/*PLUGIN: dimensions*/
(function($){$.dimensions={version:'1.2'};$.each(['Height','Width'],function(i,name){$.fn['inner'+name]=function(){if(!this[0])return;var torl=name=='Height'?'Top':'Left',borr=name=='Height'?'Bottom':'Right';return this.is(':visible')?this[0]['client'+name]:num(this,name.toLowerCase())+num(this,'padding'+torl)+num(this,'padding'+borr);};$.fn['outer'+name]=function(options){if(!this[0])return;var torl=name=='Height'?'Top':'Left',borr=name=='Height'?'Bottom':'Right';options=$.extend({margin:false},options||{});var val=this.is(':visible')?this[0]['offset'+name]:num(this,name.toLowerCase())+num(this,'border'+torl+'Width')+num(this,'border'+borr+'Width')+num(this,'padding'+torl)+num(this,'padding'+borr);return val+(options.margin?(num(this,'margin'+torl)+num(this,'margin'+borr)):0);};});$.each(['Left','Top'],function(i,name){$.fn['scroll'+name]=function(val){if(!this[0])return;return val!=undefined?this.each(function(){this==window||this==document?window.scrollTo(name=='Left'?val:$(window)['scrollLeft'](),name=='Top'?val:$(window)['scrollTop']()):this['scroll'+name]=val;}):this[0]==window||this[0]==document?self[(name=='Left'?'pageXOffset':'pageYOffset')]||$.boxModel&&document.documentElement['scroll'+name]||document.body['scroll'+name]:this[0]['scroll'+name];};});$.fn.extend({position:function(){var left=0,top=0,elem=this[0],offset,parentOffset,offsetParent,results;if(elem){offsetParent=this.offsetParent();offset=this.offset();parentOffset=offsetParent.offset();offset.top-=num(elem,'marginTop');offset.left-=num(elem,'marginLeft');parentOffset.top+=num(offsetParent,'borderTopWidth');parentOffset.left+=num(offsetParent,'borderLeftWidth');results={top:offset.top-parentOffset.top,left:offset.left-parentOffset.left};}return results;},offsetParent:function(){var offsetParent=this[0].offsetParent;while(offsetParent&&(!/^body|html$/i.test(offsetParent.tagName)&&$.css(offsetParent,'position')=='static'))offsetParent=offsetParent.offsetParent;return $(offsetParent);}});function num(el,prop){return parseInt($.curCSS(el.jquery?el[0]:el,prop,true))||0;};})(jQuery);

/*PLUGIN: bgIframe*/
(function($){$.fn.bgIframe=$.fn.bgiframe=function(s){if($.browser.msie&&/6.0/.test(navigator.userAgent)){s=$.extend({top:'auto',left:'auto',width:'auto',height:'auto',opacity:true,src:'javascript:false;'},s||{});var prop=function(n){return n&&n.constructor==Number?n+'px':n;},html='<iframe class="bgiframe"frameborder="0"tabindex="-1"src="'+s.src+'"'+'style="display:block;position:absolute;z-index:-1;'+(s.opacity!==false?'filter:Alpha(Opacity=\'0\');':'')+'top:'+(s.top=='auto'?'expression(((parseInt(this.parentNode.currentStyle.borderTopWidth)||0)*-1)+\'px\')':prop(s.top))+';'+'left:'+(s.left=='auto'?'expression(((parseInt(this.parentNode.currentStyle.borderLeftWidth)||0)*-1)+\'px\')':prop(s.left))+';'+'width:'+(s.width=='auto'?'expression(this.parentNode.offsetWidth+\'px\')':prop(s.width))+';'+'height:'+(s.height=='auto'?'expression(this.parentNode.offsetHeight+\'px\')':prop(s.height))+';'+'"/>';return this.each(function(){if($('> iframe.bgiframe',this).length==0)this.insertBefore(document.createElement(html),this.firstChild);});}return this;};})(jQuery);

