function checkvalue(value){if (value.length > 0){return true;}return false;}function checkdateformat(inputObj){    var strOut;        if (inputObj.value.length == 0){        return false;    }    var reg0 = /(0[1-9]|[12][0-9]|3[01]|[1-9])([- \/.])(0[1-9]|1[012]|[1-9])([- \/.])(19|20\d\d)/;    var reg1 = /(0[1-9]|[12][0-9]|3[01]|[1-9])([- \/.])(0[1-9]|1[012]|[1-9])([- \/.])(\d\d)/;       var ar0 = reg0.exec(inputObj.value);    var ar1 = reg1.exec(inputObj.value);       if( (ar0 && ar0[0] == inputObj.value ) || (ar1 && ar1[0] == inputObj.value  ) ){       if(ar0 && ar0[0] == inputObj.value ){          if (ar0[1].length==1){ar0[1] = "0"+ar0[1];}          if (ar0[3].length==1){ar0[3] = "0"+ar0[3];}          //if (ar0[5].length==2){ar0[5] = "20"+ar0[5];}          strOut = ar0[1]+"-"+ar0[3]+"-"+ar0[5] ;                    inputObj.value = strOut;          return true;       }       if(ar1 && ar1[0] == inputObj.value){                    if (ar1[1].length==1){ar1[1] = "0"+ar1[1];}          if (ar1[3].length==1){ar1[3] = "0"+ar1[3];}          if (ar1[5].length==2){ar1[5] = "20"+ar1[5];}          strOut = ar1[1]+"-"+ar1[3]+"-"+ar1[5] ;                   inputObj.value = strOut;          return true;       }    }    else if (inputObj.value == ''){        //Do nothing        return true;    }    else{    return false;    }       }