var isNav = navigator.appName == "Netscape";

function popup(url)
{
	var xPos, yPos;
	var height = "280";
	var width = "445";
	
	if(isNav)
	{
		xPos = window.screenX + 60;
		yPos = window.screenY + 140;
	}
	else
	{	
		xPos = window.screenLeft + 60;
		yPos = window.screenTop;
	}

	popupSizePos(url, xPos, yPos, height, width);
}

function popupSize(url, height, width)
{
	var xPos, yPos;
	
	if(isNav)
	{
		xPos = window.screenX + 60;
		yPos = window.screenY + 140;
	}
	else
	{	
		xPos = window.screenLeft + 60;
		yPos = window.screenTop;
	}

	popupSizePos(url, xPos, yPos, height, width);
}

function popupSizePos(url, xPos, yPos, height, width)
{
	window.open(url, "termsandconditions", "toolbar=no,directories=no,alwaysRaised=yes,dependent=yes,location=no,menubar=no,resizable=yes,scrollbars=yes,screenX="+xPos+",screenY="+yPos+",height="+height+",width="+width+",left="+xPos+",top="+yPos);
} /*SW 9dec09 edited to make popup resizeable */

function popupNormal(url)
{
	var xPos = 50;
	var yPos = 50;
	var height = screen.availHeight - yPos - 200;
	var width = screen.availWidth - xPos - 50;;
	popupSizePosNormal(url, xPos, yPos, height, width);
}

function popupSizePosNormal(url, xPos, yPos, height, width)
{
	window.open(url, "termsandconditions", "toolbar=yes,location=yes,menubar=yes,resizable=yes,scrollbars=yes,links=yes,status=yes,ScreenX="+xPos+",screenY="+yPos+",height="+height+",width="+width+",left="+xPos+",top="+yPos);
}

function popupMe()
{
	var xPos, yPos;
	var height = "280";
	var width = "450";
	
	if(isNav)
	{
		xPos = opener.window.screenX + 60;
		yPos = opener.window.screenY + 140;
	}
	else
	{	
		xPos = opener.window.screenLeft + 60;
		yPos = opener.window.screenTop;
	}

	popupSizeAndPositionMe(xPos, yPos, height, width);
}

function popupSizeMe(height, width)
{
	var xPos, yPos;
	
	if(isNav)
	{
		xPos = opener.window.screenX + 60;
		yPos = opener.window.screenY + 140;
	}
	else
	{	
		xPos = opener.window.screenLeft + 60;
		yPos = opener.window.screenTop;
	}

	popupSizeAndPositionMe(xPos, yPos, height, width);
}

function popupSizeAndPositionMe(xPos, yPos, height, width)
{
	window.moveTo(xPos, yPos);
	window.resizeTo(width, height);
	if (isNav)
	{	
		window.locationbar.visible = false;
		window.menubar.visible = false;
		window.personalbar.visible = false;
		window.statusbar.visible = false;
		window.toolbar.visible = false;
	}
}
<!-- ++CR_11477 -->
function fnConfirmOptOut(obj)
{
  if(obj.checked)
  {
   if(confirm("Important Notice\n\nIf you tick this box, we will not be able to send you certain information on offers and promotions, such as bonus points coupons with your Points Update or information on other bonus points offers, prize draws or special rewards.\n\nIf you DO wish to receive, through Nectar, information on offers and promotions (including special points offers) from Nectar or participating companies as set out in our Policy on Privacy and Data Protection, please click ‘OK’. Otherwise, please click ‘Cancel’."))
   {
    obj.checked=false;
    return true;
   }
   else
   {    

     return false;
   }
  }
 }
 <!-- --CR_11477 -->