// JavaScript Document

 function formatCurrency(num) {
															num = num.toString().replace(/\$|\,/g, '');
															if (isNaN(num)) num = "0";
															sign = (num == (num = Math.abs(num)));
															num = Math.floor(num * 100 + 0.50000000001);
															cents = num % 100;
															num = Math.floor(num / 100).toString();
															if (cents < 10) cents = "0" + cents;
															for (var i = 0; i < Math.floor((num.length - (1 + i)) / 3); i++)
															num = num.substring(0, num.length - (4 * i + 3)) + ',' + num.substring(num.length - (4 * i + 3));
															return (((sign) ? '' : '-') + num + '.' + cents);
															}
function validateCoupon() {
			 
			
			 var rawdoor = document.getElementById("rawdoorcost").value;
			 var b = document.getElementById("multiprice2").value;
			 var c = parseFloat(0.05).toFixed(2);
			 var result = Math.ceil(parseInt(rawdoor) * c) ;
			 var finalresult = parseInt(b) - result ; 
			 
			 var bs = document.getElementById("novalsimple").value;
			 var cs = parseFloat(0.05).toFixed(2);
			 var secondresult = Math.ceil(parseInt(rawdoor) * cs) ;
			 var finalsecondresult = parseInt(bs) - secondresult ; 
			 
			 var doorseries = document.getElementById("doormodel").value;
			 
			 
			 if (document.getElementById("couponcode").value == "5offgold" &&
			     doorseries.indexOf("Gold") != -1
			 	)
			 					{
									window.alert("Thank you, Coupon Code Accepted!")
									document.getElementById("discountbox").style.visibility = 'visible';
									document.getElementById('ostias').value = 'Si';
									document.getElementById('descuentos').value = "<p class='checkout-font'><span class='checkout-font-highlight'>Discount:</span> Gold 5% Off</p>";
									
									
									document.getElementById("total3").value = formatCurrency(finalresult);
									document.getElementById("noval").value = finalresult;
									document.getElementById("novalsimple").value = finalsecondresult;
								
							
									
									
								}
				 if (document.getElementById("couponcode").value != "5offgold")		
									{
										document.getElementById("discountbox").style.visibility = 'hidden';
										window.alert("Sorry, The Coupon Code you entered is invalid. Please check and try again!")
										document.getElementById('ostias').value = 'No';
										document.getElementById('descuentos').value = "<p class='checkout-font'><span class='checkout-font-highlight'>Discount:</span> None</p>";
									}
							 if (document.getElementById("couponcode").value == "5offgold" &&
				    			 doorseries.indexOf("Gold") == -1
								 )		
									{
										document.getElementById("discountbox").style.visibility = 'hidden';
										window.alert("Sorry, The Coupon you have entered is only valid with the Gold Garage Door Model")
										document.getElementById('ostias').value = 'No';
										document.getElementById('descuentos').value = "<p class='checkout-font'><span class='checkout-font-highlight'>Discount:</span> None</p>";
									}		
	}