/*PLUGIN: corner plugin */
jQuery.fn.corner = function(o) {
    function hex2(s) {
        var s = parseInt(s).toString(16);
        return ( s.length < 2 ) ? '0'+s : s;
    };
    function gpc(node) {
        for ( ; node && node.nodeName.toLowerCase() != 'html'; node = node.parentNode  ) {
            var v = jQuery.css(node,'backgroundColor');
            if ( v.indexOf('rgb') >= 0 ) { 
                rgb = v.match(/\d+/g); 
                return '#'+ hex2(rgb[0]) + hex2(rgb[1]) + hex2(rgb[2]);
            }
            if ( v && v != 'transparent' )
                return v;
        }
        return '#ffffff';
    };
    function getW(i) {
        switch(fx) {
        case 'round':  return Math.round(width*(1-Math.cos(Math.asin(i/width))));
        case 'cool':   return Math.round(width*(1+Math.cos(Math.asin(i/width))));
        case 'sharp':  return Math.round(width*(1-Math.cos(Math.acos(i/width))));
        case 'bite':   return Math.round(width*(Math.cos(Math.asin((width-i-1)/width))));
        case 'slide':  return Math.round(width*(Math.atan2(i,width/i)));
        case 'jut':    return Math.round(width*(Math.atan2(width,(width-i-1))));
        case 'curl':   return Math.round(width*(Math.atan(i)));
        case 'tear':   return Math.round(width*(Math.cos(i)));
        case 'wicked': return Math.round(width*(Math.tan(i)));
        case 'long':   return Math.round(width*(Math.sqrt(i)));
        case 'sculpt': return Math.round(width*(Math.log((width-i-1),width)));
        case 'dog':    return (i&1) ? (i+1) : width;
        case 'dog2':   return (i&2) ? (i+1) : width;
        case 'dog3':   return (i&3) ? (i+1) : width;
        case 'fray':   return (i%2)*width;
        case 'notch':  return width; 
        case 'bevel':  return i+1;
        }
    };
    o = (o||"").toLowerCase();
    var keep = /keep/.test(o);                       // keep borders?
    var cc = ((o.match(/cc:(#[0-9a-f]+)/)||[])[1]);  // corner color
    var sc = ((o.match(/sc:(#[0-9a-f]+)/)||[])[1]);  // strip color
    var width = parseInt((o.match(/(\d+)px/)||[])[1]) || 10; // corner width
    var re = /round|bevel|notch|bite|cool|sharp|slide|jut|curl|tear|fray|wicked|sculpt|long|dog3|dog2|dog/;
    var fx = ((o.match(re)||['round'])[0]);
    var edges = { T:0, B:1 };
    var opts = {
        TL:  /top|tl/.test(o),       TR:  /top|tr/.test(o),
        BL:  /bottom|bl/.test(o),    BR:  /bottom|br/.test(o)
    };
    if ( !opts.TL && !opts.TR && !opts.BL && !opts.BR )
        opts = { TL:1, TR:1, BL:1, BR:1 };
    var strip = document.createElement('div');
    strip.style.overflow = 'hidden';
    strip.style.height = '1px';
    strip.style.backgroundColor = sc || 'transparent';
    strip.style.borderStyle = 'solid';
    return this.each(function(index){
        var pad = {
            T: parseInt(jQuery.css(this,'paddingTop'))||0,     R: parseInt(jQuery.css(this,'paddingRight'))||0,
            B: parseInt(jQuery.css(this,'paddingBottom'))||0,  L: parseInt(jQuery.css(this,'paddingLeft'))||0
        };

        if (jQuery.browser.msie) this.style.zoom = 1; // force 'hasLayout' in IE
        if (!keep) this.style.border = 'none';
        strip.style.borderColor = cc || gpc(this.parentNode);
        var cssHeight = jQuery.curCSS(this, 'height');

        for (var j in edges) {
            var bot = edges[j];
            strip.style.borderStyle = 'none '+(opts[j+'R']?'solid':'none')+' none '+(opts[j+'L']?'solid':'none');
            var d = document.createElement('div');
            var ds = d.style;

            bot ? this.appendChild(d) : this.insertBefore(d, this.firstChild);

            if (bot && cssHeight != 'auto') {
                if (jQuery.css(this,'position') == 'static')
                    this.style.position = 'relative';
                ds.position = 'absolute';
                ds.bottom = ds.left = ds.padding = ds.margin = '0';
                if (jQuery.browser.msie)
                    ds.setExpression('width', 'this.parentNode.offsetWidth');
                else
                    ds.width = '100%';
            }
            else {
                ds.margin = !bot ? '-'+pad.T+'px -'+pad.R+'px '+(pad.T-width)+'px -'+pad.L+'px' : 
                                    (pad.B-width)+'px -'+pad.R+'px -'+pad.B+'px -'+pad.L+'px';                
            }

            for (var i=0; i < width; i++) {
                var w = Math.max(0,getW(i));
                var e = strip.cloneNode(false);
                e.style.borderWidth = '0 '+(opts[j+'R']?w:0)+'px 0 '+(opts[j+'L']?w:0)+'px';
                bot ? d.appendChild(e) : d.insertBefore(e, d.firstChild);
            }
        }
    });
};



