function Check(){
if(event.keyCode==13) {
	document.getElementById("submit").focus();
	return; 
	}
}

function sendform(){
	
	var soutype;	
	soutype = document.f.searchtype.options[document.f.searchtype.selectedIndex].value;
	var souword = encodeURI(document.f.searchword.value);

	switch(soutype){
		case "down":
			document.f.action = "/down/search/doc?all="+souword;
			break;
		case "doc":
			document.f.action = "/search/doc?all="+souword;
			break;
		case "faq":
			document.f.action = "http://bulo.hjenglish.com/search/q?all="+souword;
			break;
		case "forum":
			document.f.action = "/search/bbs_query.asp";
			break;

	}
	document.f.submit();
}

function mouseOver(obj){

	if(obj.className == "searchbtn_on") return false;
	else obj.className = "searchbtn_hover";	
	
}

function mouseOut(obj){

	if(obj.className == "searchbtn_on") return false;
	else obj.className = "searchbtn_off";	
	
}

function showTab(tagName)
{
	searchTabGroup.className = searchTabMenu.className = searchTabQa.className =  searchTabLink.className = searchTabBlog.className = searchTabForum.className = "searchbtn_off";
	eval('searchTab'+tagName).className = "searchbtn_on";
	searchGroup.style.display = searchMenu.style.display  = searchQa.style.display = searchLink.style.display = searchBlog.style.display = searchForum.style.display = "none";
	eval('search'+tagName).style.display = "block";
	document.getElementById("souword").value = "";
	document.getElementById("soutype").value = tagName;
	
}