var position=0;

var elem ;
var left;

function getDocumentWidth()
{
	return (document.body.scrollWidth > document.body.offsetWidth)?document.body.scrollWidth:document.body.offsetWidth;
}

function ticker()
{
	elem = document.getElementById("run");
	left = parseInt(elem.style.left);
	
	if (left <= -width) {
		left = getDocumentWidth();
	
	}
    elem.style.left = (left - 4) + "px";
	elem.style.width = getDocumentWidth() - left + "px";
	
	setTimeout("ticker()",50);

}