/*PLUGIN: tooltip plugin */
(function($){var helper={},current,title,tID,IE=$.browser.msie&&/MSIE\s(5\.5|6\.)/.test(navigator.userAgent),track=false;$.tooltip={blocked:false,defaults:{delay:200,fade:false,showURL:true,extraClass:"",top:15,left:15,id:"tooltip"},block:function(){$.tooltip.blocked=!$.tooltip.blocked;}};$.fn.extend({tooltip:function(settings){settings=$.extend({},$.tooltip.defaults,settings);createHelper(settings);return this.each(function(){$.data(this,"tooltip",settings);this.tOpacity=helper.parent.css("opacity");this.tooltipText=this.title;$(this).removeAttr("title");this.alt="";}).mouseover(save).mouseout(hide).click(hide);},fixPNG:IE?function(){return this.each(function(){var image=$(this).css('backgroundImage');if(image.match(/^url\(["']?(.*\.png)["']?\)$/i)){image=RegExp.$1;$(this).css({'backgroundImage':'none','filter':"progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=crop, src='"+image+"')"}).each(function(){var position=$(this).css('position');if(position!='absolute'&&position!='relative')$(this).css('position','relative');});}});}:function(){return this;},unfixPNG:IE?function(){return this.each(function(){$(this).css({'filter':'',backgroundImage:''});});}:function(){return this;},hideWhenEmpty:function(){return this.each(function(){$(this)[$(this).html()?"show":"hide"]();});},url:function(){return this.attr('href')||this.attr('src');}});function createHelper(settings){if(helper.parent)return;helper.parent=$('<div id="'+settings.id+'"><h3></h3><div class="body"></div><div class="url"></div></div>').appendTo(document.body).hide();if($.fn.bgiframe)helper.parent.bgiframe();helper.title=$('h3',helper.parent);helper.body=$('div.body',helper.parent);helper.url=$('div.url',helper.parent);}function settings(element){return $.data(element,"tooltip");}function handle(event){if(settings(this).delay)tID=setTimeout(show,settings(this).delay);else
show();track=!!settings(this).track;$(document.body).bind('mousemove',update);update(event);}function save(){if($.tooltip.blocked||this==current||(!this.tooltipText&&!settings(this).bodyHandler))return;current=this;title=this.tooltipText;if(settings(this).bodyHandler){helper.title.hide();var bodyContent=settings(this).bodyHandler.call(this);if(bodyContent.nodeType||bodyContent.jquery){helper.body.empty().append(bodyContent)}else{helper.body.html(bodyContent);}helper.body.show();}else if(settings(this).showBody){var parts=title.split(settings(this).showBody);helper.title.html(parts.shift()).show();helper.body.empty();for(var i=0,part;(part=parts[i]);i++){if(i>0)helper.body.append("<br/>");helper.body.append(part);}helper.body.hideWhenEmpty();}else{helper.title.html(title).show();helper.body.hide();}if(settings(this).showURL&&$(this).url())helper.url.html($(this).url().replace('http://','')).show();else
helper.url.hide();helper.parent.addClass(settings(this).extraClass);if(settings(this).fixPNG)helper.parent.fixPNG();handle.apply(this,arguments);}function show(){tID=null;if((!IE||!$.fn.bgiframe)&&settings(current).fade){if(helper.parent.is(":animated"))helper.parent.stop().show().fadeTo(settings(current).fade,current.tOpacity);else
helper.parent.is(':visible')?helper.parent.fadeTo(settings(current).fade,current.tOpacity):helper.parent.fadeIn(settings(current).fade);}else{helper.parent.show();}update();}function update(event){if($.tooltip.blocked)return;if(event&&event.target.tagName=="OPTION"){return;}if(!track&&helper.parent.is(":visible")){$(document.body).unbind('mousemove',update)}if(current==null){$(document.body).unbind('mousemove',update);return;}helper.parent.removeClass("viewport-right").removeClass("viewport-bottom");var left=helper.parent[0].offsetLeft;var top=helper.parent[0].offsetTop;if(event){left=event.pageX+settings(current).left;top=event.pageY+settings(current).top;var right='auto';if(settings(current).positionLeft){right=$(window).width()-left;left='auto';}helper.parent.css({left:left,right:right,top:top});}var v=viewport(),h=helper.parent[0];if(v.x+v.cx<h.offsetLeft+h.offsetWidth){left-=h.offsetWidth+20+settings(current).left;helper.parent.css({left:left+'px'}).addClass("viewport-right");}if(v.y+v.cy<h.offsetTop+h.offsetHeight){top-=h.offsetHeight+20+settings(current).top;helper.parent.css({top:top+'px'}).addClass("viewport-bottom");}}function viewport(){return{x:$(window).scrollLeft(),y:$(window).scrollTop(),cx:$(window).width(),cy:$(window).height()};}function hide(event){if($.tooltip.blocked)return;if(tID)clearTimeout(tID);current=null;var tsettings=settings(this);function complete(){helper.parent.removeClass(tsettings.extraClass).hide().css("opacity","");}if((!IE||!$.fn.bgiframe)&&tsettings.fade){if(helper.parent.is(':animated'))helper.parent.stop().fadeTo(tsettings.fade,0,complete);else
helper.parent.stop().fadeOut(tsettings.fade,complete);}else
complete();if(settings(this).fixPNG)helper.parent.unfixPNG();}})(jQuery);

