// JavaScript Document
function WithoutContent(ss) {
if(ss.length > 0) { return false; }
return true;
}

function NoneWithContent(ss) {
for(var i = 0; i < ss.length; i++) {
	if(ss[i].value.length > 0) { return false; }
	}
return true;
}

function NoneWithCheck(ss) {
for(var i = 0; i < ss.length; i++) {
	if(ss[i].checked) { return false; }
	}
return true;
}

function WithoutCheck(ss) {
if(ss.checked) { return false; }
return true;
}

function WithoutSelectionValue(ss) {
for(var i = 0; i < ss.length; i++) {
	if(ss[i].selected) {
		if(ss[i].value.length) { return false; }
		}
	}
return true;
}

function confirmDelete(){
	if(confirm('Are you sure you want to delete this entry?')){
		return true;
	} else return false;
}
function onlyNumbers(field){
	var checkOK = "0123456789.";
	var checkStr = field;
	var allValid = true;
	for (i = 0;  i < checkStr.length;  i++){
		ch = checkStr.charAt(i);
		for (j = 0;  j < checkOK.length;  j++){
			if (ch == checkOK.charAt(j)){
				break;
			}
			if(j == (checkOK.length-1) && ch != checkOK.charAt(j)){
				allValid = false;
			}
		}
		if(!allValid){
			break;
		}
	}
	return allValid;
}

function checkUncheckAll(theForm,theElement) {
 for(z=0; z<theForm.length;z++){
  if(theForm[z].type == 'checkbox'){
  theForm[z].checked = theElement.checked;
  }
 }
}