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  • Problem with adding and removing classes with jQuery when hovering over a list item.

    - by Andrew
    I want to add a class to a list item when I hover over it, and then remove it and add it to a different list item if a different list item is hovered over. Here's what I tried: jQuery - $(document).ready(function() { $("#results").text("Tournaments"); $("#Tournaments").addClass("box-active"); $("#box ul li").hover(function() { var show = $(this).attr('id'); $("#results").text(show); $("#box ul li").each(function() { $(this).removeClass("box-active"); }); $("#box ul li#" + show).addClass("box-active"); }); }); HTML - <div id="box"> <ul> <li id="Tournaments">Tournaments</li> <li id="Join">Join</li> <li id="Forums">Forums</li> <li id="GameBattles">GameBattles</li> <li id="Practice">Practice</li> </ul> <p>Hovering over: <span id="results"></span></p> </div> When I hover over an item, it changes the class, but if I hover over I different one it removes the class over the item I first hovered over, but doesn't add the class to the new item I'm hovering over. Not sure why, and any help would be appreciated.

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  • Drawing half of a Bezier path in Raphael

    - by Fibericon
    Let's say I have a cubic Bezier path as follows (formatted for use with the Raphael path function): M55 246S55 247 55 248 Just an example. This was taken from my drawing application, where I use the cursor to draw a line when the user holds the mouse button down, kind of like a pencil or marker. I'm using jquery's mousemove event to draw the line between two points every time the user moves the mouse. There is another (the reference point) that is taken before the line is drawn, so that the Bezier curve can be created. Here's my question: is it possible to make Raphael only draw half of a given path? I'm aware of the getSubpath() function, but if my understanding of Bezier curves is correct, it would be rather difficult to calculate the second argument. The problem with the animate function is that it creates double lines (that is, it creates the curved line that I want, and the boxy line around it which should not be shown, possibly because the mouse is being moved faster than the animation can handle). Of course, if my approach itself is flawed in some way (or my understanding of the possible solutions), I'd like to hear it. Any help would be appreciated.

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  • Scroll to anchor

    - by ZyX
    I have the following userjs which is intended to remove anchor part of the URL but still jump to it: // ==UserScript== // @name PurgeAnchor // @include * // ==/UserScript== (function() { var reg=/^(.*)\#(.*)$/; var match=reg.exec(location); function ObjectPosition(obj) { var curtop = 0; if(obj.offsetParent) while(1) { curtop += obj.offsetTop; if(!obj.offsetParent) break; obj = obj.offsetParent; } else if(obj.y) curtop += obj.y; return curtop; } if(match) { document.location.replace(match[1]); sessionStorage.setItem("anchor", match[2]); } window.addEventListener("load", (function() { var anchor=sessionStorage.getItem("anchor"); if(anchor!==null) { var obj=document.getElementById(anchor); if(obj===null) { obj=document.getElementsByName(anchor)[0]; } var pos=0; if(obj!==null) { pos=ObjectPosition(obj); window.scrollTo(0, pos); } sessionStorage.removeItem("anchor"); } }), false); })() The problem is that if I have an empty <a> tag with the name set, it fails to jump. obj.scrollIntoView() also fails. Opera-10.52_pre6306, Gentoo.

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  • Create an autocompleter like the Facebook status update

    - by Terw
    Hello I'm trying to create a div with contenteditable like the Facebook status update. Then I mean I want to show an autocomplete box when the user have written @. How would you do that. Currently I'm just playing with keypress and check if the keycode = 64. Somehow that works, but it doesn't validate if there's a space before the alfa, or if the user has unfocused the box, then focused it again. Any ideas? Or do you know about any plugin that works something like that? Tnx

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  • JS Object this.method() breaks via jQuery

    - by Peter Boughton
    I'm sure there's a simple answer to this, but it's Friday afternoon and I'm tired. :( Not sure how to explain it, so I'll just go ahead and post example code... Here is a simple object: var Bob = { Stuff : '' , init : function() { this.Stuff = arguments[0] } , doSomething : function() { console.log( this.Stuff ); } } And here it is being used: $j = jQuery.noConflict(); $j(document).ready( init ); function init() { Bob.init('hello'); Bob.doSomething(); $j('#MyButton').click( Bob.doSomething ); } Everything works, except for the last line. When jQuery calls the doSomething method it is overriding 'this' and stopping it from working. Trying to use just Stuff doesn't work either. So how do I refer to an object's own properties in a way that allows jQuery to call it, and also allows the object to work with the calling jQuery object? i.e. I would like to be able to do things like this: doSomething : function() { console.log( <CurrentObject>.Stuff + $j(<CallerElement>).attr('id') ); } (Where <CurrentObject> and <CallerElement> are replaced with appropriate names.)