/*PLUGIN: blockUI plugin */

;(function($) {

if (/1\.(0|1|2)\.(0|1|2)/.test($.fn.jquery) || /^1.1/.test($.fn.jquery)) {
    alert('blockUI requires jQuery v1.2.3 or later!  You are using v' + $.fn.jquery);
    return;
}

// global $ methods for blocking/unblocking the entire page
$.blockUI   = function(opts) { install(window, opts); };
$.unblockUI = function(opts) { remove(window, opts); };

// plugin method for blocking element content
$.fn.block = function(opts) {
    return this.each(function() {
        if ($.css(this,'position') == 'static')
            this.style.position = 'relative';
        if ($.browser.msie) 
            this.style.zoom = 1; // force 'hasLayout'
        install(this, opts);
    });
};

// plugin method for unblocking element content
$.fn.unblock = function(opts) {
    return this.each(function() {
        remove(this, opts);
    });
};

$.blockUI.version = 2.09; // 2nd generation blocking at no extra cost!

// override these in your code to change the default behavior and style
$.blockUI.defaults = {
    // message displayed when blocking (use null for no message)
    message:  '<h1>Please wait...</h1>',
    
    // styles for the message when blocking; if you wish to disable
    // these and use an external stylesheet then do this in your code:
    // $.blockUI.defaults.css = {};
    css: { 
        padding:        0,
        margin:         0,
        width:          '30%', 
        top:            '40%', 
        left:           '35%', 
        textAlign:      'center', 
        color:          '#000', 
        border:         '3px solid #aaa',
        backgroundColor:'#fff',
        cursor:         'wait'
    },
    
    // styles for the overlay
    overlayCSS:  { 
        backgroundColor:'#000', 
        opacity:        '0.6' 
    },
    
    // z-index for the blocking overlay
    baseZ: 1000,
    
    // set these to true to have the message automatically centered
    centerX: true, // <-- only effects element blocking (page block controlled via css above)
    centerY: true,
    
    // allow body element to be stetched in ie6; this makes blocking look better
    // on "short" pages.  disable if you wish to prevent changes to the body height
    allowBodyStretch: true,
    
    // be default blockUI will supress tab navigation from leaving blocking content;
    constrainTabKey: true,
    
    // fadeOut time in millis; set to 0 to disable fadeout on unblock
    fadeOut:  400,
    
    // if true, focus will be placed in the first available input field when
    // page blocking
    focusInput: true,
    
    // suppresses the use of overlay styles on FF/Linux (due to performance issues with opacity)
    applyPlatformOpacityRules: true,
    
    // callback method invoked when unblocking has completed; the callback is
    // passed the element that has been unblocked (which is the window object for page
    // blocks) and the options that were passed to the unblock call:
    //     onUnblock(element, options)
    onUnblock: null,
    
