var xmlHttp

function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
  	{
		xmlHttp=new XMLHttpRequest();
  	}
	catch (e)
	{
		try
		{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}

function validateProducts()
{
	var errormsg;
	errormsg = "";

	if (document.Products.make.value == "" && document.Products.model.value == "" && document.Products.partname.value == "")
		errormsg += "Please select at least one option.\n";

	if ((errormsg == null) || (errormsg == ""))
	{
		document.forms.Products.action = "productcat.asp";
		document.forms.Products.submit();
	}

	else
	{
		alert(errormsg);
		return false;
	}
}

function validateLogin()
{
	var errormsg;
	errormsg = "";

	if (document.Login.Username.value == "")
		errormsg += "Please fill in 'Username'.\n";
		
	if (document.Login.Password.value == "")
		errormsg += "Please fill in 'Password'.\n";

	if ((errormsg == null) || (errormsg == ""))
	{
		return true;
	}

	else
	{
		alert(errormsg);
		return false;
	}
}

function validateLoginBox()
{
	var errormsg;
	errormsg = "";

	if (document.LoginBox.Username.value == "")
		errormsg += "Please fill in 'Username'.\n";
		
	if (document.LoginBox.Password.value == "")
		errormsg += "Please fill in 'Password'.\n";

	if ((errormsg == null) || (errormsg == ""))
	{
		return true;
	}

	else
	{
		alert(errormsg);
		return false;
	}
}

function changeFeaturedImage(picimage) 
{
	document['FeaturedBigPic'].src = picimage;
}