//--返回id名的对象
function $id(id)
{
	return document.getElementById(id);
}
//--
//获取对象y坐标
function getY(e)
{
 var   obj   =   e; 
 var   getTop   =   obj.offsetTop;
 while(obj   =   obj.offsetParent) 
 {
    getTop   +=   obj.offsetTop;  
 }
 return getTop;
}
//获取对象x坐标
function getX(e)
{
 var   obj   =   e; 
 var   getLeft   =   obj.offsetLeft; 
 while(obj   =   obj.offsetParent) 
 {
    getLeft   +=   obj.offsetLeft; 
 }
 return getLeft;
}
//浏览器判断函数
function typeof_browser()
{ 
    var OsObject = ""; 
	if(isIE=navigator.userAgent.indexOf("MSIE")>0) { 
        return 0; 
	} 
	if(isFirefox=navigator.userAgent.indexOf("Firefox")>0){ 
		return 1; 
	} 
   	if(isSafari=navigator.userAgent.indexOf("Safari")>0) { 
        return 2;
   	}  
   	if(isCamino=navigator.userAgent.indexOf("Camino")>0){ 
        return 3;
	} 
	if(isMozilla=navigator.userAgent.indexOf("Gecko/")>0){ 
		return 4;
   	}
}