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  • Java applet for Tower of Hanoi

    - by Naren
    I am planning to write a Java applet for Tower of Hanoi similar to link( http://www.mazeworks.com/hanoi/index.htm ) Can you suggest how should I start and proceed. And, btw, does it require multi threading? And also, major part of my doubt is to make a disc being clickable and being able to drag and drop the disc on a tower. detect a tower (if a disc is being dragged using mouse)

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  • Php and Jquery Validation: with Jquery Form Plugin

    - by Jacinto
    Hi, This is the first time I have attempted to make a form using jquery and php. I used the folks over at Mid Mo Design as an example but even with that tutorial am still having trouble getting it to do what I want. This is the code I have been using. As well as jquery 1.4.1 and jQuery Form Plugin 2.43. Any help would be greatly appreciated. css scrollContact { border-top: double 1px #0D0D0D; padding: 100px 50px 50px 50px; background: #020303; position: relative; overflow: hidden; width: 924px; text-align: justify; } .contactInfo { float:left; width: 214px; margin-right: 10px; margin-top: 5px; } contactForm { float: left; width: 700px; } contactForm span { float: left; margin:5px; width: 455px; } input, textarea { -moz-border-radius:5px 5px 5px 5px; border:1px solid #001932; color:#BBBBBB; font:1.1em Verdana,Geneva,sans-serif; background: #0A0A0A; } input:hover, textarea:hover { border:1px solid #0278f2; background: #242424; } contactForm span input { line-height:1.8em; width:430px; padding:11px 10px; margin: 0px 0px 10px 0px; } contactForm input { line-height:1.8em; width:200px; padding:11px 10px; margin: 5px; } contactForm textarea { height:190px; line-height:1.8em; width:430px; padding:10px; } .message { background:#eee; color:#000; display:none; padding:10px; height: 70px; position: absolute; bottom:0px; } Html Contact Navigate To: Work services about contact Get A Free Quote Thank you for your interest in contacting me. Please use the form to the right to contact me via email. I will respond to your inquiry as soon as possible. Please note all fields are required. What Next? Thank you for your interest in contacting me. Please use the form to the right to contact me via email. I will respond to your inquiry as soon as possible. Please note all fields are required. Your Message Php <?php $sendto = '[email protected]'; $subject = 'Contact from contact form'; $errormessage = 'Oops! There seems to have been a problem. May we suggest...'; $thanks = "Thanks for the email! We'll get back to you as soon as possible!"; $honeypot = "You filled in the honeypot! If you're human, try again!"; $emptyname = 'Entering your name?'; $emptyemail = 'Entering your email address?'; $emptytitle = 'Entering The Subject?'; $emptymessage = 'Entering a message?'; $alertname = 'Entering your name using only the standard alphabet?'; $alertemail = 'Entering your email in this format: [email protected]?'; $alerttitle = 'Entering the subject using only the standard alphabet?'; $alertmessage = "Making sure you aren't using any parenthesis or other escaping characters in the message? Most URLS are fine though!"; $alert = ''; $pass = 0; function clean_var($variable) { $variable = strip_tags(stripslashes(trim(rtrim($variable)))); return $variable; } if ( empty($_REQUEST['last']) ) { if ( empty($_REQUEST['contactName']) ) { $pass = 1; $alert .= "" . $emptyname . ""; } elseif ( ereg( "[][{}()*+?.\^$|]", $_REQUEST['contactName'] ) ) { $pass = 1; $alert .= "" . $alertname . ""; } if ( empty($_REQUEST['contactEmail']) ) { $pass = 1; $alert .= "" . $emptyemail . ""; } elseif ( !eregi("^[_a-z0-9-]+(.[_a-z0-9-]+)@[a-z0-9-]+(.[a-z0-9-]+)(.[a-z]{2,3})$", $_REQUEST['contactEmail']) ) { $pass = 1; $alert .= "" . $alertemail . ""; } if ( empty($_REQUEST['contactTitle']) ) { $pass = 1; $alert .= "" . $emptytitle . ""; } elseif ( ereg( "[][{}()*+?.\^$|]", $_REQUEST['contactTitle'] ) ) { $pass = 1; $alert .= "" . $alerttitle . ""; } if ( empty($_REQUEST['contactMessage']) ) { $pass = 1; $alert .= "" . $emptymessage . ""; } elseif ( ereg( "[][{}()*+?\^$|]", $_REQUEST['contactMessage'] ) ) { $pass = 1; $alert .= "" . $alertmessage . ""; } if ( $pass==1 ) { echo "$(\".message\").hide(\"slow\").show(\"slow\"); "; echo "" . $errormessage . ""; echo ""; echo $alert; echo ""; } elseif (isset($_REQUEST['message'])) { $message = "From: " . clean_var($_REQUEST['contactName']) . "\n"; $message .= "Email: " . clean_var($_REQUEST['contactEmail']) . "\n"; $message .= "Telephone: " . clean_var($_REQUEST['contactTitle']) . "\n"; $message .= "Message: \n" . clean_var($_REQUEST['contactMessage']); $header = 'From:'. clean_var($_REQUEST['contactEmail']); mail($sendto, $subject, $message, $header); echo "$(\".message\").hide(\"slow\").show(\"slow\").animate({opacity: 1.0}, 4000).hide(\"slow\"); $(':input').clearForm() "; echo $thanks; die(); } } else { echo "$(\".message\").hide(\"slow\").show(\"slow\"); "; echo $honeypot; } ?