    // don't ask (if you really must know: http://groups.google.com/group/jquery-en/browse_thread/thread/36640a8730503595/2f6a79a77a78e493#2f6a79a77a78e493)
    quirksmodeOffsetHack: 4
};

// private data and functions follow...

var ie6 = $.browser.msie && /MSIE 6.0/.test(navigator.userAgent);
var pageBlock = null;
var pageBlockEls = [];

function install(el, opts) {
    var full = (el == window);
    var msg = opts && opts.message !== undefined ? opts.message : undefined;
    opts = $.extend({}, $.blockUI.defaults, opts || {});
    opts.overlayCSS = $.extend({}, $.blockUI.defaults.overlayCSS, opts.overlayCSS || {});
    var css = $.extend({}, $.blockUI.defaults.css, opts.css || {});
    msg = msg === undefined ? opts.message : msg;

    // remove the current block (if there is one)
    if (full && pageBlock) 
        remove(window, {fadeOut:0}); 
    
    // if an existing element is being used as the blocking content then we capture
    // its current place in the DOM (and current display style) so we can restore
    // it when we unblock
    if (msg && typeof msg != 'string' && (msg.parentNode || msg.jquery)) {
        var node = msg.jquery ? msg[0] : msg;
        var data = {};
        $(el).data('blockUI.history', data);
        data.el = node;
        data.parent = node.parentNode;
        data.display = node.style.display;
        data.position = node.style.position;
        data.parent.removeChild(node);
    }
    
    var z = opts.baseZ;
    
    // blockUI uses 3 layers for blocking, for simplicity they are all used on every platform;
    // layer1 is the iframe layer which is used to supress bleed through of underlying content
    // layer2 is the overlay layer which has opacity and a wait cursor
    // layer3 is the message content that is displayed while blocking
    
    var lyr1 = ($.browser.msie) ? $('<iframe class="blockUI" style="z-index:'+ z++ +';border:none;margin:0;padding:0;position:absolute;width:100%;height:100%;top:0;left:0" src="javascript:false;"></iframe>')
                                : $('<div class="blockUI" style="display:none"></div>');
    var lyr2 = $('<div class="blockUI blockOverlay" style="z-index:'+ z++ +';cursor:wait;border:none;margin:0;padding:0;width:100%;height:100%;top:0;left:0"></div>');
    var lyr3 = full ? $('<div class="blockUI blockMsg blockPage" style="z-index:'+z+';position:fixed"></div>')
                    : $('<div class="blockUI blockMsg blockElement" style="z-index:'+z+';display:none;position:absolute"></div>');

    // if we have a message, style it
    if (msg) 
        lyr3.css(css);

    // style the overlay
    if (!opts.applyPlatformOpacityRules || !($.browser.mozilla && /Linux/.test(navigator.platform))) 
        lyr2.css(opts.overlayCSS);
    lyr2.css('position', full ? 'fixed' : 'absolute');
    
    // make iframe layer transparent in IE
    if ($.browser.msie) 
        lyr1.css('opacity','0.0');

    $([lyr1[0],lyr2[0],lyr3[0]]).appendTo(full ? 'body' : el);
    
    // ie7 must use absolute positioning in quirks mode and to account for activex issues (when scrolling)
    var expr = $.browser.msie && (!$.boxModel || $('object,embed', full ? null : el).length > 0);
    if (ie6 || expr) {
        // give body 100% height
        if (full && opts.allowBodyStretch && $.boxModel)
            $('html,body').css('height','100%');

        // fix ie6 issue when blocked element has a border width
        if ((ie6 || !$.boxModel) && !full) {
            var t = sz(el,'borderTopWidth'), l = sz(el,'borderLeftWidth');
            var fixT = t ? '(0 - '+t+')' : 0;
            var fixL = l ? '(0 - '+l+')' : 0;
        }

