//登录名 start
function doUsername()
		{		
			$("txtUsername").className = "focus";			
			return true;
		}
function doLeaveUsername()
		{
			if(doUsername())
			{
				
				}
			$("txtUsername").className = "tips";
		}			
//登录名 end

//密码 start
function doPassword()
		{		
			$("txtPassword").className = "focus";			
			return true;
		}
function doLeavePassword()
{
	if(doPassword())
	{
		
	}
	$("txtPassword").className = "tips";
}			
//密码 end

function doCheckTopLogin(thisform)
		{	
			var txtUsername = $("txtUsername").value.trim();
			if(txtUsername.length<=0)
			{
				alert("请输入用户名！");
					$("txtUsername").focus();
					return false;
			}	
			
			var txtPassword = $("txtPassword").value.trim();
			if(txtPassword.length<=0)
			{
				alert("请输入密码！");
					$("txtPassword").focus();
					return false;
			}	
			return true;
		}