var bannerSizeW=0;
var bannerSizeH=0;
var bannerOuter='search_banner2';
var bannerInner='search_banner_contents';
var bannerDisabled=false;

function setBannerSize(w,h) {
	if(bannerDisabled || w==bannerSizeW && h==bannerSizeH)
		return;
	var outer=document.getElementById(bannerOuter);
	var inner=document.getElementById(bannerInner);
	if(!outer || !inner)
		return;
	inner.style.height=h+'px';
	inner.style.width=w+'px';

	bannerSizeW=w;
	bannerSizeH=h;
}

function searchBannerInit () {
	var inner=document.getElementById(bannerInner);
	var outer=document.getElementById(bannerOuter);
	if(!inner || !outer || searchBannerEmpty(inner)) {
		bannerDisabled=true;
		return false;
	}
	inner.onmouseout=function() { setBannerSize(468,60) };
	outer.style.height='60px';
	setBannerSize(468,60);
}

function searchBannerEmpty (container) {
	var tags=['IMG','IFRAME','OBJECT','EMBED','DIV','FORM'];
	for(var i=0; i<tags.length; i++)
		if(container.getElementsByTagName(tags[i]).length>0)
			return false;
	return true;
}