function chkMaskINTEGER(field,event){var keyCode=(_dom==1||_dom==2?window.event.keyCode:event.which);var key=String.fromCharCode(keyCode);var isKey=(String('-0123456789/').indexOf(key)!=-1);var isAction=(String('0,8,13').indexOf(keyCode)!=-1||event.ctrlKey);var ss=getEditCaretPos(field);var se=getSelectionEnd(field);var len=field.value.length;var spos=field.value.indexOf('-');if(key=='-')return((spos==0&&ss<=spos&&se>spos)||(spos==-1&&(ss==0||len==0)));else if(isKey)return(se>ss||ss>spos);return(isAction);}function chkINTEGER(field){var regExp=/^(\+|\-)?[0-9]+$/;var integerValue=parseInt(field.value);if(!regExp.test(field.value)){return false;}else if(field.value.length==0||integerValue==0){return true;}else if(integerValue){return true;}else{return false;}}