$.extend(String.prototype,{
	decode:function(){
		return unescape(this);
	},
	encode:function(){
		return escape(this);
	},
	endsWith:function(suffix){
		return (this.substr(this.length-suffix.length)===suffix);
	},
	isAnsi:function(){
		return /^\w+$/.test(this);
	},
	isEmail:function(){
		return /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/.test(this);
	},
	isGB:function(){
		return /^[\u4e00-\u9fa5]+$/.test(this);
	},
	isIDCard:function(){
		return /^\d{15}|\d{18}$/.test(this);
	},
	isInt:function(){
		return /^[+-]?[0-9]+$/.test(this);
	},
	isIP:function(){
		return /^\d+\.\d+\.\d+\.\d+$/.test(this);
	},
	isLongDate:function(){
		return /^\d{4}-\d{1,2}-\d{1,2}\s\d{2}:\d{2}:\d{2}$/.test(this);
	},
	isNumber:function(){
		return /^(-?\d+)(\.\d+)?$/.test(this);
	},
	isPhone:function(){
		return /^\d{3}-\d{8}|\d{4}-\d{7}$/.test(this);
	},
	isShortDate:function(){
		return /^\d{4}-\d{1,2}-\d{1,2}$/.test(this);
	},
	isUniqueID:function(){
		return /^2\d{16}$/.test(this);
	},
	startsWith:function(prefix){
		return (this.substr(0, prefix.length)===prefix);
	},
	stripScripts:function(){
		return this.replace(new RegExp('(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)','img'),'');
	},
	stripTags:function(){
		return this.replace(/<\/?[^>]+>/gi,'');
	},
	trim:function(){
		return this.replace(/^\s+|\s+$/g,'');
	},
	trimEnd:function(){
		return this.replace(/\s+$/,'');
	},
	trimStart:function(){
		return this.replace(/^\s+/,'');
	}
  });
  $.extend(Array.prototype,{
	add:function(item){
		this[this.length]=item;
	},
	clear:function(){
		this.length=0;
	},
	clone:function(){
		if(this.length===1)return [this[0]];
		else return Array.apply(null,this);
	},
	contains:function(item){
		return (this.indexOf(item)>=0);
	},
	dequeue:function(){
		return this.shift();
	},
	each:function(method,callback){
		for(var i=0,l=this.length;i<l;i++){
			var elt=this[i];
			if(typeof(elt)!=='undefined')method.call(this,i,elt,callback);
		}
	},
	indexOf:function(item,start){
		if(typeof(item)==="undefined")return -1;
		var length=this.length;
		if(length!==0){
			start=start-0;
			if(isNaN(start))start=0;
			else{
				if(isFinite(start))start=start-(start%1);
				if(start<0)start=Math.max(0,length+start);
			}
			for(var i=start;i<length;i++){
				if((typeof(this[i])!=="undefined")&&(this[i]===item))return i;
			}
		}
		return -1;
	},
	insert:function(index,item){
		this.splice(index,0,item);
	},
	merge:function(items){
		this.push.apply(this,items);
	},
	remove:function(item){
		var index=this.IndexOf(item);
		if(index>=0)this.splice(index,1);
	},
	removeAt:function(index){
		this.splice(index,1);
	}
  });
$.extend({
    checkAll:function(frm){
        for (var i=0,j = frm.length; i< j; i++) {
            var item = frm.elements[i];
            if (item.name.indexOf ('cbxItem') != -1) {
                if(!item.disabled)item.checked = frm.cbxAll.checked;
            }
        }
    },
    cbxItemCheck:function(frm){
      var check = false;
      var checknum = 0;
      var cbxnum = 0;
      for (var i=0,j = frm.length; i< j; i++) {
            var item = frm.elements[i];
            if (item.name.indexOf ('cbxItem') != -1) {
                if(!item.disabled){
                    cbxnum++;
                    if(item.checked){
                        check = true;
                        checknum++;
                    }
                }
            }
        }
        if(check) frm.cbxAll.checked = checknum == cbxnum ? true :false;
        else  frm.cbxAll.checked = false;
    },
    isChecked:function(frm){
       var check = false;
        for (var i = 0, j = frm.length; i < j; i++) {
            if (frm.elements[i].name.indexOf ('cbxItem') != -1){
                if(frm.elements[i].checked) {
                    check=true;
                    break;
                }
            }
        }
        return check;
    },
    action:function(frm, msg, url){
       if($.isChecked(frm)){
            if(confirm(msg)){
                frm.action = url;
                frm.submit();
            }
        }else alert("请选择操作项？？");
    },
    confirm:function(msg, url){
  		if(confirm(msg)) location.href = url;
    },
    extensions:new Array('chm','cpp','css','csv','doc','eml','generic','gif','html','jpg',
    						'mhtml','mid','mov','mp3','one','pcx','pdf','png','pot','pps',
    						'ppt','pub','reg','text','vsd','vsl','vst','wav','wbk','wri',
    						'xls','xlt','xml','zip','rar')
});

