function checkbbsdata()
{	
if (document.myform.H_subject.value=="")
	{
	  alert("Please enter the title!");
	  document.myform.H_subject.focus();
	  return false
	 }
if (document.myform.H_content.value.length < 5 || document.myform.H_content.value.length > 500)
	{
	  alert("Content's length must between 5-500 byte,please!");
	  document.myform.H_content.focus();
	  return false
	 }
}

function change(a,b)
{
	if(eval(a).style.display=='')
	{
		eval(a).style.display='none';
		eval(b).className='menu1';
	}
	else
	{
		eval(a).style.display='';
		eval(b).className='menu2';
	}
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}