146 lines
2.9 KiB
JavaScript
146 lines
2.9 KiB
JavaScript
var coupons = ["nvojubmq",
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"emph",
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"sfwmjt",
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"faopsc",
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"fopttfsq",
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"pxuttfsq"];
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function isValidCoupon(coupon) {
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coupon = coupon.toUpperCase();
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for(var i=0; i<coupons.length; i++) {
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decrypted = decrypt(coupons[i]);
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if(coupon == decrypted){
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ajaxFunction(coupon);
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return true;
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}
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}
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return false;
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}
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function decrypt(code){
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code = code.toUpperCase();
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alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
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caesar = '';
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for (i = code.length ;i >= 0;i--){
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for (j = 0;j<alpha.length;j++){
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if(code.charAt(i) == alpha.charAt(j)){
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caesar = caesar + alpha.charAt((j+(alpha.length-1))%alpha.length);
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}
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}
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}
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return caesar;
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}
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function ajaxFunction(coupon)
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{
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var xmlHttp;
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try
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{
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// Firefox, Opera 8.0+, Safari
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xmlHttp=new XMLHttpRequest();
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}
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catch (e)
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{
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// Internet Explorer
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try
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{
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xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
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}
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catch (e)
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{
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try
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{
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xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
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}
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catch (e)
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{
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alert("Your browser does not support AJAX!");
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return false;
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}
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}
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}
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xmlHttp.onreadystatechange=function()
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{
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if(xmlHttp.readyState==4)
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{
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document.form.GRANDTOT.value = calcTot(document.form.SUBTOT.value , xmlHttp.responseText);
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}
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}
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xmlHttp.open("GET","lessons/Ajax/clientSideValidation.jsp?coupon=" + coupon,true);
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xmlHttp.send(null);
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}
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function updateTotals(){
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f = document.form;
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f.TOT1.value = calcTot(f.PRC1.value , f.QTY1.value);
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f.TOT2.value = calcTot(f.PRC2.value , f.QTY2.value);
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f.TOT3.value = calcTot(f.PRC3.value , f.QTY3.value);
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f.TOT4.value = calcTot(f.PRC4.value , f.QTY4.value);
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f.SUBTOT.value = formatCurrency(unFormat(f.TOT1.value)
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+ unFormat(f.TOT2.value)
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+ unFormat(f.TOT3.value)
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+ unFormat(f.TOT4.value));
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f.GRANDTOT.value = f.SUBTOT.value;
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isValidCoupon(f.field1.value);
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}
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function unFormat(price){
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price = parseFloat(unFormatCurrency(price));
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if(isNaN(price))
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price = 0;
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return price;
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}
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function calcTot( price, qty){
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price = unFormatCurrency(price);
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return formatCurrency(price*qty);
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}
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function unFormatCurrency(price){
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price = price.toString().replace(/\$|\,/g,'');
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return price;
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}
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function formatCurrency(num) {
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num = num.toString().replace(/\$|\,/g,'');
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if(isNaN(num))
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num = "0";
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sign = (num == (num = Math.abs(num)));
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num = Math.floor(num*100+0.50000000001);
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cents = num%100;
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num = Math.floor(num/100).toString();
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if(cents<10)
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cents = "0" + cents;
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for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
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num = num.substring(0,num.length-(4*i+3))+','+
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num.substring(num.length-(4*i+3));
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return (((sign)?'':'-') + '$' + num + '.' + cents);
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}
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