Check if a file exits

Same domain only, ya know.

JavaScript

// same domain only

function fileExists( url ) {
    oHttp = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLHTTP");
    oHttp.open("HEAD", url, false);
    oHttp.send();
    return ( oHttp.status == 404 ) ? false : true;
}


if(fileExists("http://fiddle.jshell.net/img/logo.png")){
alert("fgdgh");
}else {
alert("hgdjfhjhf");
}