function hide_scroll() {
	var bname = navigator.appName;
	if (bname == "Microsoft Internet Explorer")
  	{
		MM_changeProp('navbar','','style.height','400px','DIV')
 	}
	else
	{
		MM_changeProp('news','','style.overflow','hidden','DIV')
		MM_changeProp('navbar','','style.height','400px','DIV')
  	}
	
}

function show_scroll() {
	var bname = navigator.appName;
	if (bname == "Microsoft Internet Explorer")
  	{
		MM_changeProp('navbar','','style.height','67px','DIV')
 	}
	else
	{
		MM_changeProp('news','','style.overflow','auto','DIV')
		MM_changeProp('navbar','','style.height','67px','DIV')
		
  	}
}