function ReplaceAll(strOrg,strFind,strReplace){
	var index = 0;
	while(strOrg.indexOf(strFind,index) != -1){
		strOrg = strOrg.replace(strFind,strReplace);
		index = strOrg.indexOf(strFind,index);
	}
	return strOrg;
}

function gotoSearch(){
	if(!document.searchbox.name.value){
		alert("Please enter keyword.");
		document.searchbox.name.focus();
		return false;
	}else{
		path="/search.php";
		document.searchbox.action=path;
		document.searchbox.submit();
	}
}