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gistfile1.js
JavaScript
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$.fn.preloader = function(options){
var defaults = {
delay:200,
preload_parent:"a",
check_timer:300,
ondone:function(){ },
oneachload:function(image){ },
fadein:500
};
var options = $.extend(defaults, options),
root = $(this) , images = root.find("img").css({"visibility":"hidden",opacity:0}) , timer , counter = 0, i=0 , checkFlag = [] , delaySum = options.delay ,
init = function(){
timer = setInterval(function(){
if(counter>=checkFlag.length)
{
clearInterval(timer);
options.ondone();
return;
}
for(i=0;i<images.length;i++)
{
if(images[i].complete==true)
{
if(checkFlag[i]==false)
{
checkFlag[i] = true;
options.oneachload(images[i]);
counter++;
delaySum = delaySum + options.delay;
}
$(images[i]).css("visibility","visible").delay(delaySum).animate({opacity:1},options.fadein,
function(){ $(this).parent().removeClass("preloader"); });
}
}
},options.check_timer)
};
images.each(function(){
if($(this).parent(options.preload_parent).length==0)
$(this).wrap("<a class='preloader' />");
else
$(this).parent().addClass("preloader");
checkFlag[i++] = false;
});
images = $.makeArray(images);
 
var icon = $("<img />",{
id : 'loadingicon' ,
src : '../images/89.gif'
}).hide().appendTo("body");
timer = setInterval(function(){
if(icon[0].complete==true)
{
clearInterval(timer);
init();
icon.remove();
return;
}
},100);
}

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