function checksearch(){
	if(document.search.searchtext.value==""){
		alert("ÇëÊäÈë²éѯÌõ¼þ£¡");
		document.search.searchtext.focus();
		return false;
	}
	if (document.search.searchpage.value=="1"){
		document.search.action="../product/index.asp?searchtext="+document.search.searchtext.value;
	}
	if (document.search.searchpage.value=="2"){
		document.search.action="../trade/xh.asp?searchtext="+document.search.searchtext.value;
	}
	if (document.search.searchpage.value=="3"){
		document.search.action="../trade/index.asp?searchtext="+document.search.searchtext.value;
	}
	if (document.search.searchpage.value=="4"){
		document.search.action="../trade/gy.asp?searchtext="+document.search.searchtext.value;
	}
	if (document.ssearch.searchpage.value=="5"){
		document.ssearch.action="../bkn/index.asp?searchtext="+document.ssearch.searchtext.value;
	}
	if (document.ssearch.searchpage.value=="6"){
		document.ssearch.action="../tkn/index.asp?searchtext="+document.ssearch.searchtext.value;
	}
	if (document.ssearch.searchpage.value=="7"){
		document.ssearch.action="../hy/index.asp?searchtext="+document.ssearch.searchtext.value;
	}
	if (document.ssearch.searchpage.value=="8"){
		document.ssearch.action="../soft/index.asp?searchtext="+document.ssearch.searchtext.value;
	}
	if (document.ssearch.searchpage.value=="9"){
		document.ssearch.action="../ex/index.asp?searchtext="+document.ssearch.searchtext.value;
	}
	document.search.submit();
}