// retrieves the machine information
function MachineListingBanner_PreInit(linkPath)
{
	if(!window.GetXmlDocument)
	{
		alert("Error:  The script for the machine listing banner requires Ajax.js.");
		return;
	}

	var clientCallback = function(xmlDoc) { MachineListingBanner_Init(xmlDoc.getElementsByTagName("Machine"), linkPath); }
	GetXmlDocument("/Include/MachineListingBannerJS.aspx?getmachines=true&DivisionID=0", clientCallback);
}

// machines is an xml node list returned by getElementsByTagName().
function MachineListingBanner_Init(machines, linkPath)
{
	var machinelistingbanner = document.getElementById("machinelistingbanner");
	
	machinelistingbanner.DISPLAY_INTERVAL = 5000;
	machinelistingbanner.CurrentBannerIndex = 0;
	machinelistingbanner.Machines = machines;
	machinelistingbanner.LinkPath = linkPath;
	machinelistingbanner.Image = document.getElementById("imgEquipment");
	machinelistingbanner.ProductName = document.getElementById("productname");
	machinelistingbanner.SerialNumber = document.getElementById("serialnumber");
	machinelistingbanner.Hours = document.getElementById("hours");
	machinelistingbanner.Price = document.getElementById("price");
	machinelistingbanner.ProductDescription = document.getElementById("productdescription");
	machinelistingbanner.EquipmentLink = document.getElementById("lnkEquipment");
	machinelistingbanner.EquipmentLink2 = document.getElementById("lnkEquipment2");
	machinelistingbanner.CategoryLink = document.getElementById("lnkCategory");

	machinelistingbanner.NextBanner = function()
	{
        if (this.Machines.length == 0 || this.Image == null)
            return ;
		this.CurrentBannerIndex = (this.CurrentBannerIndex + 1) % this.Machines.length;

		this.Image.src = this.GetCurrentValue("Image");
		this.Image.alt = this.GetCurrentValue("Name");
		this.ProductName.innerHTML = this.GetCurrentValue("Name");
		this.SerialNumber.innerHTML = this.GetCurrentValue("SerialNum");
		if(this.Hours) this.Hours.innerHTML = this.GetCurrentValue("Hours");
		this.Price.innerHTML = this.GetCurrentValue("Price");
		if(this.ProductDescription) this.ProductDescription.innerHTML = this.GetCurrentValue("Description");
		this.EquipmentLink.href = this.LinkPath + "EquipmentDetails.aspx?EquipmentIDs=" + this.GetCurrentValue("EquipmentID");
		this.EquipmentLink2.href = this.EquipmentLink.href;
		if(this.CategoryLink) this.CategoryLink.href = this.LinkPath + "SearchEquipment.aspx?Category=" + this.GetCurrentValue("CategoryID");
	}

	machinelistingbanner.GetCurrentValue = function(tagName)
	{
		var element = this.Machines[this.CurrentBannerIndex].getElementsByTagName(tagName)[0].firstChild;
		return element != null ? element.nodeValue : "";
	}

	machinelistingbanner.Start = function() { this.Stop(); this.IntervalID = window.setInterval("document.getElementById('machinelistingbanner').NextBanner()", this.DISPLAY_INTERVAL); }
	machinelistingbanner.Stop = function() { window.clearInterval(this.IntervalID); }
	machinelistingbanner.onmouseover = function() { this.Stop(); }
	machinelistingbanner.onmouseout = function() { this.Start(); }

	machinelistingbanner.Start();
}