Image1= new Image(0,0)
Image1.src = "homechart1a.gif"
Image2 = new Image(0,0)
Image2.src = "homechart1b.gif"

function SwapOuta() {
document.a.src = Image2.src; return true;
}

function SwapBacka() {
document.a.src = Image1.src; return true;
}

Image3= new Image(0,0)
Image3.src = "homechart2a.gif"
Image4 = new Image(0,0)
Image4.src = "homechart2b.gif"

function SwapOutb() {
document.b.src = Image4.src; return true;
}

function SwapBackb() {
document.b.src = Image3.src; return true;
}

Image5= new Image(0,0)
Image5.src = "homechart3a.gif"
Image6 = new Image(0,0)
Image6.src = "homechart3b.gif"

function SwapOutc() {
document.c.src = Image6.src; return true;
}

function SwapBackc() {
document.c.src = Image5.src; return true;
}