function srchbckswap() {
	document.yhdr_form.ygsp.style.backgroundImage = "url(http://au.i1.yimg.com/au.yimg.com/i/uh/y7/hdr_srch_bck_1_3.gif)";
}
function srchbckswap2() {
	if (document.yhdr_form.ygsp.value.length<=0) {
		document.yhdr_form.ygsp.style.backgroundImage = "url(http://us.i1.yimg.com/us.yimg.com/i/br/misc/hdr_cade_bck_2.gif)";
	}
}