var busy = false;

function rollOff(imgName) {
	imgOff=eval(imgName+"OFF.src");
	document[imgName].src= imgOff;
}

function rollOn(imgName) {
	imgOn=eval(imgName+"ON.src");
	document[imgName].src= imgOn;
}

function AddSears2ShopCart(form) {
	
	if (!(validModel(form) && validPrice(form) && gimmeDate(form))) {
		return false;
	}
	
	if (busy) {
		return false;
	}
	
	busy = true;

	return true;

}

function Add2ShopCart(form) {
	
	if (!(validModel(form) && validPrice(form) && gimmeDate(form))) {
		return false;
	}
	
	if (busy) {
		return false;
	}
	
	busy = true;
	
	// Set the attrValue (the item identity passed to the shopping cart) to the entered price range
	if (form.price.value > 0 && form.price.value <= 300) {
		form.productSku[0].checked = "checked";
	} else if (form.price.value > 300 && form.price.value <= 1000) {
		form.productSku[1].checked = "checked";
	} else if (form.price.value > 1000 && form.price.value <= 2000) {
		form.productSku[2].checked = "checked";
	} else if (form.price.value > 2000 && form.price.value <= 3000) {
		form.productSku[3].checked = "checked";
	}

	return true;

}

function validPrice(form) {

	var success = "";
	// Make sure only integers and one decimal point (.) entered in price field
	var priceLength = form.price.value;
	var periodTimes = 0;
	var test = form.price.value;
	var centPosition = form.price.value.length - 3;
	if (form.price.value == 0 || form.price.value == "") {
		alert("Please enter purchase price like xxxx.xx\nEx: 999.99 or 2500.00");
		form.price.focus();
		return false;
	}
	else {
		for (var i = 0; i < priceLength.length; i++) {
			success = false;
			if (test.charAt(i) == 0) {
				success = true;
			} else if (test.charAt(i) == 1) {
				success = true;
			} else if (test.charAt(i) == 2) {
				success = true;
			} else if (test.charAt(i) == 3) {
				success = true;
			} else if (test.charAt(i) == 4) {
				success = true;
			} else if (test.charAt(i) == 5) {
				success = true;
			} else if (test.charAt(i) == 6) {
				success = true;
			} else if (test.charAt(i) == 7) {
				success = true;
			} else if (test.charAt(i) == 8) {
				success = true;
			} else if (test.charAt(i) == 9) {
				success = true;
			} else if (test.charAt(i) == ".") {
				periodTimes += 1;
				success = true;
			}
			if (success != true) {
				alert("Please make sure your purchase price only contains numbers.");
				return false;
			}
			if (periodTimes > 1) {
				alert("Please check you that your purchase price only\nhas one period between dollars and cents.");
				return false;
			}
		}
		// Add cents to the price string if there are none or have the user finish their entry if only partialy filled like 999.2 or 999.
		if (form.price.value.indexOf(".") == -1) {
			alert("Please enter purchase price like xxxx.xx\nEx: 999.99 or 2500.00");
			return false;
		}
		else if (form.price.value.indexOf(".") != centPosition) {
			alert("Please enter purchase price like xxxx.xx\nEx: 999.99 or 2500.00");
			return false;
		}
	}
	// The purchase price cannot be more than $3000
	if(form.price.value > 3000.00) {
		alert("Sorry, the purchase price of your product is too great\nto cover with our Extended Service Plan.");
		return false;
	}
	
	return success;
}
function validModel(form) {

	// Make sure info is entered for model and serial numbers
	
	if (form.model.value != 0 || form.model.value != "") {
		return true;
	} else {
		alert("Please fill in the necessary model information.");
		form.model.focus();
		return false;
	}
}

function gimmeDate(form) {

	if (form.purchaseMonth.value == '' || form.purchaseDay.value == '' || form.purchaseYear.value == '') {
		alert("Please select your purchase date.");
		return false;
	}

	// Days used to validate that the selected date is not to old  
	// use 367, to make it valid through the end of the dayand in case it's a leap year
	var days = 367; 
	var day = 1000*60*60*24;
	var success = false;  // Only give success when 1 year or less
	
	// Selected date 
	var selMonth = form.purchaseMonth.value;
	var selDate = new Date();
	selDate.setYear(form.purchaseYear.value);
	selDate.setMonth(selMonth-1);
	selDate.setDate(form.purchaseDay.value);
	
	// Current date
	var curDate = new Date();
	var dd = curDate.getDate();
	var mm = curDate.getMonth()+1; // 0 based
	var yy = curDate.getFullYear();
	var today = mm+'/'+dd+'/'+yy;
	
	// Compare selected date with current date
	var selMillis = selDate.getTime();
	var curMillis = curDate.getTime();
	if (curMillis - selMillis < 0) {
		alert("Your purchase date must be before today. \nToday is " + today + ".");
	} else {
		// Test: < 1 year old (in milliseconds)
		if ((curMillis - selMillis) <= (day * days)) {
			success = true;
		} else {
			alert("Sorry, your product was purchased too long ago to be\ncovered by our Extended Service Plans.");
		}
	}
	return success;
}

function removeCartDetail(id) {

	if (document.shoppingCartUpdateForm.quantity[id]) {
		document.shoppingCartUpdateForm.quantity[id].value = 0;
	} else {
		document.shoppingCartUpdateForm.quantity.value = 0;
	}
	
	document.shoppingCartUpdateForm.submit();
}

function nextStep(form, action) {
	form.action = action;
	form.submit();
}

function openPopup(pageName, width, height) {

	// default values
	if(typeof(width)=='undefined')	width = 470;
	if(typeof(height)=='undefined')	height = 300;

	window.open("/UTS/popUpDisplay.do?pageName=" + pageName, null, 'status=0,toolbar=0,scrollbars=0,resizable=1,width=' + width + ',height=' + height);
}

function alertFailure(XMLHttpRequest, textStatus, errorThrown) {

	if (XMLHttpRequest.responseText != '') {
		alert(XMLHttpRequest.responseText);
	} else {
		alert("There was a problem processing your request");
	}
}

function submitAjaxForm(form, callback) {

	submitAjaxForm2(form, callback, alertFailure);

	return false;
}

function submitAjaxForm2(form, callbackSuccess, callbackFailure) {
			
	 $.ajax({
	   type: form.method,
	   url: form.action,
	   timeout: 10000,
	   data: $(form).serialize(),
	   dataType: 'text',
	   success: callbackSuccess,
	   error: callbackFailure
	 });
	return false;
}