function sortBySelectedField(sortBy, currentOrder) {
      var sortOrder = "ASC";
      if(currentOrder==sortOrder){
         sortOrder = "DESC";
      }
      document.sortReportsForm.sortOrder.value = sortOrder;
      document.sortReportsForm.sortBy.value = sortBy;
      document.sortReportsForm.sortButton.click();
}

function gotoRequestedInputPage(textField) {
   isNumber(textField);
   var pgNbr = textField.value;
   gotoPage(pgNbr);
}

function gotoPage(pgNumber) {
    if(pgNumber!="") { 
		$('pageRequested').value=pgNumber;
		$('goPageButton').click();
	} else {
		return false;
	}
}

function isNumber(field) {
	var re = /^[0-9]*$/;
	if (!re.test(field.value)) {
		alert('Please enter numbers ');
		field.value = field.value.replace (/[^0-9]/g,"");
	}
}