var timer = null;
var speed = 5;

function scrollSetup(id,parent,position,offset) {
        if (document.getElementById&&!document.all)
	  {page=document.getElementById(id).style;
	}else if (document.all)
	  {page=document.all(id).style;
	}else if (document.layers)
	  {page=document.layers[parent].document.layers[id];
	}
	page.left = -offset +'px';
	scrl_left=position;
      
}
function scrollLefT() {
        var y_pos=parseInt(page.left);
        if (y_pos<0) page.left=y_pos + speed +'px';
        timer=setTimeout("scrollLefT()",25);

}
function scrollRight() {
        var y_pos=parseInt(page.left);
        if (y_pos>-eval(scrl_left)){
          page.left=y_pos-speed + 'px';
        }else{
          stopScroll();
	}
	timer=setTimeout("scrollRight()",25);
        
}
function stopScroll() {
    clearTimeout(timer);
}