');

		// A small pause between the image loading and displaying is required with IE,
		// this prevents the previous image displaying for a short burst causing flicker.
		if (navigator.appVersion.indexOf("MSIE")!=-1){
			pause(250);
		} 

		objLightbox.style.display = 'block';

		return false;
	}
	imgPreload.src = objLink.href;
}

//
// hideLightbox()
//
function hideLightbox()
{
	// get objects
	objOverlay = document.getElementById('overlay');
	objLightbox = document.getElementById('lightbox');

	// hide lightbox and overlay
	objOverlay.style.display = 'none';
	objLightbox.style.display = 'none';
}

//
// initLightbox()
// Function runs on window load, going through link tags looking for rel="lightbox".
// These links receive onclick events that enable the lightbox display for their targets.
// The function also inserts html markup at the top of the page which will be used as a
// container for the overlay pattern and the inline image.
//
function initLightbox()
{
	if (!document.getElementsByTagName){ return; }
	var anchors = document.getElementsByTagName("a");

	// loop through all anchor tags
	for (var i=0; i<anchors.length; i++){
		var anchor = anchors[i];

		if (anchor.getAttribute("href") && (anchor.getAttribute("rel") == "lightbox")){
			anchor.onclick = function () {showLightbox(this); return false;}
		}
	}

	// the rest of this code inserts html at the top of the page that looks like this:
	//
	// <div id="overlay"><a href="#" onclick="hideLightbox(); return false;"><img id="loadingImage" /></a></div>
	// <div id="lightbox">
	//		<a href="#" onclick="hideLightbox(); return false;"><img /></a>
	// </div>
	
	var objBody = document.getElementsByTagName("body").item(0);
	
	// create overlay div and hardcode some functional styles (aesthetic styles are in CSS file)
	var objOverlay = document.createElement("div");
	objOverlay.setAttribute('id','overlay');
	objOverlay.style.display = 'none';
	objOverlay.style.position = 'absolute';
	objOverlay.style.top = '0';
	objOverlay.style.left = '0';
	objOverlay.style.zIndex = '90';
 	objOverlay.style.width = '100%';
	objBody.insertBefore(objOverlay, objBody.firstChild);
	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// preload and create loader image
	var imgPreloader = new Image();
	
	// if loader image found, create link to hide lightbox and create loadingimage
	imgPreloader.onload=function(){

		var objLoadingImageLink = document.createElement("a");
		objLoadingImageLink.setAttribute('href','#');
		objLoadingImageLink.onclick = function () {hideLightbox(); return false;}
		objOverlay.appendChild(objLoadingImageLink);
		
		var objLoadingImage = document.createElement("img");
		objLoadingImage.src = loadingImage;
		objLoadingImage.setAttribute('id','loadingImage');
		objLoadingImage.style.position = 'absolute';
		objLoadingImage.style.zIndex = '150';
		objLoadingImageLink.appendChild(objLoadingImage);

		imgPreloader.onload=function(){};	//	clear onLoad, as IE will flip out w/animated gifs

		return false;
	}

	imgPreloader.src = loadingImage;

	// create lightbox div, same note about styles as above
	var objLightbox = document.createElement("div");
	objLightbox.setAttribute('id','lightbox');
	objLightbox.style.display = 'none';
	objLightbox.style.position = 'absolute';
	objLightbox.style.zIndex = '100';	
	objBody.insertBefore(objLightbox, objOverlay.nextSibling);
	
	// create link
	var objLink = document.createElement("a");
	objLink.setAttribute('href','#');
	objLink.onclick = function () {hideLightbox(); return false;}
	objLightbox.appendChild(objLink);
	
	// create image
	var objImage = document.createElement("img");
	objImage.setAttribute('id','lightboxImage');
	objLink.appendChild(objImage);
}

//
// addLoadEvent()
// Adds event to window.onload without overwriting currently assigned onload functions.
// Function found at Simon Willison's weblog - http://simon.incutio.com/
//
function addLoadEvent(func)
{	
	var oldonload = window.onload;
	if (typeof window.onload != 'function'){
    	window.onload = func;
	} else {
		window.onload = function(){
		oldonload();
		func();
		}
	}

}

addLoadEvent(initLightbox);	// run initLightbox onLoad
/////////////////////////////////////////////////////////// End KewlBox

document.write('<link rel=\"stylesheet\" type=\"text/css\" href=\"/resources/style.css\" />');

preload();