$("tab-yamaha").onmouseover=$("tab-suzuki").onmouseover=$("tab-honda").onmouseover=function()
{
	this.style.backgroundPosition="-19px"
}
$("tab-yamaha").onmouseout=$("tab-suzuki").onmouseout=$("tab-honda").onmouseout=function()
{
	this.style.backgroundPosition="0px"
}