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  • Set text based on Form <select> value

    - by danit
    I have the following <select> in a form: <select style="width: 100px; text-align: center;"> <option value="email">Email</option> <option value="telephone">Phone</option> </select> The default option is Email so the following <input> is show: <p class="email_form">Please supply your Email Address</p> <input onfocus="if(!this._haschanged){this.value=''};this._haschanged=true;" style="width: 270px" type="email" name="email" id="email" value="[email protected]"> However if they choose telephone I want to change the above to ask for a telephone number?

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  • How do I select elements based on all their content in jQuery?

    - by Kev
    I have a series of <div/>'s as follows: <div>.co.uk</div> <div>.com</div> <div>.gb.com</div> <div>.uk.com</div> <div>.net</div> How do I select just the divs containing .co.uk, .com, .net. If I use: $('div:contains(".co.uk"), div:contains(".com"), div:contains(".net")`) This causes the .gb.com and .uk.com divs to be selected as well.

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  • Configuring Google Drive API and SDK

    - by Milan Sanghani
    I'm attempting to install the DrEdit sample app for Salesforce onto GAE. The app runs, but saving or opening a file results in an HTTP 403 "Access Not Configured Error". I have also attempted to use the values for API AccessClient ID for web applications. The Google Drive SDK OAuth Client ID has also been set variously to the Drive SDK and web app Client IDs. but, After enabling both (Api, SDK) in Api access service i am still getting same error.

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  • jQuery: list appended not displaying bullets

    - by Shizhidi
    I have the following html: <!DOCTYPE html> <html> <head> <script src="http://code.jquery.com/jquery-latest.js"></script> </head> <body> <span>not so important</span> <span title="some specific text"><img src="/img/some.gif" /></span> <span title="more specific text">important 1</span> <span title="more specific text">important 2</span> <span title="more specific text">important 3</span> <span title="more specific text"><img src="/img/some.gif" /></span> <ul> <li>example 1</li> <li>example 2</li> <li>example 3</li> <ul> <script> var ul = $('body').append($('<ul>')); $("span[title*='specific text']") .contents() .filter(function(){ return $(this).nodeType != 1; }) .each(function(){ ul.append($('<li>' + $(this).text() + '</li>')); }) </script> </body> </html> I want to retrieve the text within a 'span' whose title attribute contains "specific text", in this case "important 1", "important 2" and "important 3". Then I want to list them below just like the example. However the bullets do not appear, why is that? Any hints would be appreciated!

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  • jqGrid local date manipulation; problem with row ids when deleting and adding new rows

    - by Sam
    I'm using jqGrid as a client side grid input, allowing the user to input multiple records before POSTing all the data back at once. I'm having a problem where if the user has added a few records (say 3 ) the id's for the records will be 1,2,3. if the user deletes record 2, you're left with 1 and 3 for the id of the records. When the user now adds a new records, jqGrid assigns that records the id 3 again since it just seems to count the total records and increments it by one for the new record. This causes problems when selecting rows as now the row id's are 1, 3 and 3. Does anyone know how to access the row ids of records as I could probably use the afterSubmit event and reassign the row id's increasing from 1. ( so after i delete row id 2, this will set the other row id's to 1 and 2) Any other suggestions to solve this problem? Thanks

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  • How to catch GMail auto-refresh

    - by nameanyone
    I wrote a userscript to highlight the current row in GMail (indicated by the arrow). Unfortunately the highlight will only stay until GMail Inbox is auto-refreshed, which happens quite often. Is there a way to catch that event so I could reapply the highlighting? I don't want to do it on timeout. There is another userscript that does that and it loads up CPU.

