function sel_epi(obj)
{
	i = obj.epi.selectedIndex;
	if (obj.epi.options[i].value == "")
		return ;
	location = obj.epi.options[i].value;
}



	

		document.write ("<form method=\"POST\" name=\"epi_form\">");
		document.write ("<p>");
		document.write ("<select name=epi size=1 onchange=\"sel_epi(this.form)\">");
		document.write ("	<option value>Please select one of the products:</option>");
		document.write ("	<option value>----------------------------</option>");		

		for (j =  1; j <= product_num; j++)
		{
			document.write ("	<option value=\"" + producturl[j] + "\">" + productname[j] + "</option>");
		}

		document.write ("</select>");
		document.write ("</p>");
		document.write ("</form>");