function getHTML(url, params, dest)
{var myAjax = new Ajax.Updater({success: dest},url+".aspx",{method: 'get', parameters: params, onFailure: ShowError, evalScripts: true});
}
function ShowError(response)
{
}

function loading(id,img,txt,x,y,target)
{
    this.id = id;
    this.x = x;
    this.y = y;
    this.img = !img ? "loading.gif" : img;
    this.txt = !txt ? "数据加载中......" : txt;
	this.target = !target ? document.body : target;
    this.show = loading_Show;
}

function loading_Show()
{
     var _loading = document.createElement("div");
	 var _img = document.createElement("img");
    _img.src = "images/loading.gif";
    
    var _txtNode = document.createElement("span");
    _txtNode.innerHTML = this.txt;
    var _ts = _txtNode.style;
    _ts.fontSize = "14px";
    _ts.fontFamily = "宋体";
    _ts.color = "#555555";
    _ts.position = "relative";
    _ts.left = "10px";
    _ts.top = "-4px";
    
    
    _loading.appendChild(_img);
    _loading.appendChild(_txtNode);
    
    this.target.appendChild(_loading);
}