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

//获取文本内容兼容代码
function getInnerText(element){
	if(element.textContent){
		return element.textContent
	}else if(element.getInnerText){
		return element.innerText
	}
}

//获取文本内容兼容代码
function getInnerText(element,value){
	if(element.textContent){
		element.textContent = value
	}else if(element.getInnerText){
		element.innerText = value
	}
}
//为任意元素绑定事件的兼容
function addEventListener(ele,type,fn){
	if(ele.addEventListener){
		ele.addEventListener(type,fn,false)
	}else if(ele.attachEvent){
		ele.attachEvent('on'+type,fn)
	}else{
		els['on'+type] = fn
	}
}

//解绑事件的兼容
function removeEventListener(ele,type,fn){
	if(ele.removeEventListener){
		ele.removeEventListener(type,fn,false)
	}else if(ele.detachEvent){
		ele.detachEvent('on'+type,fn)
	}else{
		ele['on'+type] = null
	}