var path = "/file/";

function appearObject_1()
{
	Effect.Appear('bg_header_1', {duration: 3.0});
}

function fadeObject_1()
{
	Effect.Fade('bg_header_1', { duration: 3.0 });	
}

function appearObject_2()
{
	Effect.Appear('bg_header_2', {duration: 3.0});
}

function fadeObject_2()
{
	Effect.Fade('bg_header_2', { duration: 3.0 });	
}

function setHeaderFooterFP()
{
	setHeaderFooter("fp", 9);
}

function setHeaderFooterSP()
{
	setHeaderFooter("sp", 5);
}


function setHeaderFooter(page, count)
{
	var file_number = Math.floor(Math.random( ) * (count + 1));
	if(file_number == 0)
	{
		file_number = 1;
	}
	if(page == "fp")
	{
		document.getElementById("bg_header_1").setAttribute("style", "background-image: url("+ path + file_number + "head.jpg" + "); opacity: 0;");
		//setTimeout(appearObject_1, 2500);
		Effect.Appear('bg_header_1', {duration: 3.0});
		file_number = Math.floor(Math.random( ) * (count + 1));
		if(file_number == 0)
		{
			file_number = 1;
		}
		document.getElementById("header").setAttribute("style", "background-image: url("+ path + file_number + "head.jpg" + ")");
		setTimeout(fadeObject_1, 2500);
		document.getElementById("footer").style.backgroundImage = "url(" + path + file_number + "footer.jpg)";
	}
	if(page == "sp")
	{
		document.getElementById("sp_header").style.backgroundImage = "url(" + path + file_number + "header_1.jpg)";
		document.getElementById("footer").style.backgroundImage = "url(" + path + file_number + "footer_1.jpg)";
	}
}

//Event.observe(document, "dom:loaded", setInterval(setHeaderFooter("fp", 9), 7000));