function roll(image, path)
{
    document.getElementById(image).src = path;
}
function changLeftIcon(imgObject,divtag){
	if(imgObject.src.indexOf('arrow.gif')!=-1) {
			imgObject.src='arrowdown.gif' ;
			document.getElementById(divtag).style.display="";
		}
	else	{
		imgObject.src='arrow.gif';
		document.getElementById(divtag).style.display="none";
	}
	
	return 1;
}