var newWindow;

function fLinks(x) { //popping up a new window... and re-using/bring to front if already active
	if (!newWindow || newWindow.closed) {
			newWindow = window.open(x,"subwind");
		} else {
		//window is already open, so bring it to the front
			newWindow.location.href = x;
			newWindow.focus();
		}
}

function showHide(numOfItems,myID) {
	var noOfStories = numOfItems; //number of stories
	
	for (i=0; i<noOfStories; i++) { //reset all items
		document.getElementById('ans'+i).style.display = "none";
	}

	document.getElementById('ans'+myID).style.display = "block"; //show selected item

}

function showHide2(numOfItems,myID) {
	var noOfStories = numOfItems; //number of stories
	
	for (i=0; i<noOfStories; i++) { //reset all items
		document.getElementById('ans'+i).style.display = "none";
		document.getElementById('h'+i).className = "";
	}

	document.getElementById('ans'+myID).style.display = "block"; //show selected item
	document.getElementById('h'+myID).className = "hilit";

}
	
	
	


function fCustomLinks(URL,w,h,doscroll,domenubar) { //popping up a new window... and re-using/bring to front if already active

	if (newWindow) {
		newWindow.close();
	}
	
	newWindow = window.open(URL, 'popwin', 'toolbar=0,scrollbars=' + doscroll + ',location=0,statusbar=0,menubar=' + domenubar + ',resizable=0,width=' + w + ',height=' + h);
	newWindow.focus();
}


function customPopup(URL,w,h) {
	window.open(URL, 'popwin', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=' + w + ',height=' + h);
}

function roll(imageName,imageSrc) {	//used for image rollovers
	document.images[imageName].src = imageSrc.src
}

function leaveGSK(url) { //promoting the landing page text
	if (confirm("You are now leaving GSK's PLUS website and moving to a website that is not controlled by GlaxoSmithKline.\nGlaxoSmithKline does not endorse or recommend this website, the information it contains or any products or services that it may offer.\nPlease check the terms and conditions of any website that you link to.")) {
		window.location = url;
	}
}

function leaveSite(url) { //promoting the landing page text
	if (confirm("Your are now leaving GSK's PLUS website.\nPlease check the terms and conditions of any other GSK website that you link to.")) {
		window.location = url;
	}
}




//COOKIES
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 eraseCookie(name) {
	createCookie(name,"",-1);
}

function createRequestObject() {
	
	// use this way:
  //FORM_DATA = createRequestObject();
  // Retrieve information with 'FORM_DATA [ key ] = value'.
  
  
  FORM_DATA = new Object();
    // The Object ("Array") where our data will be stored.
  separator = ',';
    // The token used to separate data from multi-select inputs
  query = '' + this.location;
  qu = query
    // Get the current URL so we can parse out the data.
    // Adding a null-string '' forces an implicit type cast
    // from property to string, for NS2 compatibility.
  query = query.substring((query.indexOf('?')) + 1);
    // Keep everything after the question mark '?'.
  if (query.length < 1) { return false; }  // Perhaps we got some bad data?
  keypairs = new Object();
  numKP = 1;
    // Local vars used to store and keep track of name/value pairs
    // as we parse them back into a usable form.
  while (query.indexOf('&') > -1) {
    keypairs[numKP] = query.substring(0,query.indexOf('&'));
    query = query.substring((query.indexOf('&')) + 1);
    numKP++;
      // Split the query string at each '&', storing the left-hand side
      // of the split in a new keypairs[] holder, and chopping the query
      // so that it gets the value of the right-hand string.
  }
  keypairs[numKP] = query;
    // Store what's left in the query string as the final keypairs[] data.<
  for (i in keypairs) {
    keyName = keypairs[i].substring(0,keypairs[i].indexOf('='));
      // Left of '=' is name.
    keyValue = keypairs[i].substring((keypairs[i].indexOf('=')) + 1);
      // Right of '=' is value.
    while (keyValue.indexOf('+') > -1) {
      keyValue = keyValue.substring(0,keyValue.indexOf('+')) + ' ' + keyValue.substring(keyValue.indexOf('+') + 1);
        // Replace each '+' in data string with a space.
    }
    keyValue = unescape(keyValue);
      // Unescape non-alphanumerics
    if (FORM_DATA[keyName]) {
      FORM_DATA[keyName] = FORM_DATA[keyName] + separator + keyValue;
        // Object already exists, it is probably a multi-select input,
        // and we need to generate a separator-delimited string
        // by appending to what we already have stored.
    } else {
      FORM_DATA[keyName] = keyValue;
        // Normal case: name gets value.
    }
  }
  return FORM_DATA;
}