var trSelected=null;
var smiSelected=null;
function mi_select(mi)
{
	if(mi!=trSelected)
	{
		if(trSelected!=null)
		{
			trSelected.style.backgroundImage="url(img/mi.gif)";
			if(smiSelected!=null)
			{
				smiSelected.style.visibility='hidden';
				smiSelected=null;
			}
		}
		if(mi!=null)
		{
			mi.style.backgroundImage="url(img/miSelected.gif)";
			smiSelected=MM_findObj('s'+mi.id);
			if(smiSelected!=null&&typeof(smiSelected)!='undefined')
				smiSelected.style.visibility='visible';
			else
				smiSelected=null;
		}
		trSelected=mi;
	}
	//event.cancelBubble = true;
	//event.returnValue = false;
	return false;
}

function MM_findObj(n, d)
{//find object by morfo
	var p,i,x;  
	if(!d) d=document;
	if((p=n.indexOf("?"))>0&&parent.frames.length)
	{
		d=parent.frames[n.substring(p+1)].document;
		n=n.substring(0,p);
	}
	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=MM_findObj(n,d.layers[i].document);
	if(!x && document.getElementById)
		x=document.getElementById(n);
	return x;
}