//Image Swap Functions for Header portion of page
//Used to toggle image when mouseover and mouseout to 
//give the highlight effect on the links in the header
//and present the image for that link

function SwapHeaderLogo(over)
{
	var relpath = document.images.HeaderLogo.src
	relpath = relpath.substring(0, relpath.lastIndexOf("/"))
	
	if (over)
	{
		relpath = relpath+"/header_logo_over.jpg"				
	}
	else
	{
		relpath = relpath+"/header_logo_notover.jpg"
	}
	document.images.HeaderLogo.src=relpath 
}

function SwapAbout(over)
{
	var relpath = document.images.About.src
	relpath = relpath.substring(0, relpath.lastIndexOf("/"))
	
	if (over)
	{
		relpath = relpath+"/aboutus_over.jpg"		
	}
	else
	{
		relpath = relpath+"/aboutus_notover.jpg"		
	}
	document.images.About.src=relpath
}

function SwapNews(over)
{
	var relpath = document.images.News.src
	relpath = relpath.substring(0, relpath.lastIndexOf("/"))

	if (over)
	{
		relpath = relpath+"/news_over.jpg"
	}
	else
	{
		relpath = relpath+"/news_notover.jpg"
	}
	document.images.News.src=relpath
}

function SwapProducts(over)
{
	var relpath = document.images.Products.src
	relpath = relpath.substring(0, relpath.lastIndexOf("/"))

	if (over)
	{
		relpath = relpath+"/products_over.jpg"
	}
	else
	{
		relpath = relpath+"/products_notover.jpg"
	}
	document.images.Products.src=relpath
}

function SwapServices(over)
{
	var relpath = document.images.Services.src
	relpath = relpath.substring(0, relpath.lastIndexOf("/"))

	if (over)
	{
		relpath = relpath+"/services_over.jpg"
	}
	else
	{
		relpath = relpath+"/services_notover.jpg"
	}
	document.images.Services.src=relpath
}

function SwapCareers(over)
{	
	var relpath = document.images.Careers.src
	relpath = relpath.substring(0, relpath.lastIndexOf("/"))

	if (over)
	{
		relpath = relpath+"/careers_over.jpg"
	}
	else
	{
		relpath = relpath+"/careers_notover.jpg"
	}
	document.images.Careers.src=relpath
}

function SwapContact(over)
{
	var relpath = document.images.Contact.src
	relpath = relpath.substring(0, relpath.lastIndexOf("/"))

	if (over)
	{
		relpath = relpath+"/contact_over.jpg"
	}
	else
	{
		relpath = relpath+"/contact_notover.jpg"
	}
	document.images.Contact.src=relpath
}