function captionImg(imgOn) {
		if (document.images) {
			this.imgOn = new Image(596,16);
            this.imgOn.src = "./images/hdr_tabbar_Aus" + imgOn + "_bottom.gif";
        }
}

function turnOn(what,page) {
	if (document.images) {
		document.caption.src=pop[what].imgOn.src;
	}
}

function turnOff(what,page) {
	if (document.images) {
		//document.caption.src=pop.merchant.imgOn.src;
		document.caption.src=pop[page].imgOn.src;
	}
}

pop = new Array();
pop.personal  		= new captionImg("personal");
pop.merchant  		= new captionImg("merchant");
pop.corporation  	= new captionImg("corporation");