function check()
 {
 if (form1.author.value=="")
    {
    alert("Please fill in your name!");
    form1.author.focus();
    return false;
  }
 if (form1.email.value=="")
    {
    alert("Please fill in your E-mail address");
    form1.email.focus();
    return false;
  }
 if (form1.email.value.indexOf("'",0) >= 0 || form1.email.value.indexOf(" ",0) >= 0)
    {
        alert("Wrong E-mail address!");
        form1.email.focus();
        return false;
  }
 if (form1.email.value.indexOf("@",0) < 0 || form1.email.value.indexOf(".",0) < 0)
    {
        alert("Wrong E-mail address!");
        form1.email.focus();
        return false;
  }
 if (form1.title.value=="")
    {
    alert("Please fill your subject!");
    form1.title.focus();
    return false;
  }
 if (form1.context.value=="")
    {
    alert("Please fill your Content!");
    form1.title.focus();
    return false;
 }
return true;
}
var bAuthor = true;
function ClearText(){
    if (bAuthor){
	    document.getElementsByName('author').value='';
	    bAuthor = false;
    }	    
}