/*
 * jQuery 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;
    }

    //$.fn._fadeIn = $.fn.fadeIn;

    //var noOp = function() { };

    // this bit is to ensure we don't call setExpression when we shouldn't (with extra muscle to handle
    // retarded userAgent strings on Vista)
    var mode = document.documentMode || 0;
    var setExpr = $.browser.msie && (($.browser.version < 8 && !mode) || mode < 8);
    var ie6 = $.browser.msie && /MSIE 6.0/.test(navigator.userAgent) && !mode;

    // 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 = 2.31; // 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:  'Please wait...',
    

        // 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:'300px', 
                    top:'30%', 
                    left:'50%', 
                    marginLeft:'-150', 
                    textAlign:'center', 
                    color:'#000', 
                    border:'1px solid #3b555c',
                    backgroundColor:'#cbddef',
                    padding:'10px'
                    //cursor:'wait'
        },
    

        // styles for the overlay
        overlayCSS: {
            backgroundColor: '#000',
            opacity:'0.3' 
        },
    

        // 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 elementcghf 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 hascghf 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
    };

    // 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 ascghf 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);
		lyr3.css('left', $.browser.msie ? '50%' : (document.body.offsetWidth-parseInt(css.width))/2 + "px");
		lyr3.css('marginLeft', $.browser.msie ? -parseInt(css.width)/2 + "px" : '');
	}

        // 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 = setExpr && (!$.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','document.body.scrollHeight > document.body.offsetHeight ? document.body.scrollHeight : document.body.offsetHeight + "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);

//仿alert
(function($){
	$.fn.alertwindow = function(ntc,url){
		
		$('div#alert').remove();
		$('html').append("<div  id='alert'></div>");
		$('div#alert').append("<div class='topBar'>提示信息<div class='pwClose'></div></div><div class='border'><div class='ntc'>"+ntc+"</div><div class='buttonzone'><input type='button' class='button' id='ok' value='确定' /></div></div>");
		
		$.blockUI({message: $('div#alert'),css:{width:'300px'}}); 
		
		$('#ok').click(function() { 
			$.unblockUI();
			$("div#alert").fadeOut("slow");
			if(url!=""){
				setTimeout("self.location='"+url+"'",300);
			}
			
		}); 
		$('.pwClose').click(function() { 
			$.unblockUI(); 
			$("div#alert").fadeOut("slow");
			if(url!=""){
				setTimeout("self.location='"+url+"'",300);
			}
		}); 
		
	};
})(jQuery);