function showhide2(o,img) {
	var fold_image = new Array();
	fold_image[0] = "/global/images/arrow_down.gif";
	fold_image[1] = "/global/images/arrow_up.gif";
	
	if(document.getElementById(o).style.display=='none') {
		document.getElementById(o).style.display='block';
		if(document.getElementById(img)) { document.getElementById(img).src=fold_image[0]; }
	} else {
		document.getElementById(o).style.display='none';
		if(document.getElementById(img)) { document.getElementById(img).src=fold_image[1]; }
	}
}