function logincheck()
{
	var objname = document.getElementById( "loginname" );		
	var objpsw = document.getElementById( "password" );	
			
	if ( objname.value == "" )		
	{
		alert("对不起，您没有输入用户名");
		objname.focus();
		return false;					
	}	
				
	if ( objpsw.value == "" )		
	{
		alert("对不起，您没有输入密码");
		objpsw.focus();
		return false;					
	}	
		
	return true;																
}