function mouseOver()
{
	document.getElementById("n1").src = "./?a=90521"
}

function mouseOut()
{
	document.getElementById("n1").src = "./?a=90522"
}

function mouseOver2()
{
	document.getElementById("n2").src = "./?a=90515"
}

function mouseOut2()
{
	document.getElementById("n2").src = "./?a=90516"
}

function mouseOver3()
{
	document.getElementById("n3").src = "./?a=90513"
}

function mouseOut3()
{
	document.getElementById("n3").src = "./?a=90514"
}

function mouseOver4()
{
	document.getElementById("n4").src="./?a=90525"
}

function mouseOut4()
{
	document.getElementById("n4").src="./?a=90512"
}