var url = new Array();
var img = new Array();
var alt = new Array();

function getBanner()
{

	fname = document.URL;
	sp = fname.split('/');

	fname = "";
	if (sp.length > 4)
	{
		for(i=3;i<sp.length-1;i++)
		{
			fname = fname + "/" + sp[i];
		}
		fname = fname + "/";
	}

	if (fname == "")
	{
		fname = etcid;
	}

	if (url[fname] == null)
	{
		fname = etcid;
	}

	//urlŒˆ’è
	p = Math.round(Math.random() * (url[fname].length - 1));	

	html = '<a href="' + url[fname][p] + '"><img border=0 src="' + img[fname][p] + '" alt="' + alt[fname][p] + '" class="globalNavigationBannerAuto" /></a>';
	return html;
}