function searchs(txt){
var keyword=document.getElementById("keyword").value;
	if (keyword!=""){
		document.getElementById("search").submit();
		return true;
		}else{
			alert(txt);
			return false;
			}
	}
function focus_inp(){
	var keyword=document.getElementById("keyword");
	if (keyword.value=="ÇëÊäÈë¹Ø¼ü×Ö..."){
		keyword.value="";
		}else{
		keyword.select();	
			}
	}