        // simulate fixed position
        $.each([lyr1,lyr2,lyr3], function(i,o) {
            var s = o[0].style;
            s.position = 'absolute';
            if (i < 2) {
                full ? s.setExpression('height','Math.max(document.body.scrollHeight, document.body.offsetHeight) - (jQuery.boxModel?0:'+opts.quirksmodeOffsetHack+') + "px"')
                     : s.setExpression('height','this.parentNode.offsetHeight + "px"');
                full ? s.setExpression('width','jQuery.boxModel && document.documentElement.clientWidth || document.body.clientWidth + "px"')
                     : s.setExpression('width','this.parentNode.offsetWidth + "px"');
                if (fixL) s.setExpression('left', fixL);
                if (fixT) s.setExpression('top', fixT);
            }
            else if (opts.centerY) {
                if (full) s.setExpression('top','(document.documentElement.clientHeight || document.body.clientHeight) / 2 - (this.offsetHeight / 2) + (blah = document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + "px"');
                s.marginTop = 0;
            }
        });
    }
    
    // show the message
    lyr3.append(msg).show();
    if (msg && (msg.jquery || msg.nodeType))
        $(msg).show();

    // bind key and mouse events
    bind(1, el, opts);
        
    if (full) {
        pageBlock = lyr3[0];
        pageBlockEls = $(':input:enabled:visible',pageBlock);
        if (opts.focusInput)
            setTimeout(focus, 20);
    }
    else
        center(lyr3[0], opts.centerX, opts.centerY);
};

// remove the block
function remove(el, opts) {
    var full = el == window;
    var data = $(el).data('blockUI.history');
    opts = $.extend({}, $.blockUI.defaults, opts || {});
    bind(0, el, opts); // unbind events
    var els = full ? $('body').children().filter('.blockUI') : $('.blockUI', el);
    
    if (full) 
        pageBlock = pageBlockEls = null;

    if (opts.fadeOut) {
        els.fadeOut(opts.fadeOut);
        setTimeout(function() { reset(els,data,opts,el); }, opts.fadeOut);
    }
    else
        reset(els, data, opts, el);
};

// move blocking element back into the DOM where it started
function reset(els,data,opts,el) {
    els.each(function(i,o) {
        // remove via DOM calls so we don't lose event handlers
        if (this.parentNode) 
            this.parentNode.removeChild(this);
    });
    if (data && data.el) {
        data.el.style.display = data.display;
        data.el.style.position = data.position;
        data.parent.appendChild(data.el);
        $(data.el).removeData('blockUI.history');
    }
    if (typeof opts.onUnblock == 'function')
        opts.onUnblock(el,opts);
};

// bind/unbind the handler
function bind(b, el, opts) {
    var full = el == window, $el = $(el);
    
    // don't bother unbinding if there is nothing to unbind
    if (!b && (full && !pageBlock || !full && !$el.data('blockUI.isBlocked'))) 
        return;
    if (!full) 
        $el.data('blockUI.isBlocked', b);
        
    // bind anchors and inputs for mouse and key events
    var events = 'mousedown mouseup keydown keypress click';
    b ? $(document).bind(events, opts, handler) : $(document).unbind(events, handler);

// former impl...
//    var $e = $('a,:input');
//    b ? $e.bind(events, opts, handler) : $e.unbind(events, handler);
};

// event handler to suppress keyboard/mouse events when blocking
function handler(e) {
    // allow tab navigation (conditionally)
    if (e.keyCode && e.keyCode == 9) {
        if (pageBlock && e.data.constrainTabKey) {
            var els = pageBlockEls;
            var fwd = !e.shiftKey && e.target == els[els.length-1];
            var back = e.shiftKey && e.target == els[0];
            if (fwd || back) {
                setTimeout(function(){focus(back)},10);
                return false;
            }
        }
    }
    // allow events within the message content
    if ($(e.target).parents('div.blockMsg').length > 0)
        return true;
        
    // allow events for content that is not being blocked
    return $(e.target).parents().children().filter('div.blockUI').length == 0;
};

function focus(back) {
    if (!pageBlockEls) 
        return;
    var e = pageBlockEls[back===true ? pageBlockEls.length-1 : 0];
    if (e) 
        e.focus();
};

function center(el, x, y) {
    var p = el.parentNode, s = el.style;
    var l = ((p.offsetWidth - el.offsetWidth)/2) - sz(p,'borderLeftWidth');
    var t = ((p.offsetHeight - el.offsetHeight)/2) - sz(p,'borderTopWidth');
    if (x) s.left = l > 0 ? (l+'px') : '0';
    if (y) s.top  = t > 0 ? (t+'px') : '0';
};

function sz(el, p) { 
    return parseInt($.css(el,p))||0; 
};

})(jQuery);