function checkTextfieldOfNr(obj){if(isNaN(obj.value)){obj.value = ""; return false;} return true;}
function notepad(){this.nrEntries = 0;}
notepad.prototype.mouseOver = function(){if(notepad.nrEntries > 0){jQuery('#notepadList').css('display','block');jQuery('#notepadListEnd').css('display','block');}}
notepad.prototype.mouseOut = function(){if(notepad.nrEntries > 0){jQuery('#notepadList').css('display','none');jQuery('#notepadListEnd').css('display','none');}}
var notepad = new notepad();