function $(id){
	return document.getElementById(id);
}

function geib(id){
	return document.getElementById(id);
}

function elesByName(name){
	return document.getElementsByName(name);
}

function elesByTag(name){
	return document.getElementsByTagName(name);
}

function createEle(name){
	return document.createElement(name);
}

//封装trim函数
String.prototype.trim=function(){
	return this.replace(/(^\s*)|(\s*$)/g,"");
};
	
	//封装ajax
	//参数:请求方式,请求url,发送的数据,回调函数
  	function $ajax(method,url,data,callback){
  		var xhr;
  		if(window.XMLHttpRequest){
  			xhr=new XMLHttpRequest();
  		}else{
  			xhr=new ActiveXObject('Micsoft.XMLHTTP');
  		}
  		xhr.open(method, url, true);
  		xhr.onreadystatechange=function(){
  			if(xhr.readyState==4 && xhr.status==200)
  			callback(xhr.responseText);
  		};
  		if(method.toLowerCase()=="post"){
  			xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
  		}
  		xhr.send(data);
  	}
	
  	
  

  	/**
  	 * @param   d the delimiter
  	 * @param   p the pattern of your date
  	 * @author  meizz
  	 * @author  kimsoft add w+ pattern
  	 */
  	Date.prototype.format = function(style) {
  		var o = {
  			"M+" : this.getMonth() + 1, //month
  			"d+" : this.getDate(),      //day
  			"h+" : this.getHours(),     //hour
  			"m+" : this.getMinutes(),   //minute
  			"s+" : this.getSeconds(),   //second
  			"w+" : "\u65e5\u4e00\u4e8c\u4e09\u56db\u4e94\u516d".charAt(this.getDay()),   //week
  			"q+" : Math.floor((this.getMonth() + 3) / 3),  //quarter
  			"S"  : this.getMilliseconds() //millisecond
  		};
  		if (/(y+)/.test(style)) {
  			style = style.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
  		}
  		for(var k in o){
  			if (new RegExp("("+ k +")").test(style)){
  				style = style.replace(RegExp.$1, RegExp.$1.length == 1 ? o[k] : ("00" + o[k]).substr(("" + o[k]).length));
  			}
  		}
  		return style;
  	};

  	/**
  	 * @param d the delimiter
  	 * @param p the pattern of your date
  	 * @rebuilder kimsoft
  	 * @version build 2006.12.15
  	 */
  	String.prototype.toDate = function(delimiter, pattern) {
  		delimiter = delimiter || "-";
  		pattern = pattern || "ymd";
  		var a = this.split(delimiter);
  		var y = parseInt(a[pattern.indexOf("y")], 10);
  		//remember to change this next century ;)
  		if(y.toString().length <= 2) y += 2000;
  		if(isNaN(y)) y = new Date().getFullYear();
  		var m = parseInt(a[pattern.indexOf("m")], 10) - 1;
  		var d = parseInt(a[pattern.indexOf("d")], 10);
  		if(isNaN(d)) d = 1;
  		return new Date(y, m, d);
  	};