// JavaScript Document
function selectMenu(id){
	var display;
	display=document.getElementById("small"+id).style.display;
	if(display=="none"){
			display="block";
	}
		else{
			display="none";
	}	
		document.getElementById("small"+id).style.display=display;
		//window.alert(j);
}
function checkSerach(){
	if (document.sform.key.value.length==0){
		alert('please input the keyWord!');
		document.sform.key.focus();
		return false;
		}
	return true;	
	}