(function($){
    $.fn.CenterIt=function(options){
        var defaults={ignorechildren:true};
        var settings=$.extend({},defaults,options);
        var control=$(this);
        control.show();
        $(document).ready(function(){
            CenterItem();});
            $(window).resize(function(){
                CenterItem();});
                function CenterItem(){
                    var controlHeight=0;
                    var controlWidth=0;
                    if(settings.ignorechildren){
                        controlHeight=control.height();
                        controlWidth=control.width();
                    }else{
                        var children=control.children();
                        for(var i=0;i<children.length;i++){
                            if(children[i].style.display!='none'){
                                controlHeight=children[i].clientHeight;
                                controlWidth=children[i].clientWidth;
                            }
                        }
                    }
                    var controlMarginCSS=control.css("margin");
                    var controlPaddingCSS=control.css("padding");
                    if(controlMarginCSS!=null){
                        controlMarginCSS=controlMarginCSS.replace(/auto/gi,'0');
                        controlMarginCSS=controlMarginCSS.replace(/px/gi,'');
                        controlMarginCSS=controlMarginCSS.replace(/pt/gi,'');
                    }
                    var totalMargin="";
                    if(controlMarginCSS!=""&&controlMarginCSS!=null){
                        totalMargin=controlMarginCSS.split(' ');
                    }
                    var horizontalMargin=0;
                    var verticalMargin=0;
                    if(totalMargin!="NaN"){
                        if(totalMargin.length>0){
                            horizontalMargin=parseInt(totalMargin[1])+parseInt(totalMargin[3]);
                            verticalMargin=parseInt(totalMargin[2])+parseInt(totalMargin[2]);
                        }
                    }
                    if(controlPaddingCSS!=null){
                        controlPaddingCSS=controlPaddingCSS.replace(/auto/gi,'0');
                        controlPaddingCSS=controlPaddingCSS.replace(/px/gi,'');
                        controlPaddingCSS=controlPaddingCSS.replace(/pt/gi,'');
                    }
                    var totalPadding="";
                    if(controlPaddingCSS!=""&&controlPaddingCSS!=null){
                        totalPadding=controlPaddingCSS.split(' ');
                    }
                    var horizontalPadding=0;
                    var verticalPadding=0;
                    if(totalPadding!="NaN"){
                        if(totalPadding.length>0){
                            horizontalPadding=parseInt(totalPadding[1])+parseInt(totalPadding[3]);
                            verticalPadding=parseInt(totalPadding[2])+parseInt(totalPadding[2]);
                        }
                    }
                    if(verticalMargin=="NaN"||isNaN(verticalMargin)){
                        verticalMargin=0;
                    }
                    if(verticalPadding=="NaN"||isNaN(verticalPadding)){
                        verticalPadding=0;
                    }
                    var windowHeight=$(window).height();
                    var windowWidth=$(window).width();
                    if($.browser.msie&&$.browser.version.substr(0,1)<7){
                        control.css("position","absolute");
                    }else{
                        control.css("position","fixed");
                    }
                    control.css("height",controlHeight+"px");
                    control.css("width",controlWidth+"px");
                    control.css("top",((windowHeight-(controlHeight+verticalMargin+verticalPadding))/2)+"px");
                    control.css("left",((windowWidth-(controlWidth+horizontalMargin+horizontalPadding))/2)+"px");
                }
    }
}
)(jQuery);