/*
 * BS: 2005.11
 * 
 * If you're updating link/picture pairs, you'll need to update this file
 * and random_ad.php to change the initial item.  Add a triplet to the end
 * of the variables here:
 * 	     Picture
 * 	     Caption
 * 	     HrefLinks
 * with the proper variable.  If you have no link, you still need to add
 * a value in HrefLinks, just make it an empty string.    
 */
// Popup Window Funtion
var win= null;
function NewWindow(mypage,myname,w,h,scroll){
  var winl = (screen.width-w)/2;
  var wint = (screen.height-h)/2;
  var settings  ='height='+h+',';
      settings +='width='+w+',';
      settings +='top='+wint+',';
      settings +='left='+winl+',';
      settings +='scrollbars='+scroll+',';
      settings +='resizable=yes';
  win=window.open(mypage,myname,settings);
  if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}


// (C) 2002 www.CodeLifter.com
// http://www.codelifter.com
// Free for all users, but leave in this header.

/* BS -> Added this for JS random sorting of an array */
function randomOrderFunc(a, b){ 
	return (Math.round(Math.random())-0.5); 
}

// ==============================
// Set the following variables...
// ==============================

// Set the slideshow speed (in milliseconds)
var SlideShowSpeed = 15000;

// Set the duration of crossfade (in seconds)
var CrossFadeDuration = 3;

var Picture   = new Array(); // don't change this
var Caption   = new Array(); // don't change this
var HrefLinks = new Array(); // don't change this
var Order     = new Array(); // don't change this

// Specify the image files...
// To add more images, just continue
// the pattern, adding to the array below.
// To use fewer images, remove lines
// starting at the end of the Picture array.
// Caution: The number of Pictures *must*
// equal the number of Captions!
Picture[0]  = './images/ad/alp-ad.gif'; 
Picture[1]  = './images/ad/allied-ad.gif';
//Picture[2]  = './images/ad/bcs-ad.gif';
Picture[2]  = './images/ad/conexbuff2.gif';
Picture[3]  = './images/ad/ConSolAd.gif';
Picture[4]  = './images/ad/GoMac.gif';
Picture[5]  = './images/ad/kelley-ad.gif';
Picture[6]  = './images/ad/lvbw_banner.gif';
Picture[7] = './images/ad/mollenberg-ad.gif';
Picture[8] = './images/ad/oneida_banner.gif'; 
Picture[9] = './images/ad/cir_banner.gif'; 
Picture[10] = './images/ad/rain_rent.gif'; 
Picture[11] = './images/ad/danforth.gif'; 
Picture[12] = './images/ad/tf_ad.gif'; 
Picture[13] = './images/ad/cfma_banner.jpg'; 
Picture[14] = './images/ad/despirt_banner.gif';
Picture[15] = './images/ad/mader_banner.gif';
Picture[16] = './images/ad/admar.gif'; 
Picture[17] = './images/ad/ingalls_banner.gif'; 
Picture[18] = './images/ad/first_niagara.gif';
Picture[19] = './images/ad/ps_banner.gif';
Picture[20] = './images/ad/united2.gif';
Picture[21] = './images/ad/bnr-upstate-rebar.png';
Picture[22] = './images/ad/bnr-buffalo-plastering.gif';

// Specify the Captions...
// To add more captions, just continue
// the pattern, adding to the array below.
// To use fewer captions, remove lines
// starting at the end of the Caption array.
// Caution: The number of Captions *must*
// equal the number of Pictures!
Caption[0]  = "";
Caption[1]  = "";
Caption[2]  = "";
Caption[3]  = "";
Caption[4]  = "";
Caption[5]  = "";
Caption[6]  = "";
Caption[7]  = "";
Caption[8]  = "";
Caption[9]  = "";
Caption[10] = "";
Caption[11] = "";
Caption[12] = "";
Caption[13] = "";
Caption[14] = "";
Caption[15] = "";
Caption[16] = "";
Caption[17] = "";
Caption[18] = "";
Caption[19] = "";
Caption[20] = "";
Caption[21] = "";
Caption[22] = "";

// Specify the Links...
// To add more links, just continue
// the pattern, adding to the array below.
// To use fewer links, remove lines
// starting at the end of the links array.
/*
 * Caution: The number of Captions *must*
 * equal the number of Pictures and Captions!
 * but if you leave any link as an empty-string,
 * it will remove the href so that there is no link.
 */  
HrefLinks[0]  = "http://www.alpsteel.com/";
HrefLinks[1]  = "http://www.alliedmechanical.us/";
HrefLinks[2]  = "http://www.bcsco.com/index_flash.asp";
HrefLinks[3]  = "http://www.conexbuff.com/join_construction_exchange.php";
HrefLinks[4]  = "http://www.constructive-solutions.com/";
HrefLinks[5]  = "http://www.goergenmackwirth.com/";
HrefLinks[6]  = "http://www.rekelley.com/";
HrefLinks[7]  = "http://www.lvbwcpa.com/";
HrefLinks[8] = "http://www.mollenbergbetz.com/";
HrefLinks[9] = "http://www.oneidagroup.com";
HrefLinks[10] = "http://www.cirelectric.com/";
HrefLinks[11] = "http://rainforrent.com/";
HrefLinks[12] = "";
HrefLinks[13] = "http://thermalfoams.com/";
HrefLinks[14] = "http://www.cfma.org/Niag/index.html";
HrefLinks[15] = "http://despirt.com/";
HrefLinks[16] = "http://www.maderconstruct.com/";
HrefLinks[17] = "http://www.admarsupply.com/";
HrefLinks[18] = "http://ingallssite.com/";
HrefLinks[19] = "http://www.fnfg.com/";
HrefLinks[20] = "http://www.pattersonstevens.com/";
HrefLinks[21] = "http://www.unitedlabequip.com/";
HrefLinks[22] = "http://www.upstaterebar.com/";
HrefLinks[23] = "http://www.buffaloplastering.com/";

