function getId(id) {
	return document.getElementById(id);
}

var width = 0;
var image_scroll_div = getId('image_scroll_div');

function scrollDiv() {

	var obj1 = getId("image_scroll_div_content1");
	
	if (obj1) {
		width = (obj1.offsetWidth) ? Number(obj1.offsetWidth) : Number(obj1.clientWidth);
		
		if (document.all) {
			scroll_interval = setInterval("image_scroll_ie(image_scroll_div)",30);
		} else {
			scroll_interval = setInterval("image_scroll()",30);
		}
	}
}

function image_scroll_ie(image_scroll_div) {
	if (getId("image_scroll_div").scrollLeft > 0) {
		getId("image_scroll_div").scrollLeft -= 1;
	} else {
		getId("image_scroll_div").scrollLeft = width;
	}
}

function image_scroll() {
	if (getId('image_scroll_div').scrollLeft > 0) {
		getId('image_scroll_div').scrollLeft = getId('image_scroll_div').scrollLeft-1;
	} else {
		getId('image_scroll_div').scrollLeft = width;
	}
}

function cleanInterval() {
	if (getId("image_scroll_div")) {
		clearInterval(scroll_interval);
	}
}