document.write('<script type="text/javascript" src="' + (isBackend?'../':'') + 'lib/js/icpictures/icpictures.js"></script>');

function add2Cart(inputName, msg, msgInt)
{
	if (isEmpty($(inputName).value))
	{
		alert(msg);
		return false;				
	} 
	
	if (!isInteger($(inputName).value))
	{
		alert(msgInt);
		return false
	}
	return true;
}

function checkIsValidAmount(clientid, msgInt)
{
	if(isInteger($(clientid).value)&&!isEmpty($(clientid).value))
	{		
		return true;
	}
	else
	{
		alert(msgInt);
		return false;
	}
}

function isInteger (s)
{
   var i;

   if (isEmpty(s))
   if (isInteger.arguments.length == 1) return 0;
   else return (isInteger.arguments[1] == true);

   for (i = 0; i < s.length; i++)
   {
      var c = s.charAt(i);

      if (!isDigit(c)) return false;
   }

   return true;
}

function isEmpty(s)
{
   return ((s == null) || (s.length == 0))
}

function isDigit (c)
{
   return ((c >= "0") && (c <= "9"))
}

function popup(url, winWidth, winHeight, sb) 
{
	winTop = (screen.height - winHeight) / 2;
	winLeft = (screen.width - winWidth) / 2;
	window.open(url,"","width=" + winWidth + ",height=" + winHeight + ",top=" + winTop  + ",left=" + winLeft  + ",resizable=no,scrollbars=" + sb + ",toolbar=no");
}