/* BS:2005.11 To randomly order the images. */
for(var i=0; i<Picture.length; i++){ Order[i] = i; }
Order.sort( randomOrderFunc );

/* BS:2005.11 actually do the order */
var aNewCaps = Array();
var aNewImgs = Array();
var aNewLnks = Array();
for(var i=0; i<Order.length; i++){
	aNewImgs[i] = Picture[Order[i]];
	aNewCaps[i] = Caption[Order[i]];
	aNewLnks[i] = HrefLinks[Order[i]];
}
/* BS Set the variables again */
Picture   = aNewImgs;
Caption   = aNewCaps;
HrefLinks = aNewLnks;

// =====================================
// Do not edit anything below this line!
// =====================================
/* BS 11/2005: i did anyway! */

var tss;
var iss;
var jss = 0;
var pss = Picture.length-1;

var preLoad = new Array();
for (iss = 0; iss < pss; iss++){
	preLoad[iss] = new Image();
	preLoad[iss].src = Picture[iss];
}

function runSlideShow(){
	if (document.all){ /* if this is IE */
		document.images.PictureBox.style.filter="blendTrans(duration=2)";
		document.images.PictureBox.style.filter="blendTrans(duration=CrossFadeDuration)";
		document.images.PictureBox.filters.blendTrans.Apply();
	}
	if(!preLoad[jss]) { alert(jss+':'+preLoad.length); }

	document.images.PictureBox.src = preLoad[jss].src;
	if (document.getElementById) document.getElementById("CaptionBox").innerHTML = Caption[jss];
	if (document.all) document.images.PictureBox.filters.blendTrans.Play();
	
	var heLink = document.links.LinkBox;
	if(!heLink && document.getElementById){
		heLink = document.getElementById('LinkBox');
	}

	/* BS: all of this block is mine, all the dom modelling, 2005.11 */
	if( document.createElement && document.appendChild && document.insertBefore && document.removeChild ){
		/* After making sure the browser supports the items we need... */
		if(!heLink && HrefLinks[jss]!=""){
			/*
			 * If the link doesn't exist, but this image has a link associated,
			 * we need to create a link where the image (PictureBox) currently
			 * is, and put PictureBox inside of it.			 			 
			 */			 
			var hePBox   = document.getElementById('PictureBox');
			var heParent = hePBox.parentNode;
			
			/* Create the link */
			var heLink    = document.createElement('a');
			heLink.id     = 'LinkBox';
			heLink.name   = 'LinkBox';
			heLink.target = '_blank';
			heLink.href   = HrefLinks[jss];
			
			/* Insert the link, and move PictureBox into it. */
			heParent.insertBefore( heLink, hePBox );
			heLink.appendChild(hePBox);
		} else if(!heLink && HrefLinks[jss]=="") {
			/* 
			 * We don't need to do anything here,
			 * the link element isn't there, and 
			 * it doesn't need to be there.
			 */			 			 			 
		} else if(heLink && HrefLinks[jss]!="") {
			/*
			 * The link exists, and the picture has a link associated,
			 * so we just set the href.
			 */			 			 
			heLink.href = HrefLinks[jss];
		} else { 
			/*
			 * heLink && HrefLinks[jss]==""
			 * 
			 * The link is there but the picture has no link associated 
			 * with it.  We need to take PictureBox out of the link,
			 * and remove the link entirely, otherwise the concept of
			 * afforded clickability exists.			 
			 */
			var hePBox   = document.getElementById('PictureBox');
			var heLink   = document.getElementById('LinkBox');
			var heParent = heLink.parentNode;
			
			/*
			 * Move the PictureBox to just outside of the link, 
			 * and kill the link element
			 */
			heParent.insertBefore(hePBox, heLink);
			heParent.removeChild(heLink);
		}
	} else {
		/*
		 * If we can't do it the fancy DOM way, then we just replace
		 * the href, with an empty anchor if no link is associated,
		 * but with the associated link if it *does* exist.		 		 
		 */		 
		heLink.href = (HrefLinks[jss]!="") ?HrefLinks[jss] :'#';
	}

	/* get the next one */
	jss = jss + 1;
	if (jss >= (pss)){
		jss=0;	
	} 
	tss = setTimeout('runSlideShow()', SlideShowSpeed);
}