function eScroll()

{

	var thisObj = this;

	this.timeObj = null;

	this.mode = "top";				

	this.width = "500";			

	this.height = 20;				

	this.line = 1;					

	this.delay = 0;				

	this.speed = 30;					

	this.id = 'obj_eScroll';		

	this.contents = new Array();	

	this.align = "left";			

	this.valign = "middle";	

	this.gap = 0;

	this.direction = -1;	

	this.add = add;

	this.exec = exec;

	this.start = start;

	this.stop = stop;

	this.scroll = scroll;

	this.direct = direct;

	this.go = go;



	function add(str)

	{

		this.contents[this.contents.length] = str;		

	}



	function exec()

	{		

		this.basis = (this.mode == "left") ? this.width : this.height;

		var outWidth = this.width * ((this.mode == "left") ? this.line : 1);

		var outHeight = this.height * ((this.mode == "top") ? this.line : 1);



		var outline = "<div id=" + this.id + " style='overflow:hidden;width:" + outWidth + "px;height:" + outHeight + "px'><table></table></div>";

		document.write(outline);

		this.obj = document.getElementById(this.id);



		var tb = this.obj.appendChild(document.createElement("table"));

		var tbody = tb.appendChild(document.createElement("tbody"));

		tb.cellPadding = 0 ;

		tb.cellSpacing = 0 ;

		tb.onmouseover = function(){thisObj.stop()};

		tb.onmouseout = function(){thisObj.start()};



		if (this.mode=="left") var tr = tbody.appendChild(document.createElement("tr"));

		for (k in this.contents){

			if (this.mode=="top") var tr = tbody.appendChild(document.createElement("tr"));

			var td = tr.appendChild(document.createElement("td"));

			td.noWrap = true;

			td.style.width = this.width;

			td.style.height = this.height;

			td.style.textAlign = this.align;

			td.style.verticalAlign = this.valign;

			td.innerHTML = this.contents[k];

		}



		var len = (this.contents.length<this.line) ? this.contents.length : this.line;

		for (i=0;i<len;i++){

			if (this.mode=="top") var tr = tbody.appendChild(document.createElement("tr"));

			td = tr.appendChild(document.createElement("td"));

			td.noWrap = true;

			td.style.width = this.width;

			td.style.height = this.height;

			td.style.textAlign = this.align;

			td.style.verticalAlign = this.valign;

			td.innerHTML = this.contents[i];

		}



		this.obj.parent = this;

		this.tpoint = this.basis * this.contents.length;

		this.start();

	}



	function scroll()

	{		

		var out = (this.mode=="left") ? this.obj.scrollLeft : this.obj.scrollTop;

		if (out%this.basis==0){

			this.gap++;

			if (this.gap>=this.delay) this.gap = 0;

		}

		if (!this.gap){

			var ret = (out==this.tpoint) ? this.direction : out + this.direction;

			if (ret<0) ret = this.tpoint + ret;

			if (this.mode=="left") this.obj.scrollLeft = ret;

			else this.obj.scrollTop = ret;

		}

	}



	function start()

	{

		this.timeObj = window.setInterval("(document.getElementById('" + this.id + "')).parent.scroll()",this.speed);

	}



	function stop()

	{

		clearTimeout(this.timeObj);

	}



	function direct(d)

	{

		this.direction = d;

	}



	function go()

	{

		this.stop();

		var out = (this.mode=="left") ? this.obj.scrollLeft : this.obj.scrollTop;

		var ret = (parseInt(out / this.basis) + this.direction) * this.basis;

		if (ret<0) ret = this.tpoint + ret;

		if (ret>this.tpoint) ret = this.basis;

		if (this.mode=="left") this.obj.scrollLeft = ret;

		else this.obj.scrollTop = ret;

	}



}