if ( typeof( scrollingX ) == 'undefined' ){

	var scrollingX = function( objnm, elenm ){

		if ( objnm == '' ) return;
		if ( elenm == '' ) return;
		this.obj = objnm;
		this.ele = eval( "window.frames." + elenm );

		this.time = 20; 
		this.drX = 1;
		this.scrollX = 0;
		this.is_move = 1;
		this.ele.scrollTo( 1, 0 );
	}

	scrollingX.prototype.stop = function(){ this.is_move = 0; }
	scrollingX.prototype.start = function(){ this.is_move = 1; }

	scrollingX.prototype.initScroll = function()
	{
		this.p_bound = this.ele.document.body.scrollWidth - this.ele.document.body.offsetWidth;
		this.p_moveRight = Math.floor( this.ele.document.body.scrollWidth / 2 );
		this.p_moveLeft = this.p_bound - this.p_moveRight;
		
		setInterval( this.obj + '.goScrolling()', this.time );
	}

	scrollingX.prototype.goMove = function( idx )
	{
		if ( idx == 0 ) this.drX = -Math.abs( this.drX );
		else this.drX = +Math.abs( this.drX );

		var pos = this.scrollX + idx;
		this.ele.scrollTo( pos, 0 );
	}

	scrollingX.prototype.goScrolling = function()
	{
		if ( !this.is_move ) return;
		this.scrollX = this.ele.document.body.scrollLeft + this.drX; // window.status = this.scrollX;
		if ( this.drX < 0 && this.scrollX < 1 )
		{
			this.scrollX = this.p_moveRight;
			}
		if ( this.drX > 0 && this.scrollX > this.p_bound ) this.scrollX = this.p_moveLeft;
		this.ele.scrollTo( this.scrollX, 0 );
	}
}