$.namespace("SF");SF.QuantityChanger=function(field,options){var options=options||{};var increaseButton=options.increaseButton||null;var decreaseButton=options.decreaseButton||null;var onIncrement=options.onIncrement||null;var onDecrement=options.onDecrement||null;var isFloat=options.isFloat||false;var range=options.range||{lowerLimit:0,upperLimit:null};if(range.upperLimit===null){range.upperLimit=999;};$(increaseButton).bind("click",incrementClick);$(decreaseButton).bind("click",decrementClick);function decrementClick(){if(typeof range.lowerLimit==="number"&&field.value<=range.lowerLimit)return false;if(typeof onDecrement==="function"){onDecrement();};var value=getValue();value--;if(value<range.lowerLimit){value=range.lowerLimit;}
field.value=formattedValue(value);return false;};function incrementClick(){if(typeof range.upperLimit==="number"&&field.value>=range.upperLimit)return false;if(typeof onIncrement==="function"){onIncrement();};var value=getValue();value++;if(value>range.upperLimit){value=range.upperLimit;}
field.value=formattedValue(value);return false;};function getValue(){var value=getUnformattedValue(field.value);value=(isFloat)?parseFloat(value):parseInt(value);if(isNaN(value))value=0;return value;};function formattedValue(num){if(String(num).indexOf(".")==-1){num=num+".00";}
var parts=String(num).replace(/[^\.0-9]/g,'').split('.');if(String(parts[1]).length==1){parts[1]=parts[1]+"0";}else if(String(parts[1]).length>2){var temp="0."+parts[1];parts[1]=Math.round((temp*100));}
var dec=(String(parts[1]).length==1)?".0"+parts[1]:"."+parts[1];if(isFloat){num=formatNumber(parts[0])+dec;}else{num=formatNumber(parts[0]);}
return num;}
function formatNumber(num){num=String(num);if(num.length<=3){return num;}else{var last3nums=num.substring(num.length-3,num.length);var remindingPart=num.substring(0,num.length-3);return formatNumber(remindingPart)+','+last3nums;}}
function getUnformattedValue(num){num=String(num).replace(/[^\.0-9]/g,'');return num;}};