function setImage(doc, name, url) {
	var _o = null;
	_o = getObject(doc, name);
	if (_o) _o.src = url;
}

function getObject(d, n) {
	var p,i,x;
	if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
	}
	if(!d) {	// start at first doc in full tree...
		if(parent.frames.length) {
			d = top.frames[0].document;
		} else {
			d = top.document;
		}
	}
	if(!(x=d[n])&&d.all) {
		x=d.all[n];
	}
	for (i=0;!x&&i<d.forms.length;i++)
		x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++)
		x=getObject(d.layers[i].document, n);
	if(!x && d.getElementById)
		x=d.getElementById(n);

	return x;
}


function visi(nr)
{

if (document.layers)
	{
		vista = (document.layers[nr].visibility == 'hide') ? 'show' : 'hide'
		document.layers[nr].visibility = vista;
	}
	else if (document.all)
	{
		vista = (document.all[nr].style.visibility == 'hidden') ? 'visible'	: 'hidden';
		document.all[nr].style.visibility = vista;
	}
	else if (document.getElementById)
	{
		vista = (document.getElementById(nr).style.visibility == 'hidden') ? 'visible' : 'hidden';
		document.getElementById(nr).style.visibility = vista;

	}
}