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//dimScreen()
//by Brandon Goldman
jQuery.extend({
//dims the screen
dimScreen: function(speed, opacity, callback) {
if(jQuery('#__dimScreen').size() > 0) return;
if(typeof speed == 'function') {
callback = speed;
speed = null;
}
if(typeof opacity == 'function') {
callback = opacity;
opacity = null;
}
if(speed < 1) {
var placeholder = opacity;
opacity = speed;
speed = placeholder;
}
if(opacity >= 1) {
var placeholder = speed;
speed = opacity;
opacity = placeholder;
}
speed = (speed > 0) ? speed : 300;
opacity = (opacity > 0) ? opacity : 0.5;
return jQuery('<div></div>').attr({
id: '__dimScreen'
,fade_opacity: opacity
,speed: speed
}).css({
background: '#000'
,height: $(document).height() + 'px'
,left: '0px'
,opacity: 0
,position: 'absolute'
,top: '0px'
,width: $(document).width() + 'px'
,zIndex: 999
}).appendTo(document.body).fadeTo(speed, 0.7, callback);
},
//stops current dimming of the screen
dimScreenStop: function(callback) {
var x = jQuery('#__dimScreen');
var opacity = x.attr('fade_opacity');
x.fadeOut(0, function() {
x.remove();
if(typeof callback == 'function') callback();
});
}
});