(function($) {
    $.fn.calendar=function(options){
        options = $.extend({ 
            initDate:new Date(),
            monthText:["1月","2月","3月","4月","5月","6月","7月","8月","9月","10月","11月","12月"],
            weekText:["日","一","二","三","四","五","六"],
            range:[new Date(1949,0,1),new Date(2015,0,1)],
            clickEvent:null
        },options);
        function monthInfo(y,m){
            var monthDays = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];                
            var d = (new Date(y,m,1));
            d.setDate(1);
            if (d.getDate() == 2) d.setDate(0);
            y +=1900;
            return {
                days : m==1?(((y % 4 == 0) && (y % 100 != 0)) || (y % 400 == 0)?29:28):monthDays[m],
                firstDay : d.getDay()
            };
        };
        function init(cal,date){
            cal.html("");
            var month=monthInfo(date.getFullYear(),date.getMonth());
            cal.addClass("calendar");
            var year=$("<ul><li class='calendar_logo'></li></ul>");
            year.append("<li class='calendar_year'><a href='#' cal='year' year='"+date.getFullYear()+"'>"+date.getFullYear()+"年</a></li>").append("<li class='calendar_month'><a href='#' cal='month' month='"+date.getMonth()+"'>"+options.monthText[date.getMonth()]+"</a></li>");
            cal.append(year);
            
            var today=$("<ul></ul>");
            today.append("<li><a href='#' cal='preyear'><<</a></li>").append("<li><a href='#' cal='preweek'><</a></li>").append("<li class='calendar_today'><a href='#' cal='today'>今天</a></li>").append("<li><a href='#' cal='nextweek'>></a></li>").append("<li><a href='#' cal='nextyear'>>></a></li>");
            cal.append(today);
            
