function TextScroll(scrollname,div_name,div_ScrollText,div_scrollImg,up_name, down_name)
{
	this.div_ScrollText = div_ScrollText;
	this.div_scrollImg = div_scrollImg;
    this.div_name = div_name;
    this.name = scrollname;
    this.scrollCursor = 0;
    this.speed = 5;
    this.timeoutID = 0;
    this.div_obj = null;
    this.up_name = up_name;
    this.dn_name = down_name;

{
	div_ScrollText_obj=document.getElementById(this.div_ScrollText);	
	div_scrollImg_obj=document.getElementById(this.div_scrollImg);
	 div_obj = document.getElementById(this.div_name);
	  div_up_obj = document.getElementById(this.up_name);
            div_dn_obj = document.getElementById(this.dn_name);
		
		if(div_ScrollText_obj!=null)
		{
		if(div_ScrollText_obj.offsetHeight<330)
     {
      div_scrollImg_obj.style.display='none';
		 }
		}
        if (document.getElementById) {
            
            if (div_obj) {
                this.div_obj = div_obj;
                this.div_obj.style.overflow = 'hidden';
            }
           
            if (div_up_obj && div_dn_obj) {
              div_up_obj.onmouseover = function() { eval(scrollname + ".scrollUp();") };
div_up_obj.onmouseout = function() { eval(scrollname + ".stopScroll();") };

div_dn_obj.onmouseover = function() { eval(scrollname + ".scrollDown();") };
div_dn_obj.onmouseout = function() { eval(scrollname + ".stopScroll();") };
            }
        }
    }

this.stopScroll = function() {
        clearTimeout(this.timeoutID);
    }

this.scrollUp = function() {
        if (this.div_obj) {
            this.scrollCursor = (this.scrollCursor - this.speed) < 0 ? 0 : this.scrollCursor - this.speed;
            this.div_obj.scrollTop = this.scrollCursor;
            this.timeoutID = setTimeout(this.name + ".scrollUp()", 60);
        }
    }

this.scrollDown = function() {
if (this.div_obj) {
this.scrollCursor += this.speed;
this.div_obj.scrollTop = this.scrollCursor;
if (this.div_obj.scrollTop == this.scrollCursor) {
this.timeoutID = setTimeout(this.name + ".scrollDown()", 60);
} else {
this.scrollCursor = this.div_obj.scrollTop;
}
}
}
this.resetScroll = function() {
        if (this.div_obj) {
            this.div_obj.scrollTop = 0;
            this.scrollCursor = 0;
        }
			
    }
}