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  • image loading information with jquery

    - by Pradyut Bhattacharya
    Hi I have a page which has a img holder with the html: - <img src="someimage.jpeg" alt="image" class="show_image"/> Now i m updating the image with jquery using the code... $('.show_image').attr('src', 'anotherimage.jpeg'); Now its working fine but i want to show the users the image is being loaded and may wait as the image size may be huge... Is there any method in jquery to get the information of percent loaded(bytes read/remaining) or if the image load is complete... Also how can i place a div over the image placeholder such that the div can fade the image(opacity:0.8) and add some text over the div as loading or something thanks

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  • Adding active class in menu only works on first page

    - by rileychuggins
    I have nav links that become active once they come into the window. I need to implement this on three separate pages on my website but the following scripts only work for the first page. var services_refresh = function () { // do stuff console.log('Stopped Scrolling'); if($('#ct_scans.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#ct_scans"]').addClass('active'); } else if($('#xray.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#xray"]').addClass('active'); } else if($('#fluoroscopy.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#fluoroscopy"]').addClass('active'); } else if($('#mri.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#mri"]').addClass('active'); } else if($('#neuroimaging.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#neuroimaging"]').addClass('active'); } else if($('#nuclear_medicine.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#nuclear_medicine"]').addClass('active'); } else if($('#ultrasound.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#ultrasound"]').addClass('active'); } else if($('#mammography.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#mammography"]').addClass('active'); } else if($('#breast_ultrasound.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#breast_ultrasound"]').addClass('active'); } else if($('#breast_biopsy.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#breast_biopsy"]').addClass('active'); } else if($('#breast_mri.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#breast_mri"]').addClass('active'); } else if($('#osteoporosis.anchor').visible()) { $('#our_services_sub_sections li a').removeClass('active'); $('#our_services_sub_sections li a[href="#osteoporosis"]').addClass('active'); } }; Here is my HTML for the first page that works: <ul id="our_services_sub_sections" class="diagnostic_images"> <li><a class="scroll active" href="#ct_scans">CT Scans</a></li> <li><a class="scroll" href="#xray">X-Ray</a></li> <li><a class="scroll" href="#fluoroscopy">Fluoroscopy</a></li> <li><a class="scroll" href="#mri">MRI</a></li> <li><a class="scroll" href="#neuroimaging">Neuroimaging</a></li> <li><a class="scroll" href="#nuclear_medicine">Nuclear Medicine</a></li> <li><a class="scroll" href="#ultrasound">Ultrasound</a></li> </ul> Here is my HTML for the second page which does not work: <ul id="our_services_sub_sections" class="womens_imaging"> <li><a class="scroll active" href="#mammography">Mammography</a></li> <li><a class="scroll" href="#breast_ultrasound">Breast Ultrasound</a></li> <li><a class="scroll" href="#breast_biopsy">Breast Biopsy</a></li> <li><a class="scroll" href="#breast_mri">Breast MRI</a></li> <li><a class="scroll osteo" href="#osteoporosis">Osteoporosis<br />Evaluation (DEXA)</a></li> </ul> Why is this not working?

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  • Displaying Google Calendar event data on FullCalendar

    - by aurealus
    I am using Google Calendar as a storage engine for a calendar system I am building, however, I am using a single Google user account with multiple calendars, i.e. each user on my system has their own calendar within the one user account. I'm able to create a calendar per user just fine, but I would like to have FullCalendar retrieve the events for display purposes, without manually getting the magic cookie url from Google Calendar settings. I would like to be able to retrieve it programmatically or 'proxy' the feed via an authenticated call to get event data that I'm doing in Django. $('#calendar').fullCalendar({ events: $.fullCalendar.gcalFeed( "http://www.google.com/calendar_url/" <-- or /my/event/feed/url ) });

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  • How to display part of an image for the specific width and height?

