//
// Change image on mouse over.
//

function turnOn(imageName) {
  if (document.images) {
    document[imageName].src = eval(imageName + "_on.src");
  }
}

function turnOff(imageName) {
  if (document.images) {
    document[imageName].src = eval(imageName + "_off.src");
  }
}

function changeStyle(pstrId, pstrStyle){
	document.getElementById(pstrId).className = pstrStyle;
}	

function isCookiesEnabled () {  
  var pdatNow = new Date();
  var pstrCookie = "LBOTestCookie=" + pdatNow;
  var pstrRetrievedCookie = "";

  document.cookie = pstrCookie;
  pstrRetrievedCookie = document.cookie;

  if (pstrRetrievedCookie == null) {
    return false;
  }

  if (pstrRetrievedCookie == "") {
    return false;
  }

  if (pstrRetrievedCookie.indexOf(pstrCookie) > -1) {     
    return true;
  }

  return false;
}	



function showItem(pstrId){
	document.getElementById(pstrId).style.display = '';
}	

function hideItem(pstrId){
	document.getElementById(pstrId).style.display = 'none';
}	

function setItem(pstrId, pstrNewValue){
	document.getElementById(pstrId).innerHTML = pstrNewValue;		
}


function getFormGroup(name) {
	return document.getElementsByName(name);
}

function getRadio(name) 
{elements = getFormGroup(name);
if (elements)
/* loop over all the radio buttons */
	for (i = 0; i < elements.length; i++)
	if (elements[i].checked)
		return elements[i];
	
		/* either no group by that name was foundor none were selected */
		return null;	
}

function getRadioValue(name) {
	element = getRadio(name);
	
	if (element)
		return element.value;
	
	/* there must not have been a radio buttonselected */
	return '';
	
	}
	
function setFocus(){
 var flag=false;
 for(z=0;z<document.forms.length;z++){
  var form = document.forms[z];
  var elements = form.elements;
  for (var i=0;i<elements.length;i++){
    var element = elements[i];
    if(element.type == 'text' &&
      !element.readOnly &&
      !element.disabled){ 
      element.focus();
	  flag=true;
     break;
    }
  }
  if(flag)break;
 }
}



function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function removeCookie(name) {
	createCookie(name,"",-1);
}