function tosearch()
{
	if (document.headfrm.headkey.value=="")
	{
	 alert("请输入您要查询的关键字");
	 document.headfrm.key.focus();
	 return false;
	}
	if (document.headfrm.sort.value==1)
	{
	
		document.headfrm.action="/supermarket/searchware.asp?key="+document.all.headkey.value;
		document.headfrm.submit();
	}
	if (document.headfrm.sort.value==2)
	{
	
		document.headfrm.action="/supermarket/showdealer.asp?key="+document.all.headkey.value;
		document.headfrm.submit();
	}
	if (document.headfrm.sort.value==3)
	{
	
		document.headfrm.action="/bbs/searchbbslist.asp?key="+document.all.headkey.value;
		document.headfrm.submit();
	}
	if (document.headfrm.sort.value==4)
	{
	
		document.headfrm.action="/service/smsservice.asp?key="+document.all.headkey.value;
		document.headfrm.submit();
	}
	if (document.headfrm.sort.value==5)
	{
	
		document.headfrm.action="/info/showclass.asp?act=search&keyword="+document.all.headkey.value;
		document.headfrm.submit();
	}
	if (document.headfrm.sort.value!=1 && document.headfrm.sort.value!=2 && document.headfrm.sort.value!=3 && document.headfrm.sort.value!=4 && document.headfrm.sort.value!=5)
	{
		document.headfrm.action="/supermarket/searchware.asp?key="+document.all.headkey.value;
		document.headfrm.submit();
	}
}