    - by Brady Chu
    Recently I participated in a web project which has a huge large of images to handle and display on web page, we know that the width and height of images end users uploaded cannot be control easily and then they are hard to display. At first, I attempted to zoom in/out the images to rearch an appropriate presentation, and I made it, but my boss is still not satisfied with my solution, the following is my way: var autoResizeImage = function(maxWidth, maxHeight, objImg) { var img = new Image(); img.src = objImg.src; img.onload = function() { var hRatio; var wRatio; var Ratio = 1; var w = img.width; var h = img.height; wRatio = maxWidth / w; hRatio = maxHeight / h; if (maxWidth == 0 && maxHeight == 0) { Ratio = 1; } else if (maxWidth == 0) { if (hRatio < 1) { Ratio = hRatio; } } else if (maxHeight == 0) { if (wRatio < 1) { Ratio = wRatio; } } else if (wRatio < 1 || hRatio < 1) { Ratio = (wRatio <= hRatio ? wRatio : hRatio); } if (Ratio < 1) { w = w * Ratio; h = h * Ratio; } w = w <= 0 ? 250 : w; h = h <= 0 ? 370 : h; objImg.height = h; objImg.width = w; }; }; This way is only intended to limit the max width and height for the image so that every image in album still has different width and height which are still very urgly. And right at this minute, I know we can create a DIV and use the image as its background image, this way is too complicated and not direct I don't want to take. So I's wondering whether there is a better way to display images with the fixed width and height without presentation distortion? Thanks.

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  • Disabling Firefox spell checking in iframe-based text editors

    - by Piotr Sobczyk
    There is a lot of info around about how to disable spell checking in html textarea element by using spellcheck='false'. However to have text area with more advanced capabilities, one must use iframe with designMode = "on" (see e.g. this page, this is a way that RichTextArea is implemented in GWT) and I couldn't find a single post on that topic. It turns out that Firefox detects such advanced text areas and enables its spell checking in them. You can see it live by visiting this page from Firefox and entering some content to text field. If you inspect this code, you'll see no textarea tag, yet FF spell checking is still active. The only way I managed to disable it was setting designMode to off but... I need it to be on. The question is: Is there any possibility to disable spell checking in such cases, without setting designMode = "off"?

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  • Changing the color of dot depending from value on Morris js graph

    - by Michal Lipa
    Im rendering graph by morris js. Im using data from mysql database by JSON. Everything works fine, but I would like to add one more feature to the graph. (change dot color if there is something in buy action). My JSON: [{"longdate":"2014-08-20 18:20:01","price":"1620","action":"buy"},{"longdate":"2014-08-20 18:40:01","price":"1640","action":""},{"longdate":"2014-08-20 19:00:01","price":"1620","action":""}] So I would like to change dot color for values with buy action. My code for graph: $.getJSON('results.json', function(day_data) { Morris.Line({ element: 'graph', data: day_data, xkey: 'longdate', ykeys: ['price'], labels: ['Cena'], lineColors: lineColor, pointSize: 0, hoverCallback: function(index, options, content) { var date = "<b><font color='black'>Data: "+day_data[index]['longdate']+"</font></b><br>"; var param1 = "<font color='"+lineColor[0]+"'>Cena - "+day_data[index]['price']+"</font><br>"; return date+param1; }, xLabelFormat : function (x) { return changeDateFormat(x); } /*My TRIAL if(action == 'buy'){ pointSize: 4, lineColors: green, } */ }); }); So my code doesnt work, how can I make this working?

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  • Destructuring assignment in generator expressions and array comprehensions

    - by Eli Grey
    Why does for ([] in object); work fine but [void 0 for ([] in object)] or (void 0 for ([] in object)) throw a syntax error for invalid left-hand assignment? For example, I would expect the following code to work, but it doesn't (the assertion isn't even done due to the syntax error): let ( i = 0, arr = [1, 2, 3, 4], gen = (i for (i in arr) if (arr.hasOwnProperty(i)) ) { for ([] in gen) i++; console.assertEquals([void 0 for ([] in gen)].length, i); }

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  • window.href open new window?

    - by CliffC
    hi when ever i use window.location.href=//some url it always open a new window, this only happens when the parent window is an dialog box. Any idea what i did wrong? i tried using window.open("http://asdf.com", "_self"); as suggested on this thread http://stackoverflow.com/questions/1678155/window-location-href-opens-another-window but it is still not working thanks

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  • Mobile safari - suppress Unsupported Protocol alert

    - by Juriy
    Hello guys, I'm creating a website for iPhone and i use the native app (cliqcliq Quickpick) to upload photos. I use the script like the following to check if the application is installed. The basic idea is to send user to a custom url, if application is there it is launched, if it is not there the url should be ignored and user is taken to App Store. Below is the script: window.launchQuickpic = function() { var start = new Date(); setTimeout(function() { if (new Date() - start > 2000) { return; } window.location = 'http://www.cliqcliq.com/quickpic/install/'; }, 1000); var getParams = [...]; window.location = 'vquickpic://?' + getParams.join('&'); }; If the native app is not installed I'm getting the alert box saying that Safari does not recognize the custom url. After user clicks "ok" it works as it is supposed to. But the alert is reeealy annoying. I've tried to surround the window.location= code with try/catch. Didn't help.

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