if ( document.images )
{
  eg_on = new Image ( );
  eg_off = new Image ( );

  eg_on.src = "/images/home_on.jpg";
  eg_off.src = "/images/home_off.jpg";

  news_on = new Image ( );
  news_off = new Image ( );

  news_on.src = "/images/news_on.jpg";
  news_off.src = "/images/news_off.jpg";

  features_on = new Image ( );
  features_off = new Image ( );

  features_on.src = "/images/features_on.jpg";
  features_off.src = "/images/features_off.jpg";

  products_on = new Image ( );
  products_off = new Image ( );

  products_on.src = "/images/products_on.jpg";
  products_off.src = "/images/products_off.jpg";

  directory_on = new Image ( );
  directory_off = new Image ( );

  directory_on.src = "/images/directory_on.jpg";
  directory_off.src = "/images/directory_off.jpg";

  classifieds_on = new Image ( );
  classifieds_off = new Image ( );

  classifieds_on.src = "/images/classifieds_on.jpg";
  classifieds_off.src = "/images/classifieds_off.jpg";

  specials_on = new Image ( );
  specials_off = new Image ( );

  specials_on.src = "/images/specials_on.jpg";
  specials_off.src = "/images/specials_off.jpg";
  
  newsletters_on = new Image ( );
  newsletters_off = new Image ( );

  newsletters_on.src = "/images/newsletters_on.jpg";
  newsletters_off.src = "/images/newsletters_off.jpg";
  

}

function button_on ( imgId )
{
  if ( document.images )
  {
    butOn = eval ( imgId + "_on.src" );
    document.getElementById(imgId).src = butOn;
  }
}

function button_off ( imgId )
{
  if ( document.images )
  {
    butOff = eval ( imgId + "_off.src" );
    document.getElementById(imgId).src = butOff;
  }
}

/*Function for new window pop up*/

function popitup(url,pName) {
		newwindow=window.open(url,'GetFarming','height=400,width=600,status=1,scrollbars=1');
	if (window.focus) {newwindow.focus()}
	return false;
}

function popitupBig(url,pName) {
		newwindow=window.open(url,'GetFarming','height=700,width=800,status=1,scrollbars=1');
	if (window.focus) {newwindow.focus()}
	return false;
}
/*unsubscribe validation*/
function checkFormUnsubscribe(){
	var formElements = document.forms.regClass.elements;
	isValid=true;
	msgStr="";
	
	if(formElements[1].value==""){
		msgStr+="Please enter your  first name\n";
		isValid=false;
	}
	if(formElements[2].value==""){
		msgStr+="Please enter in your email address\n";
		isValid=false;
	}
	if(formElements[6].checked==false && formElements[7].checked==false && formElements[8].checked==false){
		msgStr+="You must unsubscribe from at least one service\n";
		isValid=false;
	}
	
	if(msgStr !="")
		alert(msgStr);

	if(isValid==true){
		document.forms.regClass.action="unsubscribe_db.php";
		document.forms.regClass.method="POST";
		document.forms.regClass.submit();
	}
	else{
		return isValid;
	}
}