            var week=$("<ul></ul>");
            for(i=0;i<7;i++){
                week.append("<li class='calendar_week'>"+options.weekText[i]+"</li>")
            };            
            cal.append(week);
            for(i=0;i<6;i++){
                var days=$("<ul></ul>");
                for(var j=0;j<7;j++){
                    var d=7*i -month.firstDay + j + 1;
                    var css=d==date.getDate()?"class='calendar_selected'":"";
                    if(d>0 && d<=month.days){
                        var curd=new Date(date.getFullYear(),date.getMonth(),d);
                        if(curd>=options.range[0] && curd<=options.range[1]) {             
                            days.append("<li><a href='#' "+css+" year='"+date.getFullYear()+"' month='"+date.getMonth()+"' date='"+d+"'>"+d+"</a></li>");
                        }else{
                            days.append("<li class='calendar_outrange'>"+d+"</li>");}
                    }else{
                        days.append("<li class='calendar_invalid'>&nbsp;</li>")
                    }
                };
                cal.append(days);
            };
            cal.find("a").focus(function(){this.blur()});
            cal.find("a").click(function(){
                if($(this).attr("cal")=="today"){
                    init(cal,new Date());
                    if(options.clickEvent!=null)                        
                        options.clickEvent(new Date());
                    $('select').css('visibility','visible');
                }
                else if($(this).attr("cal")=="preyear"){
                    date.setFullYear(date.getFullYear()-1);
                    init(cal,date);
                }
                else if($(this).attr("cal")=="nextyear"){
                    date.setFullYear(date.getFullYear()+1);
                    init(cal,date);
                }
                else if($(this).attr("cal")=="preweek"){
                    date.setMonth(date.getMonth()-1);
                    init(cal,date);
                }
                else if($(this).attr("cal")=="nextweek"){
                    date.setMonth(date.getMonth()+1);
                    init(cal,date);
                }
                else if($(this).attr("cal")=="year"){
                    var year=$("<select style='width:"+(this.clientWidth-4)+"px'></select>");
                    var selected=$(this).attr('year');
                    for(var i=options.range[0].getFullYear();i<=options.range[1].getFullYear();i++){
                        year.append("<option value='"+i+"'>"+i+"</option>");
                    };
                    year.change(function(){                    
                        date.setFullYear(this.value);
                        init(cal,date);                    
                    });
                    year.val(selected);
                    $(this).replaceWith(year);
                    
                }
                else if($(this).attr("cal")=="month"){
                    var mon=$("<select style='width:"+(this.clientWidth-4)+"px'></select>");
                    selected=$(this).attr('month');
                    for(i=0;i<12;i++){
                        mon.append("<option value='"+i+"'>"+options.monthText[i]+"</option>");
                    };

                    mon.change(function(){                    
                        date.setMonth(this.value);
                        init(cal,date);                    
                    });
                    $(this).replaceWith(mon); 
                    mon.val(selected);             
                }
                else{
                    cal.find(".calendar_selected").removeAttr("class");                
                    this.className="calendar_selected";
                    if(options.clickEvent!=null)
                         options.clickEvent(new Date($(this).attr("year"),$(this).attr("month"),$(this).attr("date")));
                    $('select').css('visibility','visible');
                };               
                return false;
            })
        };
        return this.each(function() {
            var cal=$(this);               
            var date=options.initDate;
            init(cal,date);            
        })
    }
})(jQuery);


(function($){
     $.fn.datepicker=function(options){
        options = $.extend({ 
            initDate:"",
            monthText:["1月","2月","3月","4月","5月","6月","7月","8月","9月","10月","11月","12月"],
            weekText:["日","一","二","三","四","五","六"],
            range:[new Date(1949,0,1),new Date(2015,0,1)],            
            splitChar:"-"
        },options);
        return this.each(function() {
             $(this).click(function(){
                if($("#"+this.id+"_date").length==0){
                    var area=$("<div id='"+this.id+"_date'></div>");
                    var dateinput=this;
                    var initdate=new Date();
                    if(this.value!=""){
                        var d=  dateinput.value.split(options.splitChar);
                        initdate=new Date(d[0],d[1]-1,d[2]);
                    };
                    area.calendar({
                        initDate:initdate,
                        range:options.range,
                        monthText:options.monthText,
                        weekText:options.weekText,
                        clickEvent:function(date){
                            dateinput.value=date.getFullYear()+options.splitChar+(date.getMonth()+1)+options.splitChar+date.getDate();
                            area.remove();
                        }
                    });
                    var offset=$(this).offset();
                    area.css({
                        position:"absolute",
                        left:$(this).offset().left,
                        top:$(this).offset().top+this.clientHeight
                    });
                    $("body").append(area);
                    $('select').css('visibility','hidden');
                }else{
                    $("#"+this.id+"_date").remove();
                    $('select').css('visibility','visible');
                }
            });
        })
    }
})(jQuery);