function checkLoginForm(a){errorMessage="";if($("#username").val()==""){errorMessage="    - You must enter a username.\n";$("#usernameBlock").css("color","#f00")}else{$("#usernameBlock").css("color","#000")}if($("#password").val()==""){errorMessage+="    - You must enter a password.\n";$("#passwordBlock").css("color","#f00")}else{$("#passwordBlock").css("color","#000")}if(errorMessage!=""){alert("Form Error:\n"+errorMessage);$("#username").